Document ev6rydZGVvwwqpx2KMMr5ME0e

SWL ' P.o. Box 224227 SOUTHWESTERN LABORATORIES 2575 Loo* Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Bida Barfield One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: March 17, 1994 March 14, 1994 9403127 Identification: 1015 Harrison, Arlington, TX SAMMm 01031094 02031094 03031094 04031094 LOCATION Men's Restroom, water heater Club Room Field blank Field blank mUME-fl* 1150 1151 FIBERS PER CC 0.007 0.010 2.0/100 fids. 1.0/100 fids. Analysis performed by Phase Contra* Microscopy in accordance with NIOSH Method 7400. SwL Dallas ii rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program, Laboratory I.D. No. 75212-001. Our totters and reports an tor 4m exclusive use of the client to whom dwy an addressed. The tetters and reports dull not be reproduced except in dill without the approval of the tearing laboratory. The urn of our mam must receive our prior written approval. SOUTHWESTERN LABORATORIES Mattriatt, environmental and geotechnical neinerring, nondestructive, metallurgical and analytical servictt 8878 loom Scar Drtva P O. Bax SB4SS7 OaHaa. Texas r Report of test on 1 75222 S14/ZS3-1 133 Date tested Remarks: HOUSTON OAU-A AUSTIN H*UMT CQKe OALVKSTOM COUNTY Mo ONANOS VmJLMY AUSXANOMA SAN ANTQr&O PONT WORTH uraSVKXE MOkJUMQ MQNP06 eWeVBPORT TCXAPKANA SHERMAN Gj4354 Srjmf - SOUTHWESTERN LABORATORIES & Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 - x' Identification: 1015 Harrison St., Arlington, Texas Report Date: Date Received: Report Number: September 10, 1992 September 2, 1992 9209034 'f1 'O'jOrx OA ^ii'' On September 2, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 1015 Harrison St. in Arlington, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE NO, 090292 SWB-01 LOCATION Field blank VOLUME (L) FIBERS PER CC 0.0/100 fids. 090292 SWB-02 Field blank 0.0/100 fids. 090292 SWB-03 1st office from west side of building Pump failure 090292 SWB-04 2nd office from west side of building 1111 <0.004 090292 SWB-05 Supply Room 1160 <0.004 090292 SWB-06 Break Room 1140 0.005 090292 SWB-07 Office next to Men's Room 1091 <0.004 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory l.D. No. 75212-001. Analyst: SOUTHWESTERN LABORATORIES, INC. Our ietten and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lon* Star Drive Dallas, Texas 75222 # 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 i Report Date: Date Received: Report Number: Aug. 3 , 1992 July 27, 1992 9207255 Identification: 1015 Harrison, Arlington, Texas -f~3 ^ On July 23, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 1015 Harrison in Arlington, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE .NO* LOCATION yOL.UMEJM .ETBERg.jFgR ,Q 072792 SWBA-01 072792 SWBA-02 072792 SWBA-03 072792 SWBA-04 Field Blank Field Blank Break Room Supply Shed 0.5/100 fids. 2.0/100 fids. 1112 <0.004 1103 0.007 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. i SOUTHWESTERN LABORATORIES, INC. Kyle/Burroughs Environmental and Analytical Services 0vj435G Our letter* and report* are for the exdutivc uae of the client whom they are addreued. The letter* and report* (hall not be reproduced except in full without the approval of the (eating toratory. The uae of our name muat receive our prior written approval. sw SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2573 Lon* Star Drfv* Dallas, Texas 73222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: March 29, 1993 March 16, 1993 9303201 Identification: 1015 Harrison, Arlington, TX \ SAMPLE NO. 01030993 02030993 03030993 04030993 05030993 06030993 07030993 LOCATION 2nd office from west end 1st office on west end Club Room, 3rd room from west end Mens Restroom, 4th room from west end, janitors closet/heater closet 5th office from west end Field blank Field blank VOLUME (LI 1089 1077 1077 1070 1080 FIBERS.PER CC 0.004 0.009 0.008 <0.005 <0.005 4.0/100 fids. 2.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: ,rycM,> /.'ya, Gj4357 Kyle Burroughs :kz Environmental and Analytical Services Our letters and reports are for the exclusive use of the client to whom they an addressed. The letters and reports shall not be reproduced except in foil without the approval ofthe testing laboratory. The use of our name must receivs our prior written approval. SWL ^P.O. Box 224227 SOUTHWESTERN LABORATORIES 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Elide Barfield One Beil Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: Febuary 3, 1994 Febuary 1, 1994 9402014 Identification: 312 W. Abrams, Bette, TX SAMPLE NO. Q1012894A 02012894A 03012894A 04012894A 05012894A 06012894A 07012894A 08012894A 09012894A location First Floor, Fan Room Second Floor, Fan Room, middle of floor Second Floor, Fan Room #2 east end Second Floor, Switch Room Basement, Mechanical Room Basement, Boiler Room Basement,AHU, next to boiler room Field blank Field blank VOLUME (L) 1090 1090 FIBERS PER CC <0.004 <0.004 1094 <0.004 1085 <0.005 1042 <0.005 758 <0.006 Pump Failed 1.0/100 fids. 1.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: CT G vj 4358 KyieJ :kz Envirdnn Analytical Services Ctor tetters and reports are for the exclusive use of the diene whom they are addressed. Hie letters and reports shall not be reproduced except in foil without the approval of the testing laboratory. The use of our name must receive our prior written approval. (J SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2575 Lone Scar Oriva P. O. Box 224227 Dallas. Taxes 75222 214/263-1 133 ( Report of test on: Date tested: 1 Ufn*f Project: ^ t <L. Lab Number: Technician: CIH/IH: ' Type of Activity: ^ amarks: Analyst: Manager: Decontamination Background____ Abatement Chain of Custody: p ( * o r. q tj vj ;OvV HOUSTON rial t AUSTIN BEAUMONT CONROE GALVESTON COUNTV WO GRANOE VALLEY ALEXANDRA SAN ANTONIO FORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN ((J^Z SOUTHWESTERN LABORATORIES IT Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2373 Lone Sear Drive R O. Box S3&S37 Dallas, Taxas 75222 21 <4/2B3-1133 ( Report of test on: Leafed,. = 'Ittlvf' Date tested Project: _3j^, 12. Alx-g/twc: Lab Number: Sample Number / ID Location *Sl jpjS '&4e*cL-AULL.r]o(i$cii'h Ree*m Pump Number Time Flow and Det. Volume Limit Fibers Fibers per per Field cc Off nn 6f fX<*4f- Itfa-rW7<? f L/Min sT Eiapsea !Ltu L Off On L/Min Elapsed L /tLH fa Ilf______________ Off On L/Min %LAf)K Elapsed Off L On L/Min Elapsed L Off On L/Mi n Elapsed L Technician: ___________ Analyst: Chain of Custody: CIH/IH: ____________ _________ Manager: Type of Activity: ____ Decontamination____ Background L .emarks: Abatement rs h 43J3 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY RtO GRANOE VALLEY ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SWL P.O. Box 224227 SOUTHWESTERN LABORATORIES 2575 Lon# Star Driv# Dallas, Taxas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Beil Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: June 7, 1993 May 24, 1993 9305235 Identification: 312 W. Abrams, Arlington, TX SAMEmm 01052093 02052093 03052093 04052093 05052093 06052093 07052093 08052093 09052093 LQCAHQH 1st floor. Fan Room Basement, Machine Equipment Room Basement, Boiler Room Basement, AHU, next to Boiler Room 2nd floor. Fan Room #2, in middle of floor 2nd floor. Fan Room #1, on east end of floor 2nd floor, Switching Area Field Blank Field Blank VOLUME (L) 1080 1084 1084 1075 1072 HBEBSIERC <0.004 <0.004 <0.004 <0.004 <0.004 1075 <0.004 1075 <0.004 2.0/100 fids. 1.0/100 fids. Analyiia performed by Phaae Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst no :kz =7" Gj4361 d Analytical Services Our letter* and raperte at* for the exchuiveuae of the client to whom they are addretMui. Hie letter* and raporta *all not be (produced except in ftifl without the approval of the taeting laboratory. The uae of our astna naut receive our prior written approval. P9 1 cP 2. SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services S57S Lon* Star Driv* R . Box S.SA337 0*11**. Txas 75222 E1R/2B3-1 133 Report of test on: - A S' k e. fTOr Date tested: O T-go.g 7 Project: *313 6). f AKKa) 7b ^.7^ Lab Number: CIH/IH: Type of Activity: Remarks: Manager: Decontamination____ Background Abatement Gj4362 HOUSTON DALLAS AUSTIN BEAUMONT CONROE QALVE8TON COUNTV RQ ORANOE VALLEY ALEXANOA SAN ANTONIO PORT WORTH LESSVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN Ps.jl if J SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2573 Lorn Scar Ortva P, O. Box 324227 Dallas. Taxas 75222 214/263-1133 Report of test on: - Date tested: cs"-2 ft 23" Project: *3/2 Lab Number: Sample Number /ID Location Pump Number Time Flow and Det. Volume Limit w 4 til f sz*n - fA a^ Off L'fTf 1 J a$t irs/n On 1: r?* L/Min iMei of Elapsed/ VJfr.2 L 2 AJd - St*mH!* 9 bffi.-Ri# AK*a Ill'll On iR'.Riei\ |L/Min Elapsed l^r.t X<* i Off F'.tlJ StqMk On L/Min Elapsed z L Off Fl e!J ttANh On L/Min Elapsed L Off On L/Min Elapsed L Fibers Fibers per per Field cc Technician: _Analyst: _____________________________ ______________ _____ CIH/IH: Manager: ________________ Type of Activity: ____Decontamination____ Background^___ Abatement Remarks: Chain of Custody: Cut43fL3 HOUSTON DALLAS AUSTIN BEAUMONT GONRQ* OALVSSTON COUNTY RIO QRANO* VALLSV ALEXANDRIA SAN ANTONIO PORT WORTH LEBSVILLE MIDLAND MONRO* SHRBV1PORT TEXARKANA SHERMAN Swl SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Bo* 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Air Monitoring Report to: Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Identification: 312 W. Abrams, Arlington, Texas Report Date: Date Received: Report Number: September 10, 1992 September 2, 1992 9209033 TZ On September 2, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 312 W. Abrams in Arlington, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE NO, LOCATION VOLUME (L) FIBERS PER CC 090292 SWB-01 Field blank 1.5/100 fids. 090292 SWB-02 Field blank 0.0/100 fids. 090292 SWB-03 Basement, Air Handler/Chiller Room 1230 <0.004 090292 SWB-04 Basement, Boiler Room 1339 0.005 090292 SWB-05 Basement, Room B-5 1339 <0.004 090292 SWB-06 lot floor, Fan.Room 1368 <0.003 090292 SWB-07 1st floor. Break Room 1279 <0.004 090292 SWB-08 1st floor, next to frame Cubicle Sections .240 <0.004 090292 SWB-09 2od floor, Fan Room on west end of floor 1289 <0.004 090292 SWB-10 Sogfg, Fan {loom on east end of floor 1220 <0.004 090292 SWB-11 AiUHyMIoiiQii', I- Carrier work area 1210 <0.004 Analyst! performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst Gj4364 :kz Analytical Services Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name muat receive our prior written approval. SwL SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Sox 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 117 San Antonio, Texas 78216 Report Date: Date Received: Report Number: February 17, 1992 February 5, 1992 9202034 Identification: 312 W. Abrams, Arlington, Texas T3d0? 3 On February 5, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 312 W. Abrams in Arlington, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO, LOCATION VOLUMEfLj FIBERS PER CC 020592 SWB-01 020592 SWB-02 020592 SWB-03 020592 SWB-04 020592 SWB-05 020592 SWB-06 020592 SWB-07 Field blank Field blank Basement. Boiler room 2nd floor. Fan room, west 2nd floor, Switching area, center 1st floor. Fan room, near restrooms 1st floor, northeast end, near airshaft 1080 1209 1163 750 1063 1.0/100 fids. 0.0/100 fids. <0.004 <0.004 <0.004 <0.006 <0.005 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Tea (PAT) Program, Laboratory I.D. No. 7J212-001. SOUTHWESTERN LABORATORIES, INC. Anal <&6kz Bob Garrett, Manager Environmental and Analytical Services 0vj436^ Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. Sw SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lon* Star Drlva Balias, Taxas 75222 a 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: March 29,1993 March 12,1993 9303178 Identification: 400 W. South, Arlington, TX 7 SAMPLE NO. 01031293 02031293 03031293 04031293 05031293 06031293 07031293 LOCATION Mechanical Room Emg. Eng. Boiler 3rd floor. Air Handler 1st floor. Pipe Shaft Basement corridor by B IS 3rd floor, elevator lobby Field blank Field blank VOLUME (LI 1296 1307 1312 1222 1258 1276 1276 FIBERS PER CC 0.008 <0.004 <0.004 0.019 0.023 0.010 0.010 2.5/100 fids. 1.0/100 fids. Analyiii performed by Pheae Contrail Microteopy in accordsrsci with NIOSH Method 7400. SwL Dellas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory l.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Ana!yst:_ j4368 Kyle Burroughs f Environmental and Analytical Services Our letters and report* are for the exclusive use of the client to whoa they are addressed. The keen and reports dan act. be reproduced except in fid! without the approval of the farting laboratory. The nee of otar autos must receive our prior written approval. StoL SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Identification: 400 W. South, Arlington, Texas Report Date: Date Received: Report Number: September 10, 1992 September 1, 1992 9209012 T3O0 On September 1, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 400 W. South in Arlington, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME iL) FIBERS PER CC 090192 SWB-01 Field blank 1.5/100 fids. 090192 SWB-02 Field blank 0.0/100 fids. 090192 SWB-03 Basement, Machine Room, center of room 1249 <0.004 090192 SWB-04 Basement, Fan Room, south wall 1230 <0.004 090192 SWB-05 Basement, Room B-17, center of room 1210 <0.004 090192 SWB-06 1st floor. Room 126, Mechanical Room 1240 <0.004 090192 SWB-07 1st floor. Operator Service Room, center of room 1190 <0.004 090192 SWB-08 2nd floor, Fan Room, east wall 1210 <0.004 090192 SWB-09 2nd floor. Break Room 1160 <0.004 090192 SWB-10 3rd floor. Room 307, Fan Room 1190 <0.004 090192 SWB-11 3rd floor, Room 328, Operator Services Room 1150 <0.004 Analysis performed by Phase Contrast Micron:opy in accordance with NIOSH Method 7400, SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PATl Program, Laboratory l.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC Analyst: 0j4367 Kyi :kz Envi and Analytical Services Our letters and reports are for the exclusive uae of the client to whom they are addressed. /The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. ( V "Seal SOUTHWESTERN LABORATORIES /o Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.O. Box 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: May 8, 1992 April29, 1992 9204317 -fs ooi? ? Identification: () 400 W. South St., Arlington, TX ' ttui^ * On April 29, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 400 W. South St. in Arlington, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: gAMPLENO. V LQCAPQM 042992 SWBA-01 Field blank VOLUME (L) FIBERS PER CC 0.0/100 fids. 042992 SWBA-02 Field blank 2.0/100 fids. 042992 SWBA-03 1st floor, TV Room 1998 0.004 042992 SWBA-04 1st floor. Tops Room 1944 <0.002 042992 SWBA-05 2nd floor. Vending Area 1846 <0.003 042992 SWBA-06 2nd floor, old Office Area 1803 0.004 042992 SWBA-07 3rd floor, District Manager Office 1825 <0.003 042992 SWBA-08 2nd floor. Mechanical Room 1836 <0.004 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory l.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC Analyst: Qj4368 Bob Garrett, Manager :kz Environmental and Analytical Services Our letters and reports are for the exclusive use of the client to whom they are addresaed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. SWL P.O. Sox 224227 SOUTHWESTERN LABORATORIES 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Elida Barfield One Bell Plaza, Boom 910 Dallas, IX 75202 Report Date: Date Received: Report Number: Febuary 3, 1994 Febuary 1, 1994 9402015 Identification: 400 W. South St., Mm, TX sample nq, LOCATION VOLUME (L) FIBERS PER C 01012894 02012894 03012894 04012894 05012894 06012894 07012894 08012894 Basement, Mechanical Room Basement, Corridor BIS Basement, Boiler Basement, Emergency Engine Basement, Air Handler Room B4 Basement, Lounge Field blank Field blank 1082 0.006 901 0.007 657 <0.007 1090 <0.004 Pump Failed 1092 <0.004 2.5/100 fids. 1.5/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. _ _ 0j4369 Analytical Services Our letters and reports ate for the exclusive use of die client to whom they are addressed. The letters and reports *n not be reproduced except in hill without the approval of the testing laboratory. The use of our name must receive our prior written approval. CJ SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services S57S Lana Scar Drive R O. Box 224227 Dellas. Texas 75222 214/283-1133 Report of test on A<L</ J^irfTJnUDfjEIBLIfIsIUT n!sfMlJL Date tested: Project: %3q U.^S^hcru Lab Number: Sample Number / ID Location Pump Number Time Flow and Det. Volume Limit Fibers I Fibers per per Field cc .- Off fcRa.4 tWo fed L/Min QLcpm- 1cHoc" f S' Off IA33& MIL L L/Mi n ^S3 l VJ 0 So /Sai dr Qn 7)U^ . iwi OrHS On L/Min f--* T.5S-Elapsed i.st 53.13 Wk L Off tanc Y l5- 7 IhftZlo tS5t~ __ ___________,, Elapsed L/Min 4s4 aVou L Off toWY*. IB *f On Misn Elapsed L/Min L n pt< u! / Technician: CIH/IH: Analyst: Manager: Chain of Custody: Type of Activity: ____ Decontamination Background____ Abatement amarks: Oj `i'-f 70 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY WO GRANDE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2373 Lock* Scar Drive R O. Box 224227 Dallas. Texas 75222 214/283-1 133 ( Report of test on: Mcn Date tested: Project: Ld . <5oturn- &T Lab Number: Sample Number / ID Location 6U ~jf--_,ajrV-s-" 1 t X 77T ~" Pump Number Time Flow and Det. Volume Limit lOff 11 hi Elapsed a.t>M Off 1013- L/Hin iss On L/Min Elapsed Off L On L/Min Elapsed Off L On L/Min Elapsed Fibers Fibers per per Field cc Off On Elapsed L/Min Technician: Analyst: Chain of Custody: CIH/IH: Manager: ' Type of Activity: Decontami nati on____ Background____ Abatement emarks: 0vlS71- HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY WO GRANGE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH LEESV1LLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN S*L SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Identification: 808 110th St., Arlington, TX Report Date: Date Received: Report Number: June 1, 1992 May 28, 1992 9205244 f 3 Of^ On May 28, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Sell facility located at 808 110th St. in Arlington, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO. 052892 SWBA-01 location Field blank Y0LUWEJL1 FIBERS PER CC 1.0/100 fids. 052892 SWBA-02 Field blank 2.0/100 fids. 052892 SWBA-03 Hallway outside Public Services 1039 0.005 052892 SWBA-04 Breakrootn 1039 0.005 052892 SWBA-05 Supply Room 1039 <0.001 052892 SWBA-06 Front entrance hallway 1039 <0.005 052892 SWBA-07 Back storage next to Marketing Offices 1039 <0.005 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400, SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. f%v<' Bob Garrett, Manager Environmental and Analytical Services Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reproduced except in (till without the approval of the testing laboratory. The use of our name must receive our prior written approval. S<vL V -*> SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Identification: 808 110th St., Arlington, Texas Report Date: Date Received: Report Number: September 10, 1992 September 1, 1992 9209013 'f3o/c/3 On September 1, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 808 110th St. in Arlington, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE,m LOCATION VOLUME (L) FIBERS PER CC 090192 SWB-01 Field blank 0.5/100 fids. 090192 SWB-02 Field blank 0.0/100 fids. 090192 SWB-03 1st floor, Office, Repairmen's next to dock 1081 <0.004 090192 SWB-04 1st floor. Loading area 1071 <0.004 090192 SWB-05 1st floor. Break Room 1071 <0.004 090192 SWB-G6 1st floor. Clerical Office area 1091 <0.004 090192 SWB-07 1st floor, Conference Room 1071 <0.004 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program. Laboratory I.O. No. 752I2-OOI. SOUTHWESTERN LABORATORIES, INC. Analyst: Kyl6 Burrougl :kz Eiwironmei d Analytical Services 0o4373 Our letter* and report* ate for the exclusive uie of the client to whom they are addressed. The letter* and report* ihall not be reproduced except in ftill without the approval of the testing laboratory. The uae of our name must receive our prior written approval. S^L SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: June 1, 1992 May 28, 1992 9205244 <3 0 ^ Identification: 808 110th St., Arlington, TX On May 28, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 808 110th St. in Arlington, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLENQ. LOCATION VOLUME (L) FIBERS PER CC 052892 SWBA-01 Field blank 1.0/100 fids. 052892 SWBA-02 Field blank 2.0/100 fids. 052892 SWBA-03 Hallway outside Public Services 1039 0.005 052892 SWBA-04 Breakroom 1039 0.005 052892 SWBA-05 Supply Room 1039 <0.001 052892 SWBA-06 Front entrance hallway 1039 <0.005 052892 SWBA-07 Back storage next to Marketing Offices 1039 <0.005 Analysis performed by Phsse Contrast Microicopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory l.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Bob Garrett, Manager Environmental and Analytical Services 0o4374 Our letters and reports art for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. SWL ' P.O. Box 224227 SOUTHWESTERN LABORATORIES 257S Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Beil Telephone Attention: Elida Barfield One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: March 17, 1994 March 14, 1994 9403126 Identification: 1240 Park Place, Hurst, TX SAMPLE NO. 01031194 02031194 03031194 04031194 05031194 LOCATION Equipment Room, storm sewer pipe Equipment Room, cold water pipe Janitor's Closet Field blank Field blank mJLIME.CLl 1068 1142 1140 FIBERS PER CC <0.004 <0.004 0.009 0.5/100 fids. 1.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NlOSH Method 7400, SwL Dallas i3 rated proficient by the NlOSH Proficiency Analytical Test (PAT) Program, Laboratory l.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. 0ij4375 and Analytical Services Our letters tod reports ire for the exclusive use of the client to whom they ire addressed. The letter* and reports shall not be reproduced except in hill without the approval of the testing laboratory. The use of our fume must receive our prior written approval. tw /J~ 7-n/.// SOUTHWESTERN LABORATORIES Materials, environmental and geotec-nical engineering, nondestructive, metallurgical and analytical services 2575 Lone SCa- Drive P C Box 22*1227 Dallas. Texa= 752?'' 214.2S3-1 : 33 Reoort of test on: h.5 Le^rfa ted: 3!>< (liDate tes Project: I PcudL PItLOL, Lab Number: Sample Number / ID Location Pump Number Time Flow and Det. Volume Limit <0$ itfLj. Lu*i 5^for-^ $<* --* Pi ^7 Off ltil.75 MU, I15? W L/Min Elapsed H.in I <^5oM L Off &o[Jl tod** 6 3-OS 111 if6.30,311^ mto &3lo^ feo*. L/Min Elapsed 4.311 <3.7 oh L Off II`fa. 3L / $'**' L/Min *f. 5aT.I&l.. Elapsed J-7 0 H. L Off O l+0b(( tfLf, On L/Mi n Elapsed Fibers Fibers per per Field cc 05*03(1 71/ tP?-------17 Off On L/Min Elapsed Technician: CLj/SLo^ CIH/IH: Analyst: Manager: Type of Activity: ____ Decontamination Background emarks: Abatement Chain of Custody: 0v4376 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV RIO GRANDE VALLEY ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN S&L SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.Q. Box 224227 2575 Lon* Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: February 3, 1993 February 1, 1993 9302003 Identification: 1240 Park Place, Hurst, TX SAMPLE NO. LOCATION 01012993 Equipment Room ' 02012993 03012993 iA -" Rear Lobby * I/R District Office 04012993 Front Lobby 05012993 Lounge 06012993 Number Services 07012993 ''-v D.A. Conf Area - 08012993 Phone Area Field Blank VOLUME fL) 1154 1150 1087 1051 1080 1123 1101 1088 FIBERS PER CC <0.004 <0.004 <0.005 <0.005 <0.005 <0.004 <0.004 <0.005 6.0/100 fids. xs\ \ Amlvsis performed by Phue Contrast Microscopy in accordance with NJOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWES LABORATORIES, INC Analyst: :sja alytical Services Our letters and reports are for the exclusive use of the client to whom they are The letters and reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. -f t>oz-i5 SW SOUTHWESTERN LABORATORIES nferrtwjnefeiylweerlrtfL nondmmtnjct***. wtafttyil*nd 2ft7S Lese Orte. P O 22*22*. Oatee. Taxa* 75222 wwsw Page of ANALYSIS REQUEST AND CHAIN OF CUSTODY RECORD Project No. Field Sample No./ Identification Date and Time /Client / Project , /* YO __ M/R^T No. of Sample Grab Comp Sample Type (Liquid, Preservative Containers Sludge, etc.) //^s /f3 6/Of *191.________ K -- __Z_____ //< ---------- 0*0** 1 <03 Analysis Requested 7-k^i Laboratory Remarks a 6 90/^993 AS~0f A993 _| SLZV''V 0 20/9 3 Jat6 i 2-993________ f 2 / ^--) Samplers: ^-Signature) t 1 f---------- -------------- Affiliation Remarks: 2^ R8linqui$fee$j by: (Signatu Relinquished by: (Signature) Relinquished by: (Signature) A / s Date: cfcV**^/t Time: Date: Time: ' Date: Time: r~ Received by: (Signature) Received by: (Signature) kReceived bftshim (SignatureJv^fU Data Result^o: t. 2. Date: ---------- 7_j----------- Time: ^ Date: Time: Date -.oL'Ot-^fS 'ln.ac^$> Time: ^ -COAA Laboratory No. Project No. Field Sample No./ Identification $/ SOUTHWESTERN LABORATORIES 3S>1% Ster Brte#, P O 6m 22*Z27,, Gaiea. Taaee ?S222 Page of O1 ANALYSIS REQUEST AND CHAIN OF CUSTODY RECORD Citemt / Project , __ S^L// //3va . ddsesJr-' Date and Time s/w/ej n/ No. of Grab Comp Sample Containers X1 l __i______ Sample Type (Liquid. Sludge, etc.) /$7&- B./K Preservative Analysis Requested 7&/*n Laboratory Remarks n Ll or ~13 6 C fp 0 Samplers: ('Signature) Affiliation Remarks: f\ Ralinqui^^^Jjf:^ j J Date: c^///^3 (Signaturejf^^'C^-^C^pidiMS^ Time: ^tr, Relinquished b^: f Date: (Signature) Time: Relinquished by: Date: (Signature) Time: f - -Vf Received by: Date: COO Sbai'Nd.', (Signature) Received by: (Signature) Time: Date: Time: Received/6y ftrik tQcA Date j2. / <13 Intact: (Signatur^s^V Time: ^06 fif/ Data Resultsfir c Laboratory No. , i? 1. 2. SwL SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lon* Star Oriva Dallas, Taxi* 75222 214/631*2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: March 30, 1993 March 19, 1993 9303257 Identification: 6724 Telephone, Lake Worth, TX SAMPLE NO. 01031793 l-031793 03031793 04031793 05031793 06031793 07031793 LOCATION 1st floor. Switch Room Basement, Emergency Engine Room Basement, Riser beside Chiller #2, AC Equipment Room Basement, Club Room Basement, Riser beside Chiller #2, AC Equipment Room Field Blank Field Blank VOLUME (L) 1084 1121 1081 FIBERS PER CC <0.005 <0.004 <0.005 1084 1082 <0.005 <0.005 0.0/100 fids. 1.5/100 fids. Ajulyiii performed by Phaae Contraat Microscopy in accordance with NIOSH Method 7400. SwL Delia* is rated proficient by the NIOSH Proficiency Analytical Te* (PAT) Program, Laboratory l.D. No. 75212-001. Analyst: SOUTHWESTERN LABORATORIES, INC. & :kz Enyirpnm^ntM and Analytical Services Our latter* and report! are for the axcluaivs us* of the diem to whom they are addressed. Tha letter* and report* dull not be reproduced except in ftiU without the approval of the testing laboratory. The uae of our name rau* receive our prior written approval. Gj4380 SioL SOUTHWESTERN LABORATORIES VV Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lone Star Drive e Dai la*. Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Identification: @724 Telephone Rd., Lake Worth, Texas Report Date: Date Received: Report Number: Aug. 3,1992 July 29, 1992 9207284 t "So ~'i> On July 23, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Beil facility located at 6724 Telephone Rd. in Lake Worth, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO. LOCATION 072992 SWBLW-01 1st Floor Bretkroom 072992 SWBLW-02 Basement Fan Room 1048 1057 <0.005 <0.005 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Oarlcttw and rapotts an for thsaxduwvauaaofth* client to whom they am addnsned. The letters and reports shall not be raproAseed except in Mwitferax the approval oftbs tesing laboratory. The use of our nuns oust recefv* our price written approval. I SOUTHWESTERN LABORA TORI Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Eiida Barfield One Beil Plaza, Room 910 Dallas, TX 75202 Dallas, Texas 75222 214/63 Report Date: Date Received: Report Number: April 2 April 2 94041 Identification: 6724 Telephone, Lake Worth, TX SAMELEm 01042094 02042094 03042094 04042094 05042094 LOCATION 1st Floor, Switchroom Basement, Club Room Basement, Emergency Engine Room Basement, Equipment Room Field blank VOLUME (L> 1165 1083 1073 1093 atlOaiLMI! <0.004 0.005 <0.004 <0.004 1.0/100 fids. Analysis performed by Phase Contrast Microscopy tn accordance with NIOSH Method 7400 SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORA Analyst: :kz Our letten and report* arc for the excluiive use of the client to whom they are addressed. The letter* and reports shall reproduced except in full without the approval of the testing laboratory. The use of our name mutt receive our prior <J SOUTHWESTERN LABORATORIES Materials* environmental and geotechnical engineering, nondestructive, metallurgical and analytical services Lon Scar Drive R O. Box 22^227 Delias. Texas 75222 # 21^/2B3-1 133 ( Report of test on: A* frfpg Date tested: *7 CIH/IH: Manager: Type of Activity: i amarks: Decontamination Background Abatement a ba4oaJ HOUSTON Q*i < * AUSTIN BEAUMONT CONROE GALVESTON COUNTV RIO GRANGE VALLEY ALEXANDRIA SAN ANTONIO PORT WORTH LEESV1LLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2373 Lon Star Oriva R O. Box 224227 Della, Taxaa 75222 214/233-1 133 Report of test on: - f jf 0 fA " Date tested: 9? CIH/IH: Type of Activity: Remarks: Manager: Decontamination Background____ Abatement 0^4384 HOUSTON run i <na AUSTIN BEAUMONT CONROE GALVESTON COUNTY RO GRAND* VALLEY ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILLS MIQLANO MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2575 Lena Sear Drive R O. Box 224227 Dallas. Texas 75222 214/263-1133 Ai Report of test on: - f) 5k e r-rftS Oate tested: of- Project: 3 ol h), /h ' lf<& T Lab Number: ____________ CIH/IH: __________Manager: Type of Activity: Decontamination____ Background____ Abatement Remarks: ----- -- ---- ---------------------- -- ______-- ------ Cu4385 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY RIO ORANGE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SWL P.o. Bex 224227 SOUTHWESTERN LABORATORIES 2575 Lone Star Orfva Dallas, Texas 7S222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: August 23, 1993 August 11, 1993 9308092 Identification: 203 W. Miller Street, Atlanta, TX SAMPLE NO. 01080593 02080593 03080593 04080593 05080593 06080593 LOCATION First floor. Fan Room Basement, Mechanical Equipment Room Basement, Boiler Room First floor. Telephone Frame Area Field blank Field blank mUMEJLl 1080 Bi.EESJm <0.005 1087 <0.005 1077 <0.005 1077 <0.005 0.0/100 fids. 0.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC Analyst: :kz Our letters and reports ate for the exclusive use of the client to whoa they ere addreaaed. The letters end reports shall not be reproduced except is full without the approval of the taming laboratory. The us* of out aama must teeaive our prior written approval. 0vj4388 SwL SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Loo* Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: July 27, 1992 July 24, 1992 9207225 7^0*7 Identification: 203 W. Miller, Atlanta, TX On July 22, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 203 W. Miller in Atlanta, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VjJLUME.CLj FIBERS PER CC 072292 SWBA-01 072292 SWBA-02 1st floor, hallway, outside breakroom Basement, Mechanical/Fan Room 1103 <0.0041375 <0.004 Analyst! performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 752124X11. A SOUTHWESTERN LABORATORIES, INC. , Manager :kz nmental and Analytical Services Our letter* and report* are for the exclusive use of the client to whom they are addressed. The letter* and report* dull not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. Go4v87 S*l SOUTHWESTERN LABORATORIES \ > y Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: July 28, 1992 July 24, 1992 9207224 Identification: Memphis & Mamon, Longview, TX On July 22, 1992 a representative from Southwestern Laboratories Inc., {SwL) was at the Southwestern Bell facility located at Memphis & Mamon in Longview, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO, LOCATION VOLUME flL) FIBERS PER CC 072292 SWBL-01 Field blank 3.0/100 fids. 072292 SWBL-02 Field blank 5.0/100 fids. 072292 SWBL-03 Prevalent, Breakroom 1103 0.006 072292 SWBL-04 Prevalent, Clerical Offices 1375 0.004 Analysis performed by Ruse Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Our letters and reports arc for the exclusive use of the client to whom they are addressed. The letters and reporta shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. 0j4388 S*l SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Sox 224227 2575 Loot Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: March 29, 1993 March 16, 1993 9303203 Identification: Mamon & Memphis Street, Longview, TX SAMPLER 01031593 02031593 03031593 LOCATION Conference Room Field blank Field blank VOLUME fL) 1297 FIBERS PER CC 0.013 1.5/100 fids. 2.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Tea (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst:. J/%24aju :kz Kyie Burroughs ' Environmental and Analytical Services Our letters and reports are for the exclusive use of the client to whoa they an addressed. The letter* and report* dull not be reproduced except in fid! without the approval of the testing laboratory. The use of our atom tnuat receive our prior written approval. 0 vj 4389 Swi SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lon* Star Oriva Dallas, Taxaa 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: March 29, 1993 March 16, 1993 9303204 Identification: 214 E. Whaley, Longview, TX SAMPLE NO, 01031593 02031593 03031593 04031593 05031593 06031593 07031593 08031593 09031593 LOCATION VOLUME (LI 1st floor, hot water heater pipes 1426 Basement, Equipment Room A/C #0403 1374 Basement, Equipment Room A/C #0404 and Chiller #0101 1167 Basement, Equipment Room Chiller #0102 1351 Basement, Boiler Room 1320 Basement, Emer. Engine Room 1281 2nd floor, Mechanical #2 1253 Field blank Field blank FIBERS PER CC <0.003 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 2.0/100 fids. 3.5/100 fids. Analysis performed by Phase Contrast Microscopy in accordsnee with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program. Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst #4 Kyle Burroughs f :kz Environmental and Analytical Services Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in Aril without the approval of the testing laboratory. The use of our name must receive our prior written approval. Cu4390 SwL SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Sox 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: July 28, 1992 July 24, 1992 9207221 Identification: 210 N. Rockwall, Terrel, TX On July 21, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 210 N. Rockwall in Terrel, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO. 072192 SWBT-01 LOCATION Field blank VQLlIMEJLi EffiESSJEEBXC L0/100 fids. 072192 SWBT-02 Field blank 4.5/100 fids. 072192 SWBT-03 Prevalent, 2nd floor, T.S.P.S. Room 1121 <0.004 072192 SWBT-04 Prevalent, 1st floor. Club Room 1103 <0.004 072192 SWBT-05 Prevalent, Basement, Boiler Room 1410 <0.003 Anaiyiti performed by Phaie Contrast Microcopy in accordance with NIOSH Method 7400, SwL Diliti n rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program, Laboratory l.D. No. 752124X31. SOUTHWESTERN LABORATORIES, INC. :kz ental and Analytical Services Our letters and reports are for the excluaive uae of the client to whom they are addreused. The leiten and reporta ahall not be reproduced except in lull without the approval of the leafing laboratory. The uae of our name muat receive our prior written approval. S&L SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lon* Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: March 29, 1993 March 16, 1993 9303198 Identification: 210 N. Rockwall, Terrell, TX - SAMPLE NO. 05031293 04031293 01031293 02031293 03031293 06031293 07031293 08031293 LOCATION VOLUME fL> Basement, Boiler Mechanical Room beside chiller 1143 Basement, Boiler Mechanical Room hot water heater 1099 Basement, Janitor Room 1077 Basement, hallway 1094 2nd floor. Fan Room 1026 1st floor, Lounge 1019 Field blank Field blank FIBERS PER CC <0.004 <0.004 <0.005 <0.004 <0.005 <0.005 3.5/100 fids. 1.5/100 fids. Analyjia performed by Phaae Contnat Microscopy in accordance with NIOSH Method 7400. SwL Dallas ia rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. .JbuSc)* Analyst: iMl/kC) :kz Environmental and Analytical Services Our tetter* and reporta are for the txcluaive uae of the client to whom they are addreaaed. The lettera and reporta Shall not be reproduced except in full without the approval of the testing laboratory. The uae of our name must receive our prior written approval. Go4392 Su> SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 214227 2S7S Lone Star Drive Dallas, Texas 7S222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: March 29, 1993 March 16, 1993 9303202 Identification: 134 Mt. Pleasant, Pittsburg, TX &AMELE N_Q.t 01031593 02031593 03031593 04031593 LOCATION AC Equipment Room #1 AC Equipment Room #2 Field blank Field blank yshWBJUi 1082 1075 FIBERS PER C <0.005 <0.005 1.0/100 fids. 4.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400, SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC, Analyst:. fd?- Kiyyiiee Burroughs / :kz Environmental and Analytical Services Our letters and reports are for the exclusive use of the client to whoa they an addressed. The letter* and report* shall not he reproduced except in fill! without the approval of the testing laboratory. The use of our tame must receive our prior written approval. 93r SO U J 4:0 SWL SOUTHWESTERN LABORATORIES P.O. Box 224227 2575 Lon* Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: 74/ June 7, 1993 May 14, 1993 9305136 Identification: 811 W. Elm, Tyler, TX SAMELBm 01051293 02051293 03051293 04051293 05051293 06051293 07051293 08051293 09051293 LQCAUQH Power Room Batteries Power Room Meters Cable Vault Mechanical Room Boiler Room Basement, Lobby 1st floor. Air Handler 2nd floor, Air Handler 3rd floor, Air Handler Field blank Field blank VOLUME,(LI 750 1035 983 1076 1075 1059 1116 1081 724 FIBERS PERJIC <0,006 <0.005 <0.005 <0.004 <0.004 <Q.JG5 <0.004 0.004 <0.007 5.0/100 fids. 2.5/100 fids. Anaiyiia performed by Phase Cootrmat Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: :kz Our team and report* ara for tbs exduove uaa ofthe diets to whom they an addressed. The tarn and report* dull not be re^nottead except is dill without die approval of the testing laboratory. Tha uaa of our turn* ana receive our prior written approval. Go4394 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 257S Lana Scar Oriva R O. Box 224227 Dallas. Taxas 75222 si4/283-1133 Report of test on: - \ Date tested: Froject: (Pl\ Altov. Lab Number: ___________ Sample Number / ID Location \rjxmW.a- fIiWj Pump Number Time Flow and Det. Volume Limit Off Z*5J Fibers Fibers per per Field cc 0^ fortWith tAetXud^ & On ISL'W L/Min E1,aK* * Iw0 L 0ff HQ 4.S2 On L2.'l3 L/Min Elapsed b*5 L o& l JUrjj yg*uf-- |5fl OffJSf Onff.2* Elapsed Mt l/Min Mi i M&. ^om 0ff?,27 miff Onll'-O Elapsed 24 3 4.43 L/Min hsirt^-- iiXft Off^ On/t thSo L/Min Elapsed toft 25? L Technician: __________ Analyst: ___________________ CIH/IH: ____Manager: _________________________ _____ Type of Activity: Decontamination Background Abatement Remarks: Chain of Custody: Gj4C95 HOUSTON OAU-AS AUSTIN BSAUMONT GONHOS QAJLVSSTON COUNTY WO HWANGS VAtXJTY ALSXAN04IA SAN ANTONIO AQWT WOWTH LSCSVIUUE MIOUANO MONROC SMPISVSPORT TSXAHftANA SHSWMAN SOUTHWESTERN LABORATORIES Materialsr environmental end geotechnical meinstring, nondestructive, metallurgical and analytical services 3SK573 Lon Star Drfva R 0* ox 224227 Offillas. Yox&m 75222 # 221^/203*1133 Report of test on: ~A-S i$6S7%>3 MofiJlTjOifiJC Date tested: /Z^> Technician: ___________________ Analyst: Chain of Custody: CIH/IH: _______ Manager: Type of Activity: ___ Decontamination Background Abatement Remarks: 0j4396 HOUSTON run i- M.m AUSTIN BSAUMQNT CONHOC OALVBSTON COUNTY MO OPtANOB VALLBY ALBXANQMA AN ANTONIO POBT WQWTH LBBBVILLB MIDLAND MON05OB *HBVPORT TBXAM&ANA awHMMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services aSTS Lena Star Drivs P. O. Box aa<4227 Dallas. Taxas 75222 214/283-1133 Report of test on: fegglK kit- MtVIn/*X> Date tested: Project: CeM UJ- Et-W - TilM Tl. lab Number: ______ Technician: Analyst: Chain of Custody: CIH/IH: Manager: _____ Type of Activity: Decontamination Background Abatement Remarks: G o 4 397 HOlCTON OMXU AUSTIN WSAUMONT CONPO A!.V**TON COUNTY WO OPANC* VAU4TY AUSXANOWA AN ANTONIO XOPT WOKT>l UBISV1LLS MIOUANO MONPOS MPV*POPT TUXAPKANA BH1PMAN S^L SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Sox 224227 2575 Lone Star Drive e Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Beil Telephone Attention: Gladys Haecker 7159 San Pedro, Room 117 San Antonio, Texas 78216 Report Date: Date Received: Report Number: March 6, 1992 March 2, 1992 9203001 Identification: 611 W. Elm St., Tyler, TX On February 28, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 611 W. Elm St. in Tyler, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: 022892 SWB-01 022892 SWB-02 022892 SWB-03 022892 SWB-04 022892 SWB-05 022892 SWB-06 022892 SWB-07 022892 SWB-08 022892 SWB-09 Field blank Field blank Basement, Boiler Room Basement, Air Handler Room B8 1st floor. Air Handler Room 1st floor, Switching Area 2nd floor, Breakroom 3rd floor. Air Handler Room, north 3rd floor, Switching Area, south 1262 1175 1170 1460 1294 1304 1304 0.0/100 fids. 0.0/100 fids. <0.004 <0.004 <0.004 <0.003 <0.004 <0.004 <0.004 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory l.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC Analyst: 60$ kz Bob Garrett, Manager Environmental and Analytical Services Gj4C98 Our letters and reports arc for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. S&L SOUTHWESTERN LABORATORIES bi Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2S75 Lon* Star Drive Dallas, Texas 75222 e 214/6312700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: July 28, 1992 July 24, 1992 9207222 Identification: 611 W. Elm, Tyier, TX On July 21, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 611 W. Elm in Tyler, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME (L) FIBERS PER CC 072192 SWBTY-01 Prevalent, Basement, Air Handler Room 1112 <0.004 072192 SWBTY-02 Prevalent, Basement, Compressor Room 1387 <0.004 072192 SWBTY-03 Prevalent, 1st floor. Switch Room, north center 1375 <0.004 072192 SWBTY-04 Prevalent, 2nd floor. Air Handler Room, north 1103 0.006 072192 SWBTY-05 Prevalent, 3rd floor. Air Handler Room, north 1103 <0.004 Analysis performed by Phase Contra* Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. :kz Our letter* and reports are for the exclusive use of the client to whom they are addressed. The letters and report* shall not be 99 reproduced except in fiill without the approval of the testing laboratory. The use of our name must receive our prior written approval. Huntingdon Report of: Report to: Air Monitoring Southwesim Bdl Telephone Attn: Elida Barfield One Beil Plaza, Room 910 Dallas, Tx 75202 Huntingdon Engineering & Environmental, Inc. P.O. Box 224227 2575 Lon* Star Driv* Dallas, Texas 75212 Tsisphorts: (214) 631-2700 FAX: (214)920-1891 Report Date: Date Received: Report Nwnber: August 25, 1994 August 25, 1994 9408211 Identification: 1116 Houston, Fort Worth, IX On August 25. 1994 a representative Huntingdon Engineering % Environmental, !nc., (HEE'.i was at the Southwestern Bell Facility located at 1116 Houston in Fort Worth, Tsxas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME (LI FIBERS PER CC 082594 FW-01 Sub Basement, northeast side 10% <0.004 082594 FW-02 Sub Basement, northwest side 1076 <0.005 082594 FW-03 Sub Basement, south central 1066 <0.00$ 082594 FW-04 Basement, Room B-6 1086 <0.00$ 082594 FW-05 Basement, Boiler room 1046 <0.00$ 082594 FW-06 Basement, Air handler room 1026 <0.005 082594 FW-07 Second Floor, Air handler room, AC-2T 1026 <0.005 082594 FW-08 Second Floor, Room 204, Conference Room 918 <0.005 082594 FW-09 Second Floor, Room 231, Break Room 948 <0.005 082594 FW-10 Fourth Floor, Room 432 938 <0.005 082594 FW-11 Fourth Floor, HV-8 928 <0.005 082594 FW-12 Fourth Floor, Switch room 888 <0.006 082594 FW-13 Sixth Floor, Air handler room. Room 610 859 <0.006 082594 FW-14 Sixth Floor, SBA, Room 606 859 <0.006 Go4400 HUNTINGDON ENGINEERING & ENVIRONMENTAL, INC Report No: Report of: Reported to: PAGE 2 of 3 9408211 Air Monitoring Southwestern Bell Telephone SAMPLEiffl, 082594 FW-15 082594 FW-16 082594 FW-17 082594 FW-18 082594 FW-19 082594 FW-20 082594 FW-21 082594 FW-22 082594 FW-23 082594 FW-24 082594 FW-25 082594 FW-26 082594 FW-27 082594 FW-28 082594 FW-29 LOCATION Sixth Floor, Room 638 Eighth Floor, Air handler room Eighth Floor, Mail Room Eighth Floor, Conference Room Tenth Floor, Room 1043 Tenth Floor, Air handler room Tenth Floor, Room 1000 Twelveth Floor, Conference Room, D-Building Twelveth Floor, Room 1212, Air handler room Twelveth Floor, Room 1225 Fourteenth Floor, Room 1440 Fourteenth Floor, Air handler room, 14-C1 Fourteenth Floor, Room 1401 Sixteenth Floor, Air handler room, 16-C1 Sixteenth Floor, Switch room. Computer Room VOLUME (LI 888 1471 1461 1490 1471 1481 1461 1441 1451 1451 1421 1441 1411 1421 fIBERSJgm.CC. <0.006 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 Pump failed Gj4401 HUNTINGDON ENGINEERING & ENVIRONMENTAL, INC. Report No: Report of: Reported to: PAGE 3 of 3 9408211 Air Monitoring Southwestern Beil Telephone 11 i i SAMPLE NO. 082594 FW-30 082594 FW-31 082594 PW 32 082594 FW-33 LOCATION Sixteenth Floor, Switch room, D-Building Field blank Field blank Field blank VOLUME (U 1323 FIBERS PER CC <0.004 2.0/100 fids. 1.5/100 fids. 2.0/100 fids. AnaJyai* peribraw-i by Vbam Cootrart Microaccpy ia accordance with NIOSH Method 7400. SwL Della* m rated proficient by the NIOSH Proficiency Aaalytacel Tot (PAT) Profiam, Laboratory I.D. No. 75212-001. HUNTINGDON ENGINEERING & ENVIRONMENTAL, IN< Gw ktum tad repost* are for the enhuivt use of fee efieat to whom they are addraaoed. The team and repetta fall not be reproduced except at fall without the approval of the totting SaborMocy. The urn of our bum asmt receive our prior written approval.  . SOUTHWESTERN LABORATORIES Materials, enriranmtHtat mmi gteeceltmcal tnimttrimg, mmitstmcsive, mtsslhtrgical ami mmsfytkml mrness 2370 Lon* Star DHv*#?? Q Ita* 2384227 # OaatM, Itecans 75222 81428^1133 Report of test on: Date tested: 67-Ag-93t Technician: ______ CIH/IH; ___ Type of Activity: Remarks: Analyst: Manager: Decontamination Background____ Abatement Chain of Custody: Gj4403 HOUSTON i*>ai I Am AUSTIN IIAUMONT CONDOS OAUVBSTON COUNTV WO QANOS VAU-SV * AUSXANOtA SAN ANTONIO POT WOHTH LSBSVUX* MIOUANO MONBQS SHRSVSPORT TIXABKANA SHSBMAN  . SOUTHWESTERN LABORATORIES Mmtrials, antimumami ami gtsMchnicei tamnttring, amdesneim, mmUargkal ami omatyikal a*me#i JESTS JLsnui Star OHm *RQ Box 22<4227 # OaHua. IfeMMt 75222 214/363*1133 . Report of test on: Art / Unt*W Date tested: dl'2%'93 * \% Project: 111(p 44>0SlOO AditN'. &gJfagAju> Sample Number / ID Location pva Pump Number Time lib Humber: Rom ivtd Bet. Volume Limit Fibers Fibers 1 per per Field cc Air" JWIaA- Off fcSXjMo. Onjb:^ LZHIn Elapsed /oSo &4o L ot 0r A'VP o*P >0 s" i-- T-ni-fjnrT"... ri'T3 ^i oc !# Vc-^ 3-50 0njo.'3o L/Min Elapsed /c8 9W\ L Off 010.4^ Elapsed n& Off On\vA? L/Min ioH`% l L/Min Elapsed 1017-Co . '&T\ "7*4 ay-o Off 4VqX2Uo \r^ On L/Min Elapsed jont* L Technician: _Analyst: CIH/IH: Manager: Type of Activity: ____Decontamination____ Background____ Abatement Remarks: Chain of Custody: Gj4404 HOUSTON DALLAS AUSTIN SKAUM0NT COfsWOK OALVSSTON COUNTV MO QWANOC VAUJIV ALKXANOWA. SAN ANTONIO POT WOWTH USESVILL* MIDLAND MONPO* ShPBVSPOBT TSXAPfCANA SHSRMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical entineering, nondestructive, metallurgical ami analytical services 1315751 Lon* Scsp Ortv R O. Box 224227' Oslisiii, Tbxbs 75222 # 814/283*1 *133 Report of test on: / limrvl^rQtU Date tested: 07"22"^"h Project: 111(j I" fjr. ; ilhtdZ&A^PiA Lab Number: Sample Number / ID Location Pump Number Time Flow and Pet. Volume Limit Fibers , Fibers per per Field cc 4? 0v f N, fib (Ur* * ntii On|05<f Off L/Min icto J- ' <j9 \P |iv~ On L/Min Elapsed /a&8 3# L 0ff3.<>7 V.v5"X2Ve 0"U:o7 L/Mi n Elapsed 766 8 3Uo L Off M.StAUQ \Smu niin L/Min Elapsed iO^O Md L Off 4.5*2*/o n||:^ L/Min Elapsed l& SO .Mo l -- ^ \------------ Technician: ___________ ___________ Analyst: _________ _________ _ Chain of Custody: CIH/IH: _Manager: Type of Activity: Decontamination Background___Abatement Remarks: r...4*805 HOUSTON OAU-AS AUSTIN BEAUMONT CONROE GALVESTON COUNTY TOO QRANQC VALLEY * ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILLE * MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN Mmtmh, mrirammenul mad gtmekakal enimtrimg, Mmiesmtetivt, rntmUargiod ami msfytkal strvkn a575Lffw enrDriw RG Box SS4S27 Oellm. Itam 75222m arWMBBa-l 133 Report of test on: - S ai Bate tested: 07^ Technician: _Analyst: ________ _ CIH/IH: __Manager: _______ Type of Activity: ___ Decontamination____ Background Abatement Remarks: _____________ Chain of Custody: Gj440B HOUSTON hai i A AUSTIN SSAUMONT CONWOS OAUVSSTON COUNTV WO QRANOS VALUtY AUSXANDRIA SAN ANTONIO PORT WORTH USS9MLL.fi MlOLANO MONRO* ShRSVIRORT TSXARKANA SWSRMAN SWL P.0. Sox 224227 SOUTHWESTERN LABORATORIES 2575 Lon* Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Boll Telephone Attention: Rebecca Pederson One Boll Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: August 16, 1993 July 30, 1993 9307281 Identification: 1110 Houston, Fort Worth, TX SAMPLE NO. 01072893 02072893 03072893 04072893 05072893 06072893 07072893 08072893 09072893 10072893 11072893 12072893 13072893 14072893 15072893 LOCATION Boiler #1 Boiler #2 Fan Room Chiller #3 Air Handler, hallway Air Handler Room 1st floor, pipe shaft 1st floor, Fan Room 2nd floor, Fan Room 2nd floor, north Fan Room 3rd floor, Fan Room 5th floor, Fan Room 7th floor 9th floor, pipe shaft 8th floor, pipe shaft VOLUME (LI 1082 1077 1080 1068 1080 1068 804 1077 1077 1080 1068 1068 1080 1080 1072 EffiEESJ <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 Cj4407 SOUTHWESTERN LABORATORIES, INC Report No: Report of: Reported to: PAGE 2 of 2 9307281 Air Monitoring Southwestern Bell Telephone SAMPLE NO. 16072893 17072893 LOCATION Field blank Field blank VOLUME,.(L) FIBERS PER CC 0.0/100 fids. 0.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. Analyst:. SOUTHWESTERN LABORATORIES, INC. :kz and Analytical Services Our letters and reporta are for the exclusive use of the client to whom they are addressed. The letters and reports ahail not be reproduced except in full without the approval of the testing laboratory. The use of our name muat receive our prior written approval. Gj4408 SwL 15 f SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.O. Sox 224227 2575 Lone Star Drive Dallas, Texas 75222 # 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 117 San Antonio, Texas 78216 Report Date: Date Received: Report Number: September 28, 1992 September 11,1992 9209110 7 3 </?*/ Identification: 1116 Houston, Fort Worth, TX On September 11, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 1116 Houston in Fort Worth, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME (LI UBEgSPERjCC 091192 SWB-01 Field blank 1.0/100 fids. 091192 SWB-Q2 Field blank 1.0/100 fids. 091192 SWB-03 Sub-basement, Mechanical Room, east end of floor, Pole J-l 1 1180 <0.004 091192 SWB-04 Sub-basement, Mechanical Room, west end of floor, Pole M-13 1171 <0.004 091192 SWB-05 1st floor. Marketing Office area. Room 104, near center of floor 1141 <0.004 091192 SWB-06 1st floor. Air Handler Room, from inside Switch Room 1091 <0.004 091192 SWB-07 3rd floor. Switch Room, near center of Room 300 1091 <0.004 091192 SWB-08 3rd floor, Air Handler Room, Room 321 1091 <0.004 091192 SWB-09 5th floor. Air Handler Room 1329 <0.004 091192 SWB-10 5th floor, Janitor's Room, Room 529 1290 <0.004 091192 SWB-tl 7th floor, Battery Room, center of floor 1200 <0.004 091192 SWB-12 9th floor. Air Handler Room, west end of floor 1121 <0.004 091192 SWB-13 9th floor, Operator Room 900, BSC, east end of floor, center of room 1111 <0.004 0^4409 SOUTHWESTERN LABORATORIES, INC Report No: Report of: Reported to: PAGE 2 of 2 9209110 Air Monitoring Southwestern Beil Telephone SAMPLE NO. 091192 SWB-14 091192 SWB-15 091192 SWB-16 091192 SWB-17 091192 SWB-18 091192 SWB-19 091192 SWB-20 091192 SWB-21 LOCATION 10th floor, Air Handler Room, northwest raid of floor. Room 1043 10th floor. Network Operations Room, east end of floor 12th floor, Classroom area, center of room 12th floor. Air Handler Room 7th floor, Equipment Room, center of room 15th floor. Air Handler Room, center of 15th floor 15th floor, Construction Management Center, center of room 17th floor. Microwave Room, center of room VOLUME (L) 1131 FIBERS PER CC <0.004 1091 <0.004 1091 <0.004 1131 <0.004 1131 <0.004 1131 <0.004 1180 <0.004 1042 <0.005 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. A nalyst: :kz Our letters and reports are for the exclusive use of the client to whom they are addressed. The tetters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. Cj4410 / S_wL SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Bo* 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 117 San Antonio, Texas 78216 Identification: 1116 Houston, Fort Worth, TX Report Date: Date Received: Report Number: March 6, 1992 February 27, 1992 9202287 1~3 On February 27, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 1116 Houston in Fort Worth, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME (LI fibers per cc 022792 SWB-01 Field blank 0.0/100 fids. 022792 SWB-02 Field blank 1.5/100 fids. 022792 SWB-03 16th floor, Switching area, northeast near return air 929 <0.005 022792 SWB-04 14th floor, north side air handler 1594 <0.003 022792 SWB-05 I3th floor, Operator Services, east wall 1512 <0.003 022792 SWB-06 11th floor, south end of C building, Equipment Room 1060 <0.005 022792 SWB-07 8 th floor. Room 842 1209 <0.004 022792 SVVB-08 6th floor, Breakroom, southwest comer 1470 <0.003 022792 SWB-09 4th floor, east side of C building 1646 <0.003 022792 SWB-10 2nd floor. Mechanical Room in C building 1209 <0.004 022792 SWB-11 Basement, Chiller Room 1431 <0.003 Cj4411 SOUTHWESTERN LABORATORIES, INC Report No: Report of: Reported to: PAGE 2 of 2 9292287 Air Monitoring Southwestern Bell Telephone SAMPLE NO, LOCATION 022792 SWB-12 Basement, Fan Room VOLUME (L) FIBERS PER CC 1431 <0.003 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: c&Btkz Bob Garrett, Manager Environmental and Analytical Services Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. 412r, ,j,i Huntingdon Engineering and Science for a Safer Environment P.O. Box 224227 2575 Lon* Star Drive Diilii, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Nunber: August 1, 1994 July 21, 1994 9407134 Identification: 3 J ft King, Quanah, TX SAMPLE NO. 03071494 04071494 03 04 LOCATION Switch Room North Switch Room South Field blank #3 Field blank #4 VOLUME (Li 1196 1196 FIBERS PER CC <0.004 <0.004 0.5/100 fids. 0.0/100 fids. Anaiyiu perforated by Phase Contrast Microscopy ia accordance with NIOSH Method 7400, SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Profiam, Laboratory I.D. No. 75212-001. HUNTINGDON ENGINEERING & ENVIRONMENTAL, INC. Analyst: :kz Industrial Hygiene Technician Louis It Environmental atnd AhMvtkal Servkea Our lattsra and reports are for exchuive ua* ofthe cite to whom they are addwewxL The letters and report* foal! not be reproduced except in ftifl wiflmx foe approval of the tenting laboratory. The ua of our nane uniat tecsive our priorwrim approval. Cj4413 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2S7S Lona Scar Oriwa P. O. Box 224227 Callao. Taxes 75222 214/283-1133 Report of test on: Date tested: ^ j( : Project KS'/vA ^ Qu&juJL* " Alin df'.MCO.Q. 'federspn Lab Number: Sample Number /ID cMdi^ Location <ZfLu. fciL City n,~ M tcU Ctrp tv"*- r y. Pump Number Time Plow and Volume Off /7/T2. Qn^y o Elapsed Off 4. *13 L/Min U% L nnt 0n \g Elapsed QTfO Off L/Min ii% L Det. Limit Fibers Fibers per per Field cc '7 ^ 7> On L/Min Elapsed Off On L/Min Elapsed Off On L L/Min Elapsed L Technician: CIH/IH: Type of Activity: Remarks: Analyst: Manager: Qecontamination Background____ Abatement Chain of Custody: 0j4414 HOUSTON OALLAS AUSTIN BEAUMONT COMPOS GALVESTON COUNTV RIO GRANGE VALUEV ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILLE MIOLANO MONROE SHREVEPORT TEXARKANA SHERMAN S>L SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Sox 224227 2575 Lone Star Drive Dallas, Texas 75222 e 214/631-2700 Report of: Report to: Air Monitoring Southwestern Beil Telephone Attention: John Heroid 7159 San Pedro, Room 106 San Antonio, IX 78216 Report Date: Date Received: Report Number: March 18, 1993 March 5, 1993 9303230 Identification: 310 King St., Quanah, TX SAMPLE NO. 01022293 02022293 03022293 04022293 05022293 06022293 LOCATION Switch Room, south wall, center Switch Room, north wall, center Front office, north wall, center Cable vault under 1st floor Field blank Field blank VOLUME (L) 1080 1092 1092 1044 FIBERS PER CC <0.005 0.008 <0.004 <0.005 4.0/100 fids. 2.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst :kz Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approve! of the tearing laboratory. The use of our name must receive our prior written approval. Gj4415 SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 lone Star Drive e Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: October 28, 1992 October 22, 1992 9210229 f3 Identification: 310 King St., Quanah, TX On October , 1992 a representative from Southwestern Laboratories Inc., {SwL) was at the Southwestern Bell facility located at 310 King St. in Quanah, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLEML 102192 SWB-01 LOCATION Field blank VOLUME (L) EBfflSJeERG 2.0/100 fids. 102192 SWB-02 Field blank 2.0/100 fids. 102192 SWB-03 Switch Room, north wall, center of room 1121 <0.004 102192 SWB-04 Front Office, north wall, center of room 1121 <0.004 102192 SWB-05 Cable Vault, under 1st floor 1131 <0.004 102192 SWB-06 Switch Room, south wall, center of room 1141 <0.004 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst:. :kz Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. Gj4416 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services SS7S Lon* Sear Oriv* R O. Sox 224227 Dalian. T*xaa 75222 214/2B3-1133 <-F -JjL Report of test on: - >4 f e y r^s Date tested: oL-^1-97 Project: S/2 T L) /14 , rf fj //r . 7 t Lab Number: CIH/IH: _____ Type of Activity: Remarks: Manager: Decontamination____ Background____ Abatement 0^4417 HOUSTON QAU-AS AUSTIN BEAUMONT CONROE QALVESTQN COUNTY WO ORANO* VAJUJtY AUBXANOWA SAN ANTONIO FORT WORTH UH5SVIU.B MIOUANO MONRO* SMR1VBBORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, :nrironmental and geotechnical engineering, nondestructive, metallurgical and analytical sendees 2573 Lon Star Drtv R O. Box SS4227 Dallas. Taxas 75222 214/2B3-1133 fs i_ of- U Report of test on: A Le r t\ \ Date tested: Q 6 -o ?- y ? Project . r !i Lab Number: CIH/IH: ________ _____________ Manager: Type of Activity: Decontamination Background ___Abatement ------------- Remarks: ____________________ ______________ -- u., 4418 HOUSTON nxi > aw AUSTIN BEAUMONT CONROE SALVEETON COUNTV AO QRANOE VALLCV ALEXANOA SAN ANTONIO XQRT WORTH LEESVILUE MIOLANO MONROE # SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services R2S7S Lone Scar Drive * , Box 224227 Dallas. Texas 75222 a 214/263-1133 ?3 1 * < ^ Report of test on: - ft fb esT^S____________ Date tested: c u Project: %( l \ lab Number: Technician: Analyst: Chain of Custody: CIH/IH: _____________________ Manager: Type of Activity: Decontamination__ Background Abatement Remarks: r i 419 HOUSTON DALLAS AUSTIN BEAUMONT CONROE OALVESTON COUNTY MO GRAND* VALLEY ALEXANDRIA SAN ANTONIO PORT WOBTH LCESVILLE MIOLANO MONRO* SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical unices 2575 Loon Star Driva IRO. Box 224227 Dallas. Taxas 75222 214/2B3-1133 Report of test on: - A S4<rj J Date tested: o4-q7-i? Project: Six 1T Lab Number: CIH/IH: _________ _ Manager: Type of Activity: Decontamination___ Background Abatement Remarks: c >44:0 HOUSTON OAU-AS AUSTIN BEAUMONT CONROE GALVESTON COUNTY ISO GRANGE VALLEY ALEXANDRIA SAN ANTONIO PORT WORTH LSCSVIU-E MIOUANO MONROE SHREVEPORT TEXARKANA SHERMAN r SOUTHWESTERN LABORATORIES Report of: Report to: P.O. Box 224227 2575 Lon* Star Oriv* Dallas, T*xas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: June 8, 1993 June 4, 1993 9306059 Identification: 812 9th, Wichita Falls, TX SAMMNQ, 01060393 02060393 03060393 04060393 05060393 06060393 07060393 08060393 09060393 10060393 11060393 12060393 13060393 14060393 15060393 16060393 17060393 LOCATION VOLUME (L) 1st floor, Fan Room 1068 Basement, Emergency Engine Room 1075 Basement, A/C Equipment Room 1082 Basement, Boiler Room 1089 Basement, Janitors Closet 1077 Basement, Power Room 1087 Basement, Cable Vault 1080 Basement, Fan Room #1 near Power Room 1075 Basement, Fan Room #2 1084 2nd floor, Fan Room 1084 3rd floor, Fan Room 1072 4th floor. Fan Room 1084 7th floor. Fan Room #7.1 1087 7th floor. Fan Room #7.2 1080 9th floor. Fan Room 1075 Field blank Field blank FIBERS PER CC <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 2.0/100 fids. 1.0/100 fids. Cj4421 SOUTHWESTERN LABORATORIES, INC Report No: Report of: Reported to: PAGE 2 of 2 9306059 Air Monitoring Southwestern Bell Telephone SAMPLE NO. 18060393 LOCATION Penthouse, Fan Room VOLUME (L) FIBERS PER CC 1070 <0.004 Analytic performed by Phaae Contra* Microscopy in accordance with NIOSH Method 7400. SwL Dallai it rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program, Laboratory I.D. No. 75212-001. Analyst: SOUTHWESTERN LABORATORIES, INC. Our letters and nparta an for the exckuive uae of the dicta to whom they an addnaeed. The letter* and reports dull not b reproduced except in Kill without the approval of the tcating laboratory. Tha ua* of our name mtut teceivs our prior written approval. CoU 22 StL SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P'.O. Box 224227 2571 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Beil Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Identification: 812 9th St., Wichita Falls, TX Report Date: Date Received: Report Number: June 1, 1992 May 28, 1992 9205241 Tl s 9 /6 On May 28, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 812 9th St. in Wichita Falls, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME fL) FIBERS PER CC 052792 SWBWF-01 Field blank 0.0/100 fids. 052792 SWBWF-02 Field blank 0.0/100 fids. 052792 SWBWF-03 1st floor, Fan Room 052792 SWBWF-04 Boiler Room, Basement 052792 SWBWF-05 AC Equipment Room, Basement 052792 SWBWF-Q6 Engine Room, Basement 052792 SWBWF-07 Storage Room, Basement 052792 SWBWF-08 Fan Room, Basement 052792 SWBWF-09 Janitor Storage Room, Basement 1039 <0.005 1039 <0.005 1039 <0.005 1039 <0.005 1039 <0.005 1039 <0.005 1039 <0.005 052792 SWBWF-iO Cable Vault, Basement 052792 SWBWF-11 4th floor, Fan Room 1039 <0.005 1039 <0.005 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: Bob Garrett, Manager :kz Environmental and Analytical Services Our letters and reports are for the exclusive use of the client to whom they are addresacd. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. Go4423 SwL SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Sox 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Asbestos Southwestern Bell Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, TX 78216 Report Date: Date Received: Report Number: May 29, 1992 May 28, 1992 9205241 Identification: 812 Ninth St., Wichita Falls, TX SWL Lab No. 15554 Location Stairwell between 3rd and 4th floors Sample Description Thermal insulation, white % Asbestos 35% Chrysotile 35% Amosite Other Fibrous Constituents % 30% Binder NVLAP Lab Code 1502 01 Method: EPA 40 CFR, Appendix A, No, 1 Analyses reported pertain only to those samples submitted. All percentages were determined by microscopic visual examination as described in EPA method 600/m4-82-020. SOUTHWESTERN LABORATORIES, INC. Boo Garrett, Manager Environmental and Analytical Services Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The uae of our name muat receive our prior written approval. Cj4424 Huntingdon Report of: Air Monitoring Report to: Southwestern Bell Telephone Attention: Elide Barfield One Bell Plaza, Room 910 Dallas, TX 75202 Huntingdon Engineering & Environmental, Inc. P.O. Box 224227 2575 Lon* Star Drive Oailaa, Taxaa 75212 Telephone: (214) 831-2700 FAX: (214) 920-1891 Report Date: September 29, 1994 Date Received: August 31, 1994 Report Number: 408257 t. ) Identification: 812 9th St., Wichita Falla, TX SAMPLE NO. 01083094 02083094 03083094 04083094 05083094 06083094 07083094 * 08083094 09083094 10083094 11083094 12083094 13083094 14083094 15083094 16083094 LOCATION A/C Equipment Room, Basement Basement, Boiler Room Basement, Power Room Basement, Fan Room #1 Basement, Cable Vault Basement, Janitor's closet Basement, Fan Room #2 Basement, small room adjacent to Engine Room First Floor, Fan Room 9th Floor, Penthouse 6th Floor, Equipment Room 4th Floor, Fan Room 3rd Floor, Fan Room 2nd Floor, Fan Room 4th Floor, Ladies Restroom, duct insulation from AHU Field Blank VOLUMEfLl FIBERS PER CC 1200 <0.004 1202 <0.004 1012 0.004 1209 <0.004 1201 <0.004 1197 <0.004 897 0.03 1199 <0.004 1195 <0.004 1195 <0.004 1195 <0.004 1192 <0.004 1207 <0.004 1196 <0.004 1197 <0.004 1.0/100 fids. 0^4425 HUNTINGDON ENGINEERING & ENVIRONMENTAL, INC. Report No: $408257 Report of: Air Monitoring Report to: Southwestern Bdl Telephone Page 2 of 2 SAMPLE NO. LOCATION VOLUMES) SPERCC 17083094 Field Blank 3.5/100 fids. * Note: Sample analyzed by Tinasmission Electron Microscopy (T.E.M.). Results attached. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. HUNTINGDON ENGINEERING & ENVIRONMENTAL, INC. Analyst: Hygiene Technician :kz Louis Jensen Environmental; Analytical Services Our lettara and report* in tbr the txchucve ua* of the client to whom they an addreaaed. The letter* and reporta dull not he reproduced except in fiiU without the approval of the tenting laboratory. The ua of our name nmut receive our prior written approval. Co4426 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2373 Lana Sear Qnv* P O. Box 224227 Dallas. Tsxaa 75222 m 214/2S3-1133 Report of test on: AsL^t tjtohk. Date tested Technician: __________ Analyst: CIH/IH: _________________ Manager: Type of Activity: Decontamination __ Background amarks: _______ Abatement Chain of Custody: _____________ -- 1 -- ------------------------------- HOUSTON Q*U.Ag AUSTIN BEAUMONT CONROE GALVESTON COUNTY WO ORANQE VALLEY ALEXANORSA SAN ANTONIO PORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN 0^4427 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2373 Loom Star Drive R O. Sox 22-4327 Dalles, Ti 75222 214/2B3-1133 Date tested: s/30/W Report of test on: Project: _________________ LjicJirfa^ faffs ---- Lab Number: Sample Number / ID Location Pump Number Time Flow and Det. Volume Limit J$*t-------------- Off . nn<fi & io i inm+ On ; L/Mln Fibers 1 Fibers per per Field j cc Jt |nfc 3d^4- ^Aja. $JTQTtd& & -Mo* L Off ,, 34o*>^ Sn 86 0f1 A L/Min JM15 eO 4;W L dt Off . 3:/s^ 11% 07 5tvaU Aonw A^Ws-vdib hi% L/Min To Sy^nnflH&aoiyv Elapsed tmi <3-7 JL( L I^LaOY" Off IH5.S3 4* FflUVs. A-eom L/Min -fad course L Off 3*. Mn Jol^lA L/Min Elapsed 442? 3-7om L Technician: ________ __ Analyst: ________________ CIH/IH: Manager: Type of Activity: ____Decontamination Background__ ^Abatement amarks: Chain of Custody: HOUSTON riAi I ac AUSTIN BEAUMONT CONROE GALVESTON COUNTY RSO ORANOE VALUEV ALEXANDRIA SAN ANTONIO PORT WORTH LEESVtLL* MIOLANO MONRO* SHREVEPORT TEXARKANA SHERMAN G o 4428 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 3975 Lon* Sear Onva (=>. Box 2S4S27 Dallas. Taxes 75222 21.4/263-1 133 : Asle&f'aS Report of test on Date tested : Technician: __Analyst: CIH/IH: ________ Manager: Type of Activity: Decontamination____ Background amarks: ______ Abatement Chain of Custody: HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV WO GRANGE VALUEV ALEXANDRIA SAN ANTONIO FORT WORTH LEESV1LL1 MIOUANO MONROE SHREVEPORT TEXARKANA SHERMAN 0^4429 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical entmetnng, nondestructive, metallurgical and analytical services S375 Lon* Sear Drtv* R Q. Sox 224227 Dallas, Txaa 75222 214/263-1 133 Report of test on: Project: f/a. 9 -4t Date tested Lab Number: Sample Number / ID Location IfemtfV Wam n<*3oi4 Pump Number Time Flow and Det. Volume Limit Off On Elapsed Off L/Min L On L/Min Elapsed Off L On L/Min Elapsed Off L On L/Min Elapsed Fibers Fibers per per Field cc Off On Elapsed L/Min L Technician: _____________________ Analyst: _____ Chain of Custody: CIH/IH: _________ Manager: ---- ----------------- Type of Activity: Decontamination__ Background____ Abatement ------------------------- amarks: -------------- -- - HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY RtO GRANDE VALLEY ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN Gj4430 S>L SOUTHWESTERN LABORATORIES i Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Sox 224227 2575 Lone Star Drive e Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Beil Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: October 26, 1992 October 22, 1992 9210226 Identification: 812 9th St., Wichita Falls, TX On October 19, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 812 9th St. in Wichita Falls, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: sample no, location VOLUME fLl FffiERS.PER CC 101992 SWB-01 101992 SWB-02 101992 SWB-03 101992 SWB-04 101992 SWB-05 101992 SWB-06 101992 SWB-07 101992 SWB-08 101992 SWB-09 101992 SWB-10 101992 SWB-11 101992 SWB-12 101992 SWB-13 Field blank Field blank Easement, Boiler Room Basement, Fan Room 2nd floor. Fan Room 2nd floor, center of local Switch Room 3rd floor, Engineering Dept,, center of room 3rd floor, Fan Room, inside Engineering Dept. 5th floor. Customer Service Office, west wall 5th floor. Fan Room 7th floor, Fan Room 7th floor, Fan Room for 8th floor 9th floor, Fan Room 1161 1071 1081 1052 1091 1042 1190 1151 1101 1091 1052 1.0/100 fids. 0.0/100 fids. <0.004 <0.005 <0.005 <0.005 <0.004 <0.005 <0.004 <0.004 <0.004 <0.004 <0.004 0j4431 SOUTHWESTERN LABORATORIES, INC Report No: Report of: Reported to: PAGE 2 of 2 9210226 Air Monitoring Southwestern Bell Telephone SAMPLE NO. LOCATION 101992 SWB-14 9th floor, Training Room VOLUME (L> HBERS PER CC 1042 <0.005 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst:. :kz mghs mental and Analytical Services Our letters end reports ire for the exclusive use of the client to whom they ire iddressed. The letters ind reports thill not be reproduced except in full without the ipprovsl of the testing Uboratoty. The use of our nstne must receive our prior written spprovti. Cj4432 * S&L SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631*2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Identification: 812 9th St., Wichita Falls, TX Report Date: Date Received: Report Number: June 1, 1992 May 28, 1992 9205241 f3 5%' On May 28, 1992 a representative from Southwestern Laboratories Inc., {SwL) was at the Southwestern Bell facility located at 812 9th St. in Wichita Falls, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME fLl FIBERS PER CC 052792 SWBWF-01 Field blank 0.0/100 fids. 052792 SWBWF-02 Field blank 0.0/100 fids. 052792 SWBWF-03 1st floor, Fan Room 1039 <0.005 052792 SWBWF-04 Boiler Room, Basement 1039 <0.005 052792 SWBWF-05 AC Equipment Room, Basement 1039 <0.005 052792 SWBWF-06 Engine Room, Basement 1039 <0.005 052792 SWBWF-07 Storage Room, Basement 1039 <0.005 052792 SWBWF-08 Fan Room, Basement 1039 <0.005 052792 SWBWF-09 Janitor Storage Room, Basement 1039 <0.005 052792 SWBWF-10 Cable Vault, Basement 1039 <0.005 052792 SWBWF-11 4th floor, Fan Room 1039 <0.005 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst Bob Garrett, Manager :kz Environmental and Analytical Services Our tetters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. 0^4433 S&L SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services p.O. Box 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Asbestos Southwestern Bell Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, IX 78216 Report Date: Date Received: Report Number: May 29, 1992 May 28, 1992 9205241 Identification: 812 Ninth St., Wichita Falls, TX SWL Lab No. 15554 Location Stairwell between 3rd and 4th floors Sample fifisgiptiOT Thermal insulation, white % Asbestos 35% Chrysotile 35% Amosite Other Fibrous Constituents % 30% Binder NVLAP Lab Code 1502 01 Method: EPA 40 CFR, Appendix A. No. 1 .Analyses reported pertain only to those samples submitted. All percentages were determined by microscopic visual examination as described in EPA method 600/m4-82-020. SOUTHWESTERN LABORATORIES, INC. Boo Garrett, Manager Environmental and Analytical Services Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. Gu4434 Huntingdon Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Elida Barfield One Bell Plaza, Room 910 Dallas, TX 75202 Identification: 310 W. Tarrant, Bowie, TX SAMELRm 01082394 02082394 03082394 04082394 05082394 06082394 07082394 LQCA33QM Janitor's Stonge NAS Office Area NAS Stonge Room Equipment Are* Emergency Engine Room Field blank Field blank Huntingdon Engineering & Environmental, Inc. P.O. Box 224227 2575 Lone Star Drive Dallas, Texas 75212 Telephone: (214) 631-2700 FAX: (214) 920-1891 Report Date: Date Received: Report Number: August 24, 1994 August 24, 1994 9408180 milMEJL) 1210 1196 1199 1192 1187 ima;IS PER CC <0.004 <0.004 <0.004 <0.004 <0.004 1.0/100 fids. 1.0/100 flds. Analysis performed by Phase Coatrsst Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NTOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. Analyst: uzjLr ../f Jonathan L. Garrison :kz Industrial Hygiene Technician HUNTINGDON ENGINEERING & ENVIRONMENTAL, INC. Our kttsn and repents are for tbs txchuivs use of the cheat to whoa they an addnutimd. The kom and reports shall not bs reproduced except ia lhll without As approval of the terting labomotjr. Theu ofour mm* mat receive our prior writtea approval. 0,.1.1435 SOUTHWESTERN LABORATORIES MmrUM, tttwwmml sadgtmekxM mstumfirj, rnnkstmtitfe, 2579 Lena Scutr Orfvn IRQ Bex 2SMS87 Report of test on: 75222 214/283-1133 Oats tested: VWf4 CiH/IH: ___ Manager: Type of Activity: amarks: Jtecontamlnation Background Abatewent t> J i 436 HOUSTON WUA< AUHN COMW OAO/arrOW COUNT*# SAN AATTOMO FQRT WORTH UHUMLLJi * MtOLANO a MONWO# VMLLSV A&4KANQMA TBKAWKANA I 0d 168 T68T 026 PIE"OH T31 "WO/TB :QI 20:TX 031 86...Pc-Wh SOUTHWESTERN LABORATORIES ifawMh, tmmud gtwtckmieml tmmmtmimg, smmdumtsiivt, mstattmrgksi fflSTS Lena tear Ortwi R O. Bo* aranaa? Thwmiia 15222 mmlpskai mthcm 133 Report of test on: Date tested: Project: 3lQ Lab Humber: CIH/IH: Manager: Type of Activity: Decontamination Background Abatement ------ -- -- - amarks: --- -- - - ----- ____ ______________________________________________ Cj4437 HOUSTON * OHLJL0M AUttmt * mmMJMCNf * QQbTKM (WOAttm COUNT? *3 9RMOE VAIJJF? * MJEXAMOPMt AN AWTOSfffl POST WO#WH UBOftflUtJI MffiUAMQ MOMWOll H><IVI8#i|lOW' TBXAPCtAWA MiffllfcAAN 20d 16# ISST 026 n2: ON 13i Tdd/TG :QI 20:IT (BTC rS.-PS-OTW SWb ' P.O. ISox 224227 SOUTHWESTERN LABORATORIES 2575 Ion* Star Drive e Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, TX 78216 Report Date: Date Received: Report Number: June 9, 1993 June 1, 1993 9306002 Identification: 310 W. Tarrant St., Bowie, TX SAMPLE NO. 01052893 02052893 03052893 04052893 05052893 06052893 07052893 LOCATION 1st floor. Boiler Room 1st floor. Switch Room, center of room 1st floor. Store Room, next to office area 1st floor, Emergency Engine Room Basement, Cable Vault Field blank Field blank VOLUME fLl 1075 1084 1075 FIBERS PER CC <0.005 <0.005 <0.005 1089 <0.005 1080 <0.005 2.0/100 fids. 0.0/100 fids. O J Analysis performed by Phase Contrast Microscopy ia accordance with NIOSH Method 7400. SwL Dallas is riled proficient by the NIOSH Proficiency Analytical Teat (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC Analyst:. :kz ytical Services Our iatten and report* an for the sxekurve use of the client to whom they an addraeasd. lb* letters and nporta dull not b reproduced except in foil without the approval of the testing laboratory. Th* use of our name must receive our prior written approval. G,,4438 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2375 Lon* Sear Oriva R O. Box 224227 Dalle. Taxes 75222 214/263-1133 f>3 j of a Report of test on: - ______ Date tested: oT-jf 7 Project: T/o 4gic _gn- Sample Number /ID Location xt: T?or/;g; th Lab Number: Pump Number Time Flow and f Det. Volume Limit Fibers Fibers per per Field cc /XT olonrV / e.* fz.JmLLa&alCtai* am kf> On / r?4 L/Hin Elapsed/ o/- Rt-'j/K / :rr'~ -iro^g I ftl -*T A? .ff&X.t.__ dM/? mv* uf Elapsed 4.^ L/Mi n /ofj L Off /:*y fpMur-nn Oj'.u ^ L/Min M ^ Elapsed lo^-Z L / ^ ft ^ ^ ft -- k<t Mc.ucf /?/7^ q-.tfV L/Min 8fli t/df"-- CaL /> JMjiLE. Elapsed 3v- Off/.ofe/ On 9.04* L/Min 0tsf--' /**'5 Elapsed /of Technician: CIH/IH: Type of Activity: Remarks: Analyst: Manager: Decontamination Background___ Abatement Chain of Custody: T539 HOUSTON DALLAS AUSTIN * SfAUMONT CONROE OALVESTON COUNTV HO BRANDS VAU-EV ALSXANOA SAN ANTONIO FORT WORTH LEESV1LLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical entineering, nondestructive, metallurgical and analytical services 2373 Ljorw Star Orfva R O. Box 224227 Dallas, Texas 75222 214/283-1133 fs 2 2 Report of test on: A $ Date tested: l) r-z.9-17 Project: T/= Uj, ^ Qad/v Lab Number: CIH/IH: Manager: Type of Activity: ____Decontamination Background____Abatement Remarks: HOUSTON DALLAS AUSTIN S8AUMONT CONR08 OALV8STON COUNTV WO SRANOS VAULBV AL8XANOWA SAN ANTONIO SORT WORTH USESVILLE MIDLAND MONRO* SHRV*PORT T1XARKANA 8HIRMAN SwL SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lone Star Orive Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: October 23, 1992 October 22, 1992 9210225 Identification: 310 W. Tarrant St., Bowie, TX Zfi On October 19, 1992 a representative from Southwestern Laboratories Inc., fSwL) was at the Southwestern Bell facility located at 310 W. Tarrant in Bowie, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME (L) FIBERS PER CC 101992 SWB-01 Field blank 0.0/100 fids. 101992 SWB-02 Field blank , 0.0/100 fids. 101992 SWB-03 lac ftotwyBoiler Rdnt 1151 0.004 101992 SWB-04 101992 SWB-05 let-Hottr, Badcttip EnguMbJtoom isfffdOr, ISwitcffRobM;' ttater ef^ossn 1131 1180 0.005 0.007 101992 SWB-06 Wtowmm&i C*bte Vault 1180 0.004 101992 SWB-07 1190 <0.004 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400, SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program. Laboratory l.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: '^.'7u^-yo :kz Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Loo* Star Drive Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: June 10, 1992 June 2, 1992 9206019 Identification: 310 West Tarrant, Bowie, Texas On June 2, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 310 West Tarrant in Bowie, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLEMI-. 060292 SWBB-01 LOCATION Field blank VOLUME (U IffiEMPEBXC 0.0/100 fids. 060292 SWBB-02 Field blank 0.0/100 fids. 060292 SWBB-03 Room west of Storage Room 1039 <0.005 060292 SWBB-04 Engine Room 1039 <0.005 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400, SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 752124301. SOUTHWESTERN LABORATORIES, INC. Bob Garrett, Manager :kz Environmental and Analytical Services Our Setters and reports are for the exclusive use of the client to whom they am addressed. The letters end reports shall not be reproduced except in ftill without the approval of the testing laboratory. The use of our name must receive our prior written approval. 0^4442 r, u SOUTHWESTERN LABORATORIES Report of: Report to: P.0, Sox 224227 2575 Lone Star Drive Dallas, Texas 75222 e 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Elida Barfield One Bell Plaza, Room 910 Dallas, IX 75202 Report Date: Date Received: Report Number: June 16, 1994 June 10, 1994 9406085 Identification: 220 Breckenridge, Breckenridge, IX SMlHJEm 061094 B-01 061094 B-02 061094 B-03 061094 B-04 061094 B-05 061094 B-06 LOCATOR Field blank Field blank Radio Room Mechanical Room/Boiler Room Switch/Frame Room Office area rnKMEiLi 1200 1200 1200 1200 FIBERS PER CC 4.0/100 fids. 1.5/100 fids. <0.004 <0.004 <0.004 <0.004 Analysis performed by Phase Contrast Microscopy m accordance with N10SH Method 7400, SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC Analyst: Emyironmental and Analytical Services Our letters and repons ire for the exclusive use of the client to whom they sre addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. f. b o 4443 StvL SOUTHWESTERN LABORATORIES *T 3(,o^ Materials, tnvironr.ientaJ and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lone Star Drive e Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: John Herold 7159 San Pedro, Room 106 San Antonio, TX 78216 Report Date: Date Received: Report Number: March 18, 1993 March 5, 1993 9303084 Identification: 220 N. Breckenridge, Breckenridge,TX SAMH&m 07022293 08022293 09022293 LiKAXlQN Switch Room Boiler Room Field blank VOLUME (LI 2232 2560 a Id PL <0.002 <0.002 3.0/100 fids. Analyais performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: 9 & :kz Analytical Services Our letters and reports are for the exclusive use of the client to whom they are The letters and reports shall not be reproduced except in fitU without the approval of the testing laboratory. The use of our must receive our prior written approval. C,,4444 SOUTHWESTERN LABORATORIES Report of: R^ort to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: Aug. 3,1992 July 27, 1992 9207282 -f 3CoSi Identification: 220 N. Breckenridge, Brekenridge, Texas On July 23, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 220 N. Breckenridge in Breckenridge, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO, LOCATION VOLUME (LI S PER CC 072892 SWBB-01 Mechanical Fan Room 1103 <0.004 j / Asaiyiti performed by Phase Contra* Microcopy in accordance with NIOSH Method 7400. SwL DtlUi ii rated proficient by the NIOSH Proficiency Anelytical Teat (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Cytoi Envi )d Analytical Services reproduced except in hill without the approval of the teating laboratory. The use of our bum ntuat receive our prior written approval. G j 4445 SOUTHWESTERN LASORATORIES ,Z7 Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2373 Lona Scar Oriva IRO, Box SS42S7 Dallas. TtxM 75222 214/263-1 133 Report of test on: fi%UtT^S _____ Psjcf z_ Date tested: j22_cAjLlSJ? Project: Aut' (T . C./rca^ /y Lab Number: n i i w * I^ Sample Number /ID Location Pump Number Time Flow and Det. Volume Limit Fibers Fibers per per Field cc o 1 i"**} 1 CAt/1 VAia tr Off lisrt I32JS t\* on r:m L/Min Elapsed fbfc It* L 0^ / of r q.\-6 ot oq2*>tfjj __ ZQiiL&\`JT~ K(a^. On 9, ^ L/Min ue Elapsed t'tf* IV => L 6 A S <2- /n e */Tft ^, Off/ i<*v l^/yi On ^ L/Min __ Elapsed L 1 0qo 7 Jh.__________________ _ _______ Lxf On q;**, L/Min Elapsed |j>*& Z Vo L Off r.iu/. t On 9: iHp j L/Min Elapsed ,oCf IVa L Technician: ____ ________ __ Analyst: ___ ______________ CIH/IH: Manager: Type of Activity: Decontamination____Background Abatement Remarks: Chain of Custody: HOUSTON oah I ar AUSTIN BEAUMONT CONROE GALVESTON COUNTV WO GRANDS VALLEY ALEXANDRIA SAN ANTONIO SORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN f,.,J446 SOUTHWESTERN LABORATORIES Mattrials, environmental and geotechnical entinttring, nondestructive, metallurgical and analytical services 2373 Lone Star Driva R O. Box 224227 Dallas. Taxas 75222 214/263-1133 Report of test on: - A TLf> ______ Z. Date tested: 0*7- ~ It?- -*T7 Project: 6/ C Ci'tCu 73( Lab Number: Sample Number / ID 6'* o of o>r^? /K?o ??>?; Location JLn. Fa^> 'IhJ F'/owa ..r_X kw >ir > f / d 4 ^..^y Fs Pump Number Time Flow and Det. Volume | Limit Off/ V2/> 4*1 )(ofJr 0"?/ ?2< L/Min <n* Elapsed /me ,L off l/ /4<ys t\P Elapsed lo Off L/Min L b- On L/Min Elapsed / o Off On L/Min Elapsed Fibers Fibers per per Field cc fle/J 'BLfr<uh Off On Elapsed L/Min L Technician: Analyst: CIH/IH: _________________ Manager: Type of Activity: ____Decontamination Background Remarks: Abatement Chain of Custody: b o 4447 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV WO QBANOE VALLEY ALEXANDRIA SAN ANTONIO FQBT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN Huntingdon Engineering and Science for a Safer Environment P.o. Sox 224227 2575 Loot Star Drive e Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Elida Barfield One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: July 15, 1994 July 8, 1994 9407047 Identification: 606 Ave. E, Cisco, TX SAMELEHQe 01070694 02070694 03070694 04070694 05070694 06070694 07070694 08070694 09070694 LflCAUQH Basement, Cable Vault Basement, Mechanical Equipment Room Basement, Boiler Room Basement, Emergency Engine Room 1st floor, Fan Room 2nd floor, Fan Room 1 2nd floor, Fan Room 2 Field blank Field blank VOLUME (L) 1171 1132 1108 869 746 1156 1082 FIBERS PER CC <0.004 <0.004 <0.004 <0.006 <0.007 <0.004 <0.005 8.5/100 fids. 2.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NTOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. Our letters and reports an for the exclusive use of the client to whom they an addressed. The tetters and reports shall not be reproduced except in fill! without the approval of the testing laboratory. The use of our name must receive our prior written approval. kfn, .2448 SOUTHWESTERN LABORATORIES Materials, environmental ami geotechnical engineering, nondestructive, metallurgical and analytical services 2575 Lone Star Drive R O. Box 224227 Dallas. Texas 75222 214/263-1 133 Report of test on: s, Date tested Project: la A ue- . (L\^cjo Lab Number: Technician: Analyst: ___________________________________ ____ CIH/IH: __ ___________________ Manager: Type of Activity: __ Decontamination Background____ Abatement emarks: Chain of Custody: ----------------------------------------- ---- --------------- HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV RIO GRANGE VALLEY ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN 0.4449 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2573 Lone Scar Drive R O. Box 22-4227 Dallas. Texas 75222 214/263-1 133 Report of test on: A le^r/ 0 Date tested: it. Project: Loi, 4ue. -- &iSca '---- ---------------------------------- Lab Number: Sample Number / ID Location 0(gO 7o tfif. blaja L f y 'H-oar AdQTK & o$'o'7ofc<7t/ T Pump Number Time Flow and Det. Volume Limit Off HSL.ti Mil 0n / L/Min &&S* L Off iaSZtfl I'.Zlp, On L/Mi n //: 3Sk. Elapsed H.m L Off On L/Min Elapsed Fibers Fibers per per Field cc cH <3'1 o t> W ' fi Lx-*\Jc Off On L/Min Elapsed Off On Elapsed L/Min L Technician: ____________Analyst: __ Chain of Custody: CIH/IH: Manager: ______------------------------------------------------- Type of Activity: ____Decontamination Background____Abatement -- -- emarks: ------------------------ HOUSTON riAi i as AUSTIN BEAUMONT CONROE GALVESTON COUNTY RIO CSRANOE VALLEY # ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE M5DUANO MONROE SHREVEPORT TEXARKANA SHERMAN 0.4450 SOUTHWESTERN LABORA TORIES Report of: Report to: P.O. Box 224227 2575 Loo* Star Drive Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: August 4, 1993 July 27, 1993 9307241 Identification: 606 Ave. E, Cisco, TX SAMPLE NO, 01072793 02072793 03072793 04072793 05072793 06072793 07072793 08072793 09072793 10072793 LOCATION Basement, Cable Vault Basement, Mechanical Equipment Room Basement, Emergency Engine Room Basement, Boiler Room 1st floor. Switch Room 1st floor. Fan Room 2nd floor, Fan Room #2 2nd floor, Fan Room #1 Field blank Field blank VOLUME (LI 1080 1080 1077 1080 1068 1077 1080 1080 FIBERS PER CC <0.005 <0.005 <0.005 <0.00S <0.005 <0.005 <0.005 <0.005 0.0/100 fids. 0.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: '*nL- :k2 Our letters and reports are for the exclusive use of the client to whom they an addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. Gj4451 A/17 / - i' Sw SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lon* Star Drive Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Dallas, Texas 75222 Report Date: Date Received: Report Number: 214/631-2700 November 20, 1992 November 17, 1992 9211181 Identification: 606 Avenue E, Cisco, Texas On November 17, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Ball facility located at 606 Avenue E in Cisco, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SMTFLENOa LOCATION VOLUME (LI FIBERS PER CC 111792 SWB-01 Field Blank 1/100 111792 SWB-02 Field Blank 0.5/100 111792 SWB-03 Basement, boiler room 1290 <0.004 111792 SWB-04 Basement, chiller room 1250 <0.004 111792 SWB-05 First floor, switch room, center of room 1230 <0.004 111792 SWB-06 First floor, air handler room 1230 <0.004 111792 SWB-07 First floor, room i 12, equipment room 1151 <0.004 111792 SWB-08 Second floor, air handler room 1091 <0.004 111792 SWB-09 Second floor, switch room center of room 1081 <0.004 111792 SWB-10 Second floor, room 211, teletype room 1091 <0.004 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Kyle Burroughs (/ :sja Environmental and Analytical Services Our letters and reports are for the exclusive use of the client to whom they are addreaaed. The letters and reports shall not be reproduced except in hill without the approval of the terting laboratory. The use of our name taut receive our prior written approval. . G.4452 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2373 Lorna Sear Ortvs IPO. Box 224257 Qallaffl. Tsxss 75222 214/263-1 133 Report of test on: As Le'&ioS Date tested Technician: __________ __________ Analyst: CIH/IH: ______ Manager: ______ ________ _ Type of Activity: ^__Decontamination^_Background Abatement amarks: Chain of Custody: Houston tiai i,,a^ Austin bsaumont gonros galvsston countv mo grands vajll*y Alexandria SAN ANTONIO PORT WORTH UESSVlUJi MIOLANO MONROB SHRBVBPQRT TKXARKANA JHfBMAN Huntingdon Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Elida Barfield One Bell Plaza, Room 910 Dallas, TX 75202 Identification: 317 E. 4th St,, Burkburnett, TX SAMPLE NO, 01083994 02083094 03083094 LOCATION 1st floor, Stonge Room, hot water lyatef Field blank Field blank Huntingdon Engineering & Environmental, inc. P.O. Box 224227 2575 Lon* Star Ohva OaHaa, Taxaa 75212 Telephone: (214) 631-2700 FAX: (214) 920-1891 Report Date: Date Received: Report Number: September 12, 1994 August 31, 1994 9408256 VOLUME (L) 1203 HIEISFEUX 0.004 1.0/100 fids. 1.0/100 fids. Analysis performed by Pbss* Cootrssl Microscopy in accordance with NTOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory i.D. No. 75212-001. HUNTINGDON ENGINEERING & ENVIRONMENTAL, INC. Analyst / Industrial Hygiene Technician Gj4454 Our letters and reports srs for as exciwiva use of the client to whoa they an addressed. The lattan and rtoorts dull not be reproduced except in ftiU without the approval of the testing laboratory. The use of our mom nut receive our prior written approval. SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Bo* 224227 2575 Lone Star Drive e Dallas, Texas 75222 e 214/631-2700 Report of: Report to: Air Monitoring Southwestern Beil Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: October 28, 1992 October 22, 1992 9210230 ^3 k / Identification: 311 Ave. B, Childress, TX On October 21, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 311 Ave. B in Childress, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: VOLUME (L) 102192 SWB-01 Field blank 0.0/100 fids. 102192 SWB-02 Field blank 0.0/100 fids. 102192 SWB-03 Front office, center of room, north end of building 1141 <0.004 102192 SWB-04 Fan Room, northeast end of building 1091 <0.004 102192 SWB-05 Boiler Room, north end of building 1081 <0.005 102192 SWB-06 Switch Room, center of room 1061 <0.005 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program. Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: 3 :kz Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in fill! without the approval of the testing laboratory. The use of our name must receive our prior written approval. SOUTHWESTERN LABORATORIES Mmmh, tmriimmmmf mi gtemkwteaS mtmMriag, SS7S Lem 8tar Ortem *RO Hok aSWaSET Mtftnfiux&iaf *? mmfpkmS strrieex 75222 214063-1133 Report of test on: -/)sfr*s-fos &ris Mtnihr'iM Date tested Project: f-U lhc SS> - -- Lab Number: CIH/IH: _____Manager: Type of Activity: Decontamination Background___ Abatement Remarks: Gj4456 Mcmmx rno.11 AuamN mwumont odnmqc * iw.vitn county no ohmoi vmjlmy * mjxanonia SAN ANTOMQ (*OCIT WCMTM * UHtSVUJR MOLANO fcNP MSVPORT 7WXMWCANA (MIMMAN SWL P.o. Sox 224227 SOUTHWESTERN LABORA TORIES 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: September 2, 1993 August 17, 1993 3308166 Identification: Childress, 3rd Floor and Basement SAMPLE NO, 01081293 02081293 LOCATION Equipment Room Boiler Room Field blank Field blank VOLUME fL) 1070 1075 FIBERS PER CC <0.005 <0.005 0.0/100 fids. 0.0/100 fids. Analyiia performed by Ptiaae Contnat Microcopy in accordance with KIOSH Method 7400. SwL Dallas if rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: J 'AAvpvo :kz ^ Co4457 and Analytical Services Our letttr* and report* in for the exchimv# use of the client to whom they an addneesd. Th* letter* tad report* dull not be reproduced except in dill without the approval of th* leafing laboratory. The ua* of our aims must receive our prior written approval. Huntingdon Engineering and Science (or a Safer Environment P.O. Box 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: August 1, 1994 July 21, 1994 9407135 Identification: 311 Ave. B, Childress, TX SAMELEm 01071494 02071494 01 02 LOCATION Boiler Room Switch Room Field blank #1 Field blank #2 VOLUME (LI 1204 1201 EffiEBS_HRC <0.004 <0.004 0.0/100 fids. 0.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NTOSH Method 7400. SwL Dellas is rated proficient by the KIOSH Proficiency Analytical Teat (PAT) Program, Laboratory I.D. No. 75212-001. HUNTINGDON ENGINEERING & ENVIRONMENTAL, INC. Analyst! X :k* Industrial Hygiene Technician Cj4458 Our lassera and report* are for the exclusive use of the dim* to whom they an addressed. The Snare and reports shall not be utfknreproduced except wiH the approval of the testing laboratory. Tba use of our name men* receive our prior writtaa approval. SOUTHWESTERIM LABORATORIES Mattrials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2373 Lana Sear Onva R O. Box 224227 * Dallam. Taxaa 75222 214/263-1133 Technician: ______ _______________ Analyst: _ Chain of Custody: CIH/IH: _____ Manager: Type of Activity: ____Decontamination Background____Abatement Remarks: Go4459 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV HtH GRANDE VALI EV Al CVAKjnOll SOUTHWESTERN LABORATORIES Report of: Report to: P.0, Box 224111 2575 lone Star Drive Dallas, Texas 75222 # 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Elida Barfield One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: June 16, 1994 June 10, 1994 9406086 Identification: 200 N.E. 1st Ave., Mineral Wells, IX SAMPLE NO. 061094 MW-01 061094 MW-02 061094 MW-03 061094 MW-04 061094 MW-05 061094 MW-06 061094 MW-07 location Field blank Fieid blank 2nd floor. Switch Room 1st floor. Lobby stairs 1st floor, hallway Basement. Fan Room Basement, Boiler Room VOLUME (L) 1320 1320 1320 1320 1320 FIBERS PER CC 2.0/100 fids. 5.57100 fids. <0.004 <0.004 <0.004 <0.004 <0.004 Analysis performed by Phase Contrast Microscopy in accordance wtih NtOSH Method 7400. SwL Dallas ts rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. Analyst^ SOUTHWESTERN LABORATORIES, INC Our letter, and report! are for the exclusive uae of the client to whom they are addressed. The letters and reports ahsll not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. SwL SOUTHWESTERN LABORATORIES y Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 # 2575 Lone Star Orive Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: Aug. 3 , 1992 July 29, 1992 9207281 Identification: 200 N. E. First Street, Mineral Wells, Texas On July 23, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 200 N. E. First Street in Mineral Weils, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME (L) FIBERS PER _CC 072892 SWBMW-01 Field Blank 072892 SWBMW-02 Field Blank 072892 SWBMW-03 Basement Fan Room * 072892 SWBMW-04 Basement Boiler Room 2.5/100 fids. 6.S/100 fids. 1103 0.004) 1103 0.013 | ,I . ,\^- Aiulyiis performed by Phise Contrast Microscopy in accordance with NIOSH Method 7400, SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory i,D. No. 75212-001, This sample was found to be over the EPA recommended 'clean air' target value of <0.01 f/cc. Subsequently, the sample was submitted for Transmission Electron Microscropy (TEM) to determine if the fiber loading was due to asbestos. The TEM analysis revealed that no asbestos fibers wctc present. SOUTHWESTERN LABORATORIES, INC. Analyst: jS, :kz Kyiejsutr mghs /ironmental and Analytical Services G 4 461 Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in hill without the approval of the testing laboratory. The use of our name must receive our prior written approval. SWL P.O. Box 224227 SOUTHWESTERN LABORATORIES 2575 Lon* Star Drive Dallas, T*xas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: June 8, 1993 June 1, 1993 9306001 Identification: 200 N.E. 1st Ave., Mineral Wells, TX SAMPLE NO. 01052793 02052793 03052793 04052793 05052793 06052793 07052793 LOCATION VOLUME (L) Basement, Boiler Room 1075 Basement, Mechanical Room, beside hot water heater 1080 Basement, Mechanical Room, between AHU #0201 and 0202 1072 Basement, Power Room, ASI pipes outside Cable Vault 1075 Basement, Cable Vault 1089 Field blank Field blank FIBERS PER CC <0.004 <0.004 <0.004 <0.004 <0.004 0.0/100 fids. 5.0/100 fids. Analyiis performed by Phase Cootnut Microscopy in accordance with NIOSH Method 7400. SwL Dallas i* rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst:_ kW :kz Gj4462 ytical Services Our letters and report* are for the exciunve uat of the client to whom they are addressed. The letters and reports rita.ll not b nproducad except in fill! without die approval of the testing laboratory. The us* of our mma nut receive our prior written approval. SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2573 Lons Star Drtva R O. Sox 22*4227 OnHsa. Texas 75222 214/263-1133 Report of test on: - /j"Tk e rro f ffl Date tested: J. 7T Project: J?oq N.C. ! -m^eRAl Ufei/iy Lab Number: Sample Number /ID Location Pump Number Time Flow and Det. Volume Limit O f OS "2-T *G err-. JjOjlI f.S--fcugA, Offing ICS</1 kP On^.^4^ L/Min Elapsed/ /ne^T-iJa-LcJa^Las- 025'27`tJ RtS.dc fUr u^T-g/t tiozX.'ML i 0ff/:^/k ^5^ 0nl'Jw L/Min Elapsed /o^ 2*- L 6io 0^3 o^on^T, 77aR/h- Off/.W/K l m v w (4 &L< /?2?r 0n ^'^4 L/Min7" A/-j x c ~<i UP Elapsed /?3^ 2, W <a L K*h.. Off/ VI /'a. H.'+S' s r i/_,rr > o w_i=i.,..ck_ ll/lr L/Min wf Elapsed i o 3 r, L ^"<3 Ba /w> 4a.'T~'~ 04^ K 0 ALt^r.. Offi s-vv< ^ <|(Pf /w On pj> L/Min kP Elapsed jon^| 2t/0 L Fibers Fibers per per Field cc Technician: Analyst: _______ Chain of Custody: CIH/IH: __ _____ Manager: __________________________________ ___ " Type of Activity: DecontaminationBackground Abatement ................ ... Remarks: G j 4463 HOUSTON DALLAS AUSTIN BEAUMONT CONBOE OALVS8TON COUNTY RtQ BRANDS VAU-SY ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILLE MIOLANO MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2S73 Lon* Star Driv* P Q. Box 224227 Dalle, Txaa 75222 214/2S3-1133 Fj % Report of test on: - d'sh*irtj X Date tested: <o~-17-7? Project: J2oo __/ Au < - m\ Ld<?.//r Lab Number: r* Sample Number / ID Location oCo (Ll* 14__ ttAAt/r Pump Number Time Flow and Det. Volume Limit Off On L/Mln Elapsed/ 'A Fibers Fibers per per Field cc Off On L/Min Elapsed Off On Elapsed L L/Min Off On L/Min Elapsed Off On Elapsed L/Min Technician: CIH/IH: Type of Activity: Remarks: Analyst: Manager: Decontami nati on____Background___ Abatement Chain of Custody: 4464 HOUSTON OALLAS AUSTIN BEAUMONT CONROE QAtVESTQN COUNTY RO QAANOE VALUEV ALEXANDRIA SAN ANTONIO PORT WORTH LSESVILL* MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SwL SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 22422? 2575 Lone Star Drive e Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: August 31, 1992 August 24, 1992 9208219 3-6X3 S' Identification: 117 W. Columbia, Weatherford, TX On August 24, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 117 W. Columbia in Weatherford, Texas to provide .evalent air monitoring. The results of the air samples collected are as follows: SAMPLE NO, LOCATION VOLUME (L) FIBERS PER CC 082492 SWB-01 Field blank 0.5/100 fids. 082492 SWB-02 Field blank 1.0/100 fids. 082492 SWB-03 1st floor. Switch Room, north wall 1190 <0.004 082492 SWB-04 1st floor, Break Room 1190 <0.004 082492 SWB-05 2nd floor, Fan Room 1190 <0.004 082492 SWB-06 Basement, Emergency Generator Room 1190 <0.004 082492 SWB-07 Basement, Fan Room 1190 <0.004 082492 SWB-08 Basement, Power Room 1190 <0.004 082492 SWB-09 1st floor. Special Services 1307 <0.004 lalysis performed by Phase Content Microscopy in accordance with NIOSH Method 7400, SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. f'l SOUTHWESTERN LABORATORIES, INC. L Kyle Burroughs Environmental and Analytical Services Co4465 Our letter! and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name mutt receive our prior written approval. SOUTHWESTERN LABORATORIES Report of: Report to: P.O. Box 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Beil Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: June 8, 1993 June 4, 1993 9306057 Identification: 215 Bridge Street, Henrietta, TX SAMPLE NO, 01060393 02060393 03060393 04060393 05060393 06060393 07060393 LOCATION 1st floor, southeast comer frame area 1st floor, Residence I/M area Basement, Emergency Engine Room Basement, Boiler Room Basement, Mechanical Room Field blank Field blank VOLUME (L) 1087 1068 1072 1077 1077 FIBERS PER CC <0.004 <0.004 <0.004 <0.004 <0.004 0.0/100 fids. 2.0/100 fids. Analyiii performed by Phaae Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst:. :kz Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name muat receive our prior written approval. SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services S575 Lontv Star Ortva R O. Box 224227 Dallam. Taxas 75222 214/263-1 133 /'g J_ sP -2 Report of test on: - $ J gj/T j- Date tested: <96 - g i- 91 Project: 1/? S'; Rg-er ; Lab Number: CIH/IH: ___ _______________ Manager: Type of Activity: Decontamination Background Abatement -------------- Remarks: _______________ ___ ____________ --. ---------------------------------------------------------------------- r..,4467 HOUSTON OAULAS AUSTIN BEAUMONT CONROE OAUVSSTON COUNTY RM3 BAANOS VAULSY ALEXANDRIA SAN ANTONIO PORT WORTH LfiESVILLS MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental end geotechnical engineering, nondestructive, metallurgical and analytical services SB7S Lon Star Ortv R O. Box 22-4227 Dallas. Taxes 75222 21-4/2B3-1 133 A J ^ J. Report of test on: - Alkp s'itoS Date tested: <? 4 ^ Project: 2!^~ S'T>eg-7-' Lab Number: ___________ Sample Number /ID Location A O 4 e Co7<i? -&-&U___ A o) o4t ?<?? f", e.// 5 C -*$,o /'T Pump Number Time Flow and Det. Volume Limit Off On L/Hin Elapsed/ 1 < A L Off On L/Min Elapsed Off L On L/Min Elapsed Fibers Fibers per per Field cc Off On L/Mi n Elapsed Off On Elapsed L/Min L Technician: CIH/IH: Type of Activity: Remarks: Analyst: Manager: Decontamination Background____Abatement Chain of Custody: Cj4468 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY WtO ORANOE VALLEY ALEXANOPWA SAN ANTONIO TORT WORTH LE8SVILL* MIOLAND MONROE SHREVEPORT TEXARKANA SHERMAN S<vL V \ ov SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: October 28, 1992 October 22, 1992 9210231 Identification: 215 S. Ridge St, Henrietta, Texas ` On October 22, 1992 a representative from Southwestern Laboratories Inc., ISwL) was at the Southwestern Bell facility located at 215 S. Ridge in Henrietta, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMELEML 102292 SWB-01 LOCATION Field blank VOLUME fL) FIBERS PER CC 1.5/100 fids. 102292 SWB-02 102292 SWB-03 102292 SWB-04 - 102292 SWB-05 102292 SWB-06 102292 SWB-07 Field blank Basement, Mechanical Room Basement, Boiler Room 1st floor, Repair/Store Room, next to Mechanical Room 1st floor, center of Switch Room Basement, Emergency Engine Room 0.0/100 fids. 1240 <0.004 1240 <0.004 1171 <0.004 1141 <0.004 1091 <0.004 i Analysis performed by Phase Contrast Microscopy in sccordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 752124)01. SOUTHWESTERN LABORATORIES, INC. Analyst:. :kz Our letters and reports are for the exclusive use of the client whom they are addressed. The letters snd reports shall not be reproduced except in foil without the approval of the testing juratory. The use of our name must receive our prior written approval. SWL P.O. Box 224227 SOUTHWESTERN LABORATORIES 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Elida Barfield One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: June 13, 1994 June 9, 1994 9406065 Identification: 215 Bridge St., Henrietta, TX gAMPLENO. 060894 H-01 060894 H-02 060894 H-03 060894 H-04 060894 H-05 060894 H-06 060894 H-07 location Field blank Field blank Mechanical Room Boiler Room Engine Room Switch Room Office VOLUME (L) 2820 2820 2820 2737 2856 FIBERS PER CC 0.0/100 fids. 1.0/100 fids. <0.002 <0.002 <0.002 <0.002 <0.002 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400, SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program. Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: r :kz _Lt jL_- KvleiBurroughs-'' Environmental and Analytical Services C.,4470 Our letten end report! are for the exclusive use of the client to whom they ire addressed. The letters and reports shill not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. SOUTHWESTERN LABORA TORIES 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Beil Telephone Attention: Eiida Barfield One Bell Plaza, Room 910 Dallas, TX 75202 Identification: 109 W. Bank Street, Iowa Park, TX SAMPLE,NQ. IP-01 IP-02 IP-03 IP-04 IP-05 IP-06 LOCATION Field blank Field blank Power room Switch room Frame room Mechanical room Report Date: Date Received: Report Number: June 9, 1994 June 9, 1994 9406064 VOLUME IL) 1260 1260 1260 1208 FIBERS PER CC 1.0/100 fids 0.5/100 fids. <0.004 <0.004 <0.004 0.005 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, E Analyst: G ^ 4471 :bf d Analytical Services Our letters and reports are for the exclusive use of the client to whom they erg^addreksed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. -r>^5 SwL SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: John Herold 7159 San Pedro, Room 106 San Antonio, TX 78216 Report Date: Date Received: Report Number: March 18, 1993 March 5, 1993 9303231 Identification: 105 West Bank, Iowa Park, TX SAMPLE, m. 01022193 02022193 LOCATION Equipment Room Field blank milMEJLl 2732 BPBEBSJEERCC. <0.002 3.5/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program, Laboratory l.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC Analyst :kz reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. Go 4472 SufL SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 [ Identification: 105 W. Bank St., Iowa Park, Texas Report Date: Date Received: Report Number: October 26, 1992 October 22, 1992 9210227 tl L 9-1 s' On October 20, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 105 W. Bank St. in Iowa Park, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME (L) FIBERS PER CC 102092 SWB-01 Field blank 0.0/100 fids. 102092 SWB-02 Field blank 0.0/100 fids. 102092 SWB-03 Switch Room, center of room 1885 <0.003 102092 SWB-04 Boiler/Fan Room 1875 0.004 Analysis performed by Phass Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program. Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: y=> :kz unroughs nmental and Analytical Services Our letters and report* are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be r i 473reproduced except in full without the approval of the testing laboratory. The uae of our name must receive our prior written approval. Report of: Report to: SOUTHWESTERN LABORATORIES P Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.O. Box 224227 2575 Lone Star Orive Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: Aug. 3 , 1992 July 29, 1992 9207283 Identification: 206 E. Belknap, Jacksboro, Texas On July 23, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 206 E. Belknap in Jacksboro, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME (L) FIBERS PER CC 072992 SWBJ-01 072992 SWBJ-02 072992 SWBJ-03 072992 SWBJ-04 Field Blank Field Blank Switch Room, South Side Mechanical Room 2.0/100 fids. 2.0/100 fids. 1011 (^0.010 ` 1011 0.006 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program. Laboratory I.D. No. 75212-001. L SOUTHWESTERN LABORATORIES, INC. Analyst: 8 :!u ughs nmental and Analytical Services Our letters and reports arc for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in hill without the approval of the tenting laboratory. The use of our name must receive our prior written approval. Huntingdon Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Elide Barfield One Bell Plaza, Room 910 Dallas, TX 75202 Identification: 206 E. Belknap, Jacksboro, TX SAMELEm 01082294 02082294 03082294 04082294 .LOCATION Frame Area, west wall Boiler Room Field blank Field blank Huntingdon Engineering & Environmental, Inc. P.0. Box 224227 2575 Lone Star Drive Dallas, Texas 75212 Telephone: (214) 631-2700 FAX: (214) 920-1891 Report Date: Date Received: Report Number: August 24, 1994 August 24, 1994 9408179 VOLUME (LI 1199 1206 HlEBSJmiX <0.004 <0.004 0.0/100 fids. 0.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical TtM (PAT) Program, Laboratory I.D. No. 75212-001. HUNTINGDON ENGINEERING A ENVIRONMENTAL, INC. Analyst: ^JoMAa^TGianiiOQ :kz Industrial Hygiene Technician beOur tad ropostt an far the axckiaive um of tbs client to whoa they at* aidnwttd. The imm sad reports dull not npradueed except ia M wash** theapprwal oftto tj^ The use ofour Mins nut receive our prior written approvsl. r SOUTHWESTERN LABORATORIES tmvtommtmsi migme*wM tnsiMtrimg, mmds$&wc$i*t, metattwegkml mi mmfyiktsi iniui 8979 Lcr* Star Drws P O- Sox 824827 D*ia. Dmm 75222 214/2B3-1133 AReport of test on: $ _______ __ Date tested Project: ^t "^TA&lCsIdQYLb Number: Sample Number /ID location I Pump | 1 Number | Time Flow 1 I Fibers 1 Fibers | and I Det. | per | per Volume 1 Limit | Field | cc j $fc?aagt| dloU-tfij j a5o oveta^ ---------------------------- 1 Wfi ._J .. _ <46lt4. l/Hin Elapsed 4. mi A1*M L j Off tte4,oi *: L/H1n Elapsed eboit _ L Off On l/Mln Elapsed Off L O' L/Min Elapsed L bfr On urn Elapsed L Technician: CIH/IH: Type of Activity: smarts: Analyst: Manager: Decontanrlnation Background Abatement . .......... "I 1________ Chain of Custody: "5476 HOUSTON EMUA1 AutTM affiAUMQrirr OOMHOK SALWCHUTON COUNTV NO ORAM3C VXUJV ALJPIANON1A SAN ANTONfO PORT WORTH LOHWVXA.* MOUMO MONRO* SMWP^SeoWT TKXAISCANA * WURMAN 3d T68 1681 026 M2:0H 131 twi/hs :ai 0;tt con tt.-pz-zm Report of: Report to: SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lone Star Driva Dallas, Texas 75222 214/631*2700 Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: April 8, 1993 March 19, 1993 9303258 Identification: 206 E. Belknap, Jacksboro, TX SAMEUELMQi 01031893 02031893 03031893 04031893 05031893 06031893 07031893 LOCATION Boiler Room, on top of Boiler , Boiler Room, south wall Frame Area, south wall Power Area, northeast wall AC Equipment Room Field Blank Field Blank VOLUME fL) 1124 1091 1070 1068 1070 PEERS PER CC <0.004 <0.004 <0.005 <0.005 <0.005 1.0/100 fids. 1.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory l.O. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: \JU ffi :kz nejntaLand Analytical Services Our letters and reports its for the exclusive use of the client to whom they an addressed. Tha letters and reports dial! not be reproduced except in full without the approval of the testing laboratory. Tha uae of our name naiat recarve our prior written approval. 60*477 SOUTHWESTERN LABORATORIES Report of: Report to: P.O. Box 224227 2575 Lon* Star Oriv* * Dallas, Taxaa 75222 214/631*2700 Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Receded: Report Number: August 23, 1993 August 11,1993 9308091 Identification: 800 W. Crawford, Denison, TX SAMPLE NO. 01080493 02080493 03080493 04080493 05080493 06080493 07080493 LOCATION Basement, Emergency Engine Room Basement, Mechanical Equipment Room, next to AHU #0401 Basement, Mechanical Equipment Room First floor, #15 ESS Room between AHU's #0103-1 and 0103-2 First floor, center of Switch Room Field blank Field blank VOLUME (LI 1087 1080 FIBERS PER CC <0.005 <0.005 1087 <0.005 1080 <0.005 1080 <0.005 0.0/100 fids. 0.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: :kz Our letters and report* art for the exclusive use of the client to whoa they are addressed. The letters and reports tosH not he reproduced except in fttU without the approval of the (sating laboratory. The uat of our name must receive our prior written approval. Co4478 u ^ t> SWl ' P.o. Sox 224227 SOUTHWESTERN LABORATORIES 2575 Lone star Drive Deltas, Texas 75222 e 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Elida Barfield One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: April 27, 1994 April 21, 1994 9404170 Identification: PM 720, Little Elm, TX SMffiLim 01041994 02041994 location Basment, AHU Field blank VOLUME (L) 1154 <0.004 0.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400, SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (FAT) Program, Laboratory i.D. No. 75xi2-001. SOUTHWESTERN LABORATORIES, INC. Our letters and reports are for the exclusive uae of the client to whom they are addceased. The letters and reporta dull not be reproduced except in hill without the approval of the testing laboratory. The use of our name must receive our prior written approval. Gvi479 SWL P.o. Box 224227 SOUTHWESTERN LABORATORIES 2575 lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Elida Barfield One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: April 27, 1994 April 21, 1994 9404170 Identification: FM 720, Little Elm, TX SAMELEUfl* 01041994 02041994 LOCATION Basment, AHU Field blank YflUMEJU 1154 FIBERS PER CC <0.004 0.0/100 fids. Analysis performed by Phase Contrait Microscopy in accordance with NIOSH Method 7400. SwL Dailaa it rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program. Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: :kz Our letter* and reports are for the exclusive use of the client to whom (hey are addressed. The letter* and reports dull not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. C0K8O SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services ZS7S Lone Star Drive P. O. Box 22-4227 Dellas. Texes 75222 214/283-1133 Report of test on: A `Sixi-/< Date tested Project: ^^ 7 & TrfnfTJlju Sample Number / ID Location A {4 i( 30^t^(I Lab Number: Pump Number Time Flow and Det. Volume Limit Wiotf li&kll L/Min A ^11 L Off On L/Min Elapsed Off L On Elapsed Off L/Min L On L/Min Elapsed Off On L L/Min Elapsed L Fibers Fibers per per Field cc Technician: CIH/IH: Type of Activity: amarks: Analyst: Manager: Decontamination____ Background Abatement Chain of Custody: HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY WO GRANDE VALLEY ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN Su>L SOUTHWESTERN LABORATORIES o Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services S P.O. Box 224227 # 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: Aug. 3 , 1992 July 24, 1992 9207227 -h 3C 4,4 Identification: 307 S. Fifth, Honey Grove, Texas On July 23, 1392 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 307 S. Fifth in Honey Grove, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME (L) FIBERg..PER^C, 072392 SWBHG-01 1st Floor, Fan Room 1375 0.004 - 7 Analysis performed by Ptuse Centrist Microscopy in accordance with NTOSK Method 7400. SwL Dillis is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212001. SOUTHWESTERN LABORATORIES, INC. d Analytical Services Our leOert and reports are for the exclusive uae of the client to whom they an addraaeed. The ictten and reports shall not be reproduced except in full without the approval of the teatinf laboratory. The uae of our name must receive our prior written approval. Go4482 StL SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lon* Star Oriv* Dallas, Taxas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: March 29, 1993 March 16, 1993 9303199 Identification: 307 S. Fifth St., Honey Grove, TX SAMPLE NO. 01031693 02031693 03031693 04031693 05031693 LOCATION Emergency Room, AC-area Toilet In C.O. near back wall Field blank Field blank VOLUME (LI 1082 1077 1080 FIBERS PER CC <0.005 0.010 <0.00S 2.0/100 fids. 1.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory l.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst:. M Cyle Burroughs :kz Environmental and Analytical Services 0jr letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in hill without the approval of the testing laboratory. The use of our name muit receive our prior written approval. C o 4433 S<vL ? / SOUTHWESTERN LABORATORIES \> Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 lon Star Drive e Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: September 10, 1992 September 3, 1992 9209047 Identification: 307 N. Kentucky St., McKinney, TX On September 3, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 307 N. Kentucky St. in McKinney, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE NO, LOCATION VOLUME (Li FIBERS PER CC 090392 SWB-01 Field blank 0.0/100 fids. 090392 SWB-02 Field blank 1.0/100 fids. 090392 SWB-03 Basement, Air Handler/Chiller Room 1250 <0.004 090392 SWB-04 Basement, Battery Room 1300 <0.004 090392 SWB-05 1st floor. Engineer's Office, center of room 1200 <0.004 090392 SWB-06 1st floor. Air Handler Room 1170 <0.004 090392 SWB-07 1st floor, northwest comer of Telephone Equipment Room 1180 <0.004 090392 SWB-08 2nd floor, center of west end of Operator's Room 1210 0.006 090392 SWB-09 2nd floor, center of east end of Operator's Room 1161 0.009 090392 SWB-10 2nd floor, Toll Terminal Room 1131 <0.004 C^4484 SOUTHWESTERN LABORATORIES, INC Report No: Report of: Reported to: PAGE 2 of 2 9209047 Air Monitoring Southwestern Beil Telephone SAMPLE NQ, LOCATION 090392 SWB-11 3rd floor. Mechanical Room, center of room VOLUME (L) FIBERS PER CC 1190 <0.004 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program. Laboratory i.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Kyi Enviroi Analytical Services Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in lull without the approval of the testing laboratory. The use of our name must receive our prior written approval. / Swl SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 117 San Antonio, Texas 78216 Report Date: Date Received: Report Number: February 18, 1992 February 14, 1992 9202149 75 U ^ Identification: 307 N. Kentucky, McKinney, Texas On February 14, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 307 N. Kentucky in McKinney, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME (LI FIBERSPER CC 021492 SWB-01 Field blank 1.0/100 fids. 021492 SWB-02 Field blank 0.0/100 fids. 021492 SWB-03 1st floor. Air Handler Room 1209 <0.004 021492 SWB-04 Basement, Chiller Room 1274 <0.004 021492 SWB-05 2nd floor. Toll Terminal Room, south wall 1125 <0.004 021492 SVVB-06 2nd floor, Lounge, south wall 1089 <0.004 021492 SWB-07 2nd floor. Operator area, west wall 1395 0.004 021492 SWB-08 Penthouse, Air Handler Room 1163 <0.004 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program. Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst ec-6-t. Bob Garrett, Manager Environmental and Analytical Services Our letter* and reports are for the exclusive use of the client to whom they are addressed. The letter* and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. G O -^i**88 SWL ' ' P.O. Box 224227 SOUTHWESTERN LABORATORIES 2575 Lon* Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Beil Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: July 26, 1993 July 13, 1993 9307083 Identification: 307 N. Kentucky, McKinney, TX T306 r>- SAMPLE NO, 01070793 02070793 03070793 04070793 05070793 06070793 07070793 LOCATION 1st floor, Air Handler 1st floor, Engineering 2nd floor. Opr. Mgr. Area 2nd floor. Lounge 2nd floor. Central Office Field blank Field blank VOLUME (L) 1092 1082 1068 1087 1089 FIBERS PER CC <0.004 <0.005 <0.005 0.007 <0.005 0.5/100 fids. 0.0/100 fids. Analyiii performed by Phase Contras Microecopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWES LABORATORIES, INC. Analyst:. 'l\JtAJLrytL' Our letter* and reports are for the exclusive use of (he client to whom they reproduced except in fall without the approval of the testing laboratory. The use of i shall not be t receive our prior written approval. 0^*4487 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical entineering, nondestructive, metallurgical and analytical services 2979 Lana Star Orfva R O. Box 224227 Dallas. Taxaa 75222 214/263-1133 Asbestos Atr Report of test on: * 7 7 13Date tested: - ` fi Ker^vieWM Project: fttto'. 9ahecta^ PeJUrSeK Lab Number: Sample Number /ID Location Pump Number f Time Plow and Det. Volume Limit Fibers per Field WKc fss Mis_____ ___ 0/O7C7V totJbUBL* 0nt\'f5 L/Min Elapsed &-tUL. M) offj5o OnlO^ `i-.si L/Min 02076713 mi's Elapsed $Ao L OPi i Hi ....-JB& " off537 4-. 4$ Pnf;57 L/Min ivi7 Elapsed 3.40 L W676713 Offjoo 4-S3 Dn| |',oo L/Min Elapsed toil L **>t> ft*- Di<n<n<Q aeeicS Off On// L/Min Elapsed JOtf 0140 l Fibers per cc Technician: CIH/IH: Type of Activity: Remarks: Analyst: Manager: Decontamination Background Abatement Chain of Custody: HOUSTON DALLAS AUSTIN BEAUMONT CONROS OALVBSTON COUNTY mO ORANOS VALUEV ALSXANOWA SAN ANTONIO PORT WORTH UEESVtLLS MIDLAND MONROE SHREVEPORT * TEXARKANA SHERMAN f1 \J O SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering. nondestructive, metallurgical and analytical services 2373 Lomu Star Oriv P O. Box 224227 Dallas. 7)oxm 75222 Si 4/253-1133 Report of test on: - A'ibfik'i Arif Mnt'brirO Date tested: Project: 7 A/- iden-btklj-M- jinne^ Lab Number: Sample Number / ID Location field {>* fe'iu &la Pump Number Time Flow and Det. Volume Limit Off On Elapsed Off L/Mln L On L/Mln Elapsed Off L On L/Min Elapsed Off L On L/Min Elapsed Off On L L/Min Elapsed L Fibers I Fibers per per Field cc Technician: ________ Analyst: Chain of Custody: CIH/IH: __________________ Manager: Type of Activity: Decontamination Background Abatement Remarks: i> o 4489 HOUSTON fm I AUSTIN SSAUMONT GONRO* (3AIVSSTON COUNTY AO ORANOS VOUJFf AJ.BXANORIA SAN ANTONIO TORT WORTH USBSVRJ-S MOONO MQNROS SHRJEVSRORT TSXARKANA SHiflMAN Huntingdon Engineering and Science for a Safer Environment P.O. Box 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Elida Barfield One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: July 15, 1994 July 8, 1994 9407038 Identification: 1414 Bowie, Fort Worth, TX SAMPLE NO, 070794 B-01 070794 B-02 070794 B-03 070794 B-04 070794 B-05 070794 B-06 070794 B-07 070794 B-08 070794 B-09 070794 B-10 070794 B-ll MMIAHQM Field blank Field blank 3rd floor. Switch Room 2nd floor. Conference Room 2nd floor, Fan Room 1st floor, A/C Equipment Room 1st floor, Power Room 1st floor, Switch Room Basement, Mechanical Room Basement, Lounge area Basement, Office area VOLUME fL) 1824 1752 1812 1740 1716 1728 1704 1728 1644 FIBERS PER CC 0.0/100 fids. 0.0/100 fids. <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 Analyst! performed by Phaae Contra* Microacopy in accordance with NIOSH Method 7400, SwL Dallaa it rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program, Laboratory l.D. No. 75212-001. Our letters and reports are for the exclusive use of the client to whom they an addressed. The letters and reports ahall not be reproduced except in full without the approval of the tasting laboratory. The uae of our name mu* receive our prior written approval. C,,44S0 S&L SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Sox 224227 2575 Lon* Star Drive Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: April 8, 1993 March 19, 1993 9303259 Identification: 1414 West Bowie, Fort Worth, TX SAMELEm 06031793 07031793 02031793 03031793 05031793 01031793 04031793 08031793 09031793 10031793 LQCAUQM 2nd floor, Fan Room 3rd floor. Fan Room A Basement, beside AHU Equipment Area Basement, Emergency Engine Room Basement, Fan Room beside blower to first floor Basement, Emergency Engine Room, Equipment area, beside Chiller Basement, Fan Room, blower for 2nd floor 1st floor, AC Room, Fan Room Field blank Field Blank VOLUME (LI 1094 1084 1213 1179 1141 FIBERS PER CC <0.004 <0.005 <0.004 <0.004 <0.004 1202 <0.004 1139 <0.004 1074 <0.005 0.0/100 fids. 0.0/100 fids. Analysis performed by Phase Contrsal Microscopy in accordance with NIOSH Method 7400. SwL Dallai ia rated proficient by the NIOSH Proficiency Analytical Tea (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC Analyst: :kz Our letters and reports an for the exclusive use of the client to whom they an addressed. The letters and reports aball not be reproduced except in foil without the approval of foe testing laboratory. The use of our name must receive our prior written approval. 4491 S&L SOUTHWESTERN LABORATORIES Report of: Report to: Materialt, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P-0. Bo* 224227 2575 Lor** Star Drive Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, TX 78216 Report Date: Date Received: Report Number: November 11,1992 November 09, 1992 9211087 Identification: 1414 Bowie St., Fort Worth, Texas On November 9, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell Building located at 1414 Bowie St. in Fort Worth, Texas, to provide prevalent air monitoring services. The results of the air samples collected are as follows: SAMPLED 110992 SWB-01 LflCATKffl Field Blank YQLUmfLl FIBERS PER CC 0/100 fids. 110992 SWB-02 Field Blank 2.5/100 fids. 110992 SWB-03 Basement, Fan Room 1141 <0.004 110992 SWB-04 Basement, Diesel Engine Room 1131 <0.004 110992 SWB-05 Basement, Break Room 1161 <0.004 110992 SWB-06 1st Floor, Air Handler Room Center of East End of Floor 1151 <0.004 110992 SWB-07 1st Floor, Switch Gear/ Battery Room, Far North End of Floor 1161 <0.004 110992 SWB-08 2nd Floor, North End of Floor 1091 <0.004 110992 SWB-09 3rd floor. Air Handler Room North End of Room 1071 0.006 Analysis performed by Phase Coon* Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory f-D- No. 75212-001. Our letters and reports are for tfaa exclusive use ofthe client to whom they are addressed. Tbs letters and reports shall not be reproduced except in foil without the approval of the Matin# labonloqr. The um ofour name must receive our prior wrinea approval. Su>L torTi y4 SOUTHWESTERN LABORATORIES &/ Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2575 Lon* Star Drive P.0. Box 224227, Dallas, Texas 75222 e 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Mr. Joey Grubbs One Bell Plaza, Rood 910 Dallas, Texas 75202 Report Date: Date Received: Report Number: August 19, 1991 August 8, 1991 9108065 Identification: 3901 S.W. Loop 820, Fort Worth, Texas On August ?, 1991 a representative from Southwestern Laboratories Inc., (SwL) was at Southwestern Bell Facility located at 3901 S.W. Loop 820 in Fort Worth, Texas to provide prevalent air monitoring during normal working activities. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME it) FIBERS PER CC 080791 SUB-01 Field blank 0.0/100 fids. 080791 SUB-02 Field blank 1.0/100 fids 080791 SUB-03 Basement, air handler room 1050 <0.005 080791 SUB-04 Basement, mechanical room 100 <0.005 080791 SUB-05 1st floor, billing office near south wall 1020 <0.005 080791 SUB-06 2nd floor, air handler room 1050 0.007 080791 SUB-07 2nd floor, office area 1050 0.008 Analysis performed by Phase Contrast Microscopy in accordance with NI0SH Method 7400. Sul Dallas is rated proficient by the N10SH Proficiency Analytical Test (PAT) Program, Laboratory I.0. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Bob Garrett, Manager Environmental and Analytical Services Our totters and reports are for the exclusive use of the dtoflt to whom they are addressed The totters end reports the* not be reproduced except in M wtmout the approve! of fhe testing laboratory. The use of or name must our prior written approval 4493 S^l 6^ SOUTHWESTERN LlAABi ORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2S7S Lone Star Driv* o Oatlas, Taxas 7S222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, IX 78216 Identification: 39C. S.W. Loop 820, Fort Worth, Texas Report Date: Date Received: Report Number: f3 November 11,1992 November 10, 1992 9211088 On November 9, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell Building located at 3901 S.W. Loop 820 in Fort Worth, Texas, to provide prevalent air monitoring services. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME fLI FIBERS PER CC 110992 SWB-01 Field Blank 1.5/100 fids. 110992 SWB-02 Field Blank 2/100 fids. 110992 SWB-03 1st floor, Commercial Dept. East end of floor 1081 0.006 110992 SWB-04 1st floor. Commercial Dept. West end of floor 1051 0.006 110992 SWB-05 Basement, Boiler Room 1141 <0.004 110992 SWB-06 Basement, Mechanical Room 1071 <0.005 110992 SWB-07 Basement, Pioneer Room Center of Room 1052 0.007 110992 SWB-08 2nd Floor, Air Handler Room 1042 0.010 110992 SWB-09 2nd floor, R.T.O.C. East End of Room in42 0.010 terfonned by Phaae Contram Mkroeeopy in accordance with NIOSH Method 7400. SwL Dalle* is rated proficient by the NIOSH Proficiency Analytical Te* (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: And Kyle Burroughs / :kz Environmental and Analytical Services Our letter* and report* an for the axskuive use of the client to whom iwy an addressed. The letters and npotts dull not be reproduced except in ftill without the approval of the (eating laboratory. The use ofour name must receive cur prior written approval. S>L SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Sox 224227 2575 Lone Star Drive e Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 117 San Antonio, Texas 78216 Report Date: Date Received: Report Number: March 11, 1992 March 5, 1992 9203060 Identification: 3901 SW Loop 820, Fort Worth, Texas On March 5, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 3901 SW Loop 820 in Fort Worth, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME IL] FIBERS PER CC 030592 SWB-Oi Field blank 0.0/100 fids. 030592 SWB-02 Field blank 0.0/100 fids. 030592 SWB-03 Basement, Lounge 1881 <0.003 030592 SWB-04 Basement, Mechanical Room near hallway 1617 <0.003 030592 SWB-05 1st floor, west side 1772 <0.003 030592 SWB-06 1st floor, east side 1565 <0.003 030592 SWB-07 2nd floor, Mechanical Room 1400 <0.003 030592 SWB-08 2nd floor, center 1400 0.005 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program. Laboratory I.D. No. 752124X11. SOUTHWESTERN LABORATORIES, INC. Analyst: Bob Garrett, Manager Environmental and Analytical Services Our letteri and reports are for the exclusive use of the client to whom they are addressed. The letters tnd reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. ^ Huntingdon Engineering and Science for a Safer Environment P.O. Sox 224227 2575 Lone Star Drive e Dallas, Texas 75222 e 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Eiida Barfield One Bell Plaza, Room 910 Dallas, IX 75202 Report Date: Date Received: Report Number: July 15,1994 July 8, 1994 9407039 Identification: 3901 Southwest Loop 820, Fort Worth, TX SAMPLE NO, 070794 SW8-01 070794 SW8-02 070794 SW8-03 070794 SW8-04 070794 SW8-05 070794 SW8-06 070794 SW8-07 070794 SW8-08 070794 SW8-09 LOCATION Field blank Field blank 2nd floor, RTOC 2nd floor, AHU Room 1st floor. Commercial Dept. 1st floor, hallway Basement, AHU area Basement, Boiler Room Basement, Telephone Room VOLUME (L) 1236 1236 1200 1176 1200 1188 1176 FIBERS PER CC 0.0/100 fids. 0.0/100 fids. 0.004 <0.004 0.004 0.005 <0.004 <0.004 <0.004 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400, SwL Dallas is nted proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory l.D. No. 75212-001. HUNTINGDON ENGINEERING & ENVIRONMENTAL, INC Analyst '4 :kz Industrial Hygiene Technician Our tetters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. Col49G SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2373 Lorm Star Drfva P . Sox 224227 Dallas. Taxas 75222 214/233-1 133 Technician: ____ ________________ Analyst: ______________ CIH/IH: _______________ _ Manager: _ Type of Activity: __ Decontamination Background Abatement Remarks: _______________ Chain of Custody: HOUSTON riAi I art AUSTIN BCAUMONT CONROe GAUVESTON COUNTY WO GRAND* VALLBY ALEXANDRIA SAN ANTONIO FORT WORTH LSESVILLE MIDLAND MONRO* SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Report of: Report to: P.O. Box 224227 2575 Lon* Star Drive Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 7S202 Report Date: Date Received: Report Number: June 7, 1993 June 1, 1993 9306007 Identification: 3901 S.W. Loop 820, Fort Worth, TX SAMMUQs 01052693 02052693 03052693 04052693 LOCATION Boiler Room Mechanical Room duller Area 2nd floor. Fan Room Field blank Field blank miMEiLl 1075 1075 1084 1070 FIBERS PER CC <0.004 <0.004 <0.004 0.013 0.0/100 fids. 2.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst:^ :kz Oir letters and reports an fee the excluaive uas of the client to whom they an addressed. The letters and report* shall not be reproduced except in fttll without the approval of the testing laboratory. The use of our name must receive our prior written approval. SWL P.O. Box 22422? SOUTHWESTERN LABORA TORIES 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Elida Barfield One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: June 30, 1994 June 29, 1994 9406218 Identification: 3516 Irene, Fort Worth, TX SAMPLE NO. 062894 1-01 062894 1-02 062894 1-03 062894 1-04 062894 1-05 062894 1-06 062894 1-07 Field Blank Field Blank Club Room Men's Restroom Office Small Office Construction Room VOLUME 0,1 1104 1068 1080 1080 1080 FIBERS PER C 1.5/100 fids. 0.5/100 fids. <0.004 <0.005 <0.005 <0.005 <0.005 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is fcy the Proficiency Analytical'res? tPAT) Prc^ren;* Laboratory LD. Nc. 75212 001, Analyst SOUTHWESTERN LABORATORIES, INC. Our letters tad reports ire for the exclusive use of the cheat to whom they ire addressed. The letters sod reports shall not be reproduced except in hill without the approval of the testing laboratory. The use of our name must receive our prior written ipprovil. &o4499 SWL P.Q. Sox 224227 SOUTHWESTERN LABORA TORIES 2575 tone Star Drive Dallas, Texas 75222 e 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Bill Freeman One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: April 27, 1994 April 22, 1994 9404201 Identification: 7201 S. Polk, Dallas, TX SAMMNfl, ` 01042194 02042194 03042194 03042194 kacAjiPN' 1st floor. Janitors Room 1st floor, Lounge Field blank Field blank VOLUME fL) 1084 1077 FIBERS PER CC <0.004 <0.004 0.0/100 fids. 1.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient bv the NIOSH Proficiency Analytical Test iPAT) Program, Laboratory l.D. No. 75212-001. Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. Cj45G0 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2S7S Lon Star Ortvs R O. Box 334337 Dallam. Tfcxaa 75222 214/2B3-1 133 Report of test on: - f]S, TJ^kT Date tested: > ^ ' Z /- <? o Project: Sample Number /ID 02 uvf 2 I L)f C5 ? U-14 VU.K A Z?'-~ Location / LX Xc T/w.-ro^r /u A sL X Lab Number: Pump Number Time Flow and Det. Volume Limit Off, 2. A nnr Otp On /'.'-iA L/Min Elapsed lo'^S L Off 2 2. /i- On /. /r L/Min Elapsea /uru L Off On L/Min Elapsed Fibers per Field Fibers per cc a .. b 2 / f, e LJ ~R L * ^ A: Off On L/Min Elapsed Off On Elapsed L/Min Technician: ________________ Analyst: _____________ Chain of Custody: CIH/IH: ______________ Manager: _____________ Type of Activity: Decontamination Background Abatement Remarks: b 4 4501 HOUSTON n*i 1 AUSTIN BEAUMONT CONROE GALVESTON COUNTV WO GRANDE VALLEV ALEXANDRIA SAN ANTONIO PORT WORTH LEE5VILLE MiOOANO MONROE SHREVEPORT TEXARKANA SHERMAN Sw \ SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lone Star Drive Dallas, Texas 75222 e 214/631-2700 Report of: Air Monitoring Report to: Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Identification: 1446 Connors St., Dallas, TX Report Date: Date Received: Report Number: August 31, 1992 August 26, 1992 9208237 ~t"Lf 3o / 5- On August 26, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 1446 Conner St. in Dallas, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE NO, LOCATION VOLUME (L) E1BERS PER CC 082692 SWB-01 Field blank 0.0/100 fids. 082692 SWB-02 Field blank 2.0/100 fids. 082692 SWB-03 Basement, Equipment Room between Chiller and Air Handier 1220 <0.004 082692 SWB-04 Basement, Boiler Room 1190 <0.004 082692 SWB-05 Basement, Power Room, center of room 1171 <0.004 082692 SWB-06 1st floor. Network Services Room, west wall 1260 <0.004 082692 SWB-07 1st floor. Break Room 1180 <0.004 082692 SWB-08 1st floor, Mechanicai Room 1260 <0.004 082692 SWB-09 2nd floor. Network Services Room, south wall 1091 <0.004 082692 SWB-10 2nd floor, Break Room 1091 <0.004 082692 SWB-11 2nd floor, Mechanical Room 1260 Analysis performed by Phase Contraat Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program. Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC Analyst: Jkzyr^p IS. :k2 Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name tram receive our prior written approval. 0^4502 S&L SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lon* Star Drive Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas. TX 75202 Report Date: Date Received: Report Number: March 29, 1993 March 16, 1993 9303200 Identification: 1446 Conner, Dallas, TX SAMPLE NO. 01031193 02031193 03031193 05031193 04031193 06031193 07031193 Location VOLUME (L) 1st floor. Machine Room, Air Handler Room 1101 2nd floor. Machine Room #3, Air Handler Room 1079 2nd floor. Lounge 1077 Basement Mechanical Room # 11/Equipment Room 1070 Basement, Emergency Engine Room 1070 Basement, Emergency Engine Room 1070 Field blank HflERS PER CC <0.004 <0.005 0.006 <0.005 <0.005 <0.005 1.5/100 fids. Analysts performed by Phase Centrist Microscopy in accordance with NIOSH Method 7400, SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory l.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst Kyie Burroughs :kz Environmental and Analytical Services Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. Go-5503 SWL P.O. Box 224227 SOUTHWESTERN LABORATORIES 2575 Lon* Star Drive Dallas, Texas 75222 e 214/631-2700 Report of: Report to: Air Monitoring Southwestern Beil Telephone Attention: Bill Freeman One Bell Plaza, Boom 910 Dallas, IX 75202 Report Date: Date Received: Report Number: March 17, 1994 February 23, 1994 9402195 Identification: 1446 Conner, Dallas, IX SAMPLE NO. 01022294 02022294 03022294 04022294 05022294 06022294 07022294 MKMJON Basement, Emergency Engine Room Basement, Boiler Room Basement, Mechanical Room #11, Equipment Room 1st floor. Machine Room, Air Handler Room 2nd floor, Machine Room #3, Air Handler Room 2nd floor, Lounge Field blank VOLUME (L) 1082 1082 1068 FIBERS PER CC <0.004 <0.004 <0.004 1075 <0.004 1077 <0.004 1073 0.021 2.5/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. Our letters and reports are for the exclusive use of the client whom they are addressed. The letters and reports shall not be reproduced except in foil without die approval of the testing laboratory. The use of our name must receive our prior written approval. 0.-4504 SWL f P.O. Box 224227 SOUTHWESTERN LABORATORIES 2575 Lon* Star Drive Dallas, Texas 75222 * 214/631-2700 Rep irt of: R ort to: Air Monitoring Southwestern Bell Telephone Attention: Bill Freeman One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: March 11, 1994 March 7, 1994 9403072 Identification: 1446 Conner, Dallas, TX SAMPLE NO. 01030794 02030794 LOCATION 2nd floor,. Lounge 2nd floor, Lounge VOLUME (LI 1089 1072 fffiERS PER CC 0.005 <0.004 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400, SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. Go 4505 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical eneineering, nondestructive, metallurgical and analytical services 2S75 Lon* Scar Oriva P O. Box 224227 Dallas. Taxaa 75222 a 214/2B3-1 133 Report of test on: - A SA csr<^S ru Date tested: oz-ls-gy Project: 19L Cc. eg ,, D^cr Lab Number: Sample Number / ID Location Pump Number Time Flow and Det. Volume Limit 01 Ci.1 z\tf ole ZilW * 3 1 MW C1\' lilc> + B&fCrrs P/Vr.f h j /Vffl ^ *f.r/ 0n cf,;r^ L/Min K Elapsed /C/z..4 'L Off rwn 0nci:-^' *Y/M1n M f Elapsed jol^ Z-f1-' L / :< - . f'-5-- ~i. 1 Off .2l/-V - UdJ' X.-/- A T "P'.r *9 \}/VhP On - : iri Elapsed 2A=' L/Min ^ v S'. ^L Lr *i-,w Jst / /(~L"i, /Vic*ir u,p Off Cfts On S\ 6 L/Min Elapsed |o^ L 2 <TJ irsAcL'.tic Ru* K Off/, iJ/s ci-c/q "3y. A.* . thasutUrd 5^/VUp 0nf:?.^ \ L/Min Elapsed 2.H- L Fibers Fibers per per Field cc Technician: _____ ________________ Analyst: CIH/IH: __Manager: _____ Type of Activity: Decontamination____ Background Remarks: Abatement Chain of Custody: G ^ 4506 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV RIO GRANOE VALLEV ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILLE MIOUfcNO MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental anti geotechnical engineering, nondestructive, metallurgical and analytical services 2373 Lone Scar Drive R O. Box 22-4227 Dellae. Texas 75222 21-4/2B3-1 133 Report of test on: - A ILts: s Date tested: Project: /<*<, Lab Number: Sample Number / ID Location Pflqt 7 of 3. Pump Number Time Flow and Det. Volume Limit Fibers Fibers per per Field cc J2 /*/ a it t t u-u e> t*. f L i 2L *1 f.C/d Itltfsv A 1 Off/; 73/^ :i7H^ tlP L/Min Elapsed /e?2.f l Off On L/Min Elapsed Off L On L/Min Elapsed Off On L/Min Elapsed Off On Elapsed L/Min L Technician: CIH/IH: Type of Activity: Remarks: Analyst: Manager: Decontamination Background Abatement Chain of Custody: r 4507 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY WO GRANDE VALLEY ALEXANDRA SAN ANTONIO FORT WORTH LEESVILLE MIOUANO MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2375 Lon Star Drive R O. Box 224227 Dalle**. Taxes 75222 z 14/203-1133 Report of test on: - 'f\ f l? f Project: / S*-^ j-*- {Wav/V . 71k t- Qj/we*. .Da I Ur, Ti "V Date tested: o>7- o Lab Number: Sample Number /ID Location Pump Number Time Flow and Det. Volume Limit 2 *J d L o _-!{ - L. Offn.: re' a v-f /HJTAr On? L/Min Elapsed font /C vs L 1 AJ /*/<** ft -4an.o y cl. On tf; r/> L/Mln ia.f Elapsed /09 L* L Off On L/Min Elapsed Fibers Fibers per per Field cc Off On L/Min Elapsed Off On Elapsed L/Min L Technician: Analyst: CIH/IH: Manager: ________ Type of Activity: ____ Decontamination Background ___Abatement Remarks: Chain of Custody: 0.4508 HOUSTON OAU-AS AUSTIN SSAUMONT CONROE GAI.VSSTON COUNTV mQ GRANDS VAU-TT AUBKANOWA SAN ANTONIO PORT WORTH LEESVIU-S MIOLANO MONROB SHREV6PQRT TEXARKANA SHBRviAN SOUTHWESTERN LABORATORIES Report of: Report to: P.o. Box 124227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Bill Freeman One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: April 11, 1994 March 28, 1994 9403245 Identification: 2301 S. Hampton Road, Dallas, TX SA&ffiLim 01032894 02032894 03032894 04032894 05032894 06032894 LOCATION Lounge Power Room Emergency Engine Room Vacant room at south end of building Field blank Field blank VOLUME (L) 1080 1080 1068 1068 11BEBPERC <0.004 <0.004 <0.004 <0.004 0.0/100 fids. 1.0/100 fids. Analysts performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: Co4509 :kz Environmental and Analytical Services Chir letters and reports are for the exclusive use of the diem to whom they are addresaed. The letters and reports shall not be reproduced except in dill without the approval of the testing laboratory. The use of our name must receive our prior written approval. uf o SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engirstring, nondestructive, metallurgical and analytical services 9.0. Box 224227 2S75 Lon* Star Orivt Oallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, IX 78216 Report Date: Date Received: Report Number: November 11, 1992 November 05,1992 9211049 Identification: 2301 S. Hampton, Dallas, Texas On November 4, 1992 a representative from Southwestern Laboratories Inc., ISwL) was at the Southwestern Bell Building located at 2301 S. Hampton, Dallas, Texas, to provide prevalent air monitoring services. The results of the air samples collected are as follows: SAMPLE NO, 110492 SWB-01 LOCATION Field Blank MfcBMEILl FIBERS PER CC 0/100 fids. 110492 SWB-02 Field Blank 0/100 fids. 110492 SWB-03 Breakroom, Center of Room 1042 0.006 110492 SWB-04 CSC, Center of Room 1142 0.028 110492 SWB-05 Vacant Room, Center of Room Engineering Dept. 1042 0.022 110492 SWB-06 Emergency Engine Room 1161 0.005 Anaiyaii performed by Phaae Contra* Microacopy in accordance with NIOSH Method 7400. SwL Dallai ia rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program, Laboratory I.D. No. 75212-001. Sample #102892 SWB-03 wax aubmined for analyaia by Trtnamiuion Electron Microacopy (TEM) Steira electron Microacopy. Reaulta were no aabeatoa fiber* detected. SOUTHWESTERN LABORATORIES, INC, Analyst: A I*** :c Environmental and Analytical Services C.4510 Ottr letten and report! am for the axchisiv* uas of the client to whom they ara addmaed. The letter# and itpocta dull not be (produced except in ftill without the approval of the teatiag laboratory. The uw ofour name taut receive our prior written approval. S&L SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.O. Box 224227 2575 lone Star Drive Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 117 San Antonio, Texas 78216 Report Date: Date Received: Report Number: February 17, 1992 February 5, 1992 9202133 Identification: 2301 S. Hampton, Dallas, Texas On February 13, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 2301 S. Hampton in Dallas, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMFLENQ, LOCATION VOLUME (L) FIBERS PER CC 021392 SWB-01 021392 SWB-02 021392 SWB-03 021392 SWB-04 021392 SWB-05 021392 SWB-06 Field blank Field blank Operator area, center of west wall Engineering, center of south wall Main Lounge, west wall Computer Room, west wall 1.0/100 fids. 0.0/100 fids. 1015 <0.005 924 <0.005 1349 <0.004 1225 <0.004 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 752124X11. SOUTHWESTERN LABORATORIES, INC. Analyst:. e&. kz Bob Garrett, Manager Environmental and Analytical Services Gj4511 Our letters and reports an for the exclusive use of the client to whom they an addressed. The letters and reports shall not be reproduced except in fiill without the approval of the testing laboratory. The use of our name must receive our prior written approval. SWLr " P.O. Sox 224227 SOUTHWESTERN LABORATORIES 2575 Lon* Star Driv* Dilln, T*xa* 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: June 7, 1993 May 24, 1993 9305236 Identification: 2513 Sherman, Grand Prairie, TX SAMPLE NO. 01052093 02052093 03052093 04052093 05052093 06052093 07052093 08052093 09052093 LOCATION Basement, Mechanical Room, middle Basement, Business Office, southeast area 1st floor. Air Handler Room, in equipment area, south end of building 1st floor, Air Handler Room, in Central Office, north end of building 2nd floor. Air Handler Room, in Switch Room, north rad of building 2nd floor. Business Office, north end of building 2nd floor. Air Handler Room, south rad of building Field blank Field blank VOLUME (L) 1082 1084 FIBERS PER CC <0.004 <0.004 1080 <0.004 1080 <0.004 1070 <0.004 1068 <0.004 1068 <0.004 4.5/100 fids. 3.5/100 fids. Analyti* performed by Hum Cootraat Microscopy in accordance with NIOSH Method 7400. SwL Dallas ia rated proficient by the NIOSH Proficiency Analytical Teet (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. jiUjL OkAJL Analyst:. *W7 :kz Our lattsn and rcporta an for tbs exclusive um of the client to whom they an addnasnd. The letters and reports dull not ba reproduced except in foil without the approval of the testing laboratory. The um of our asms mum receive our prior written approval. pa. 1 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical entineering, nondestructive, metallurgical and analytical services 2373 Lon* Star Driva R O. Box 224227 Dallas. Taxas 75222 HI 4/263-1133 Report of test on: - flSL CS To J Date tested: djf-Jlo-<L? Project: 1 f/ 3_,, Sk eKtnAfiJ toTaj: Itzhecu* /cfemr%A/ Sample Number /ID Location Q, 7^ Lab Number: Pump Number Time Flow Fibers Fibers and Det. per per Volume Limit Field cc Offi/Vf, HSt toeckAAi'.cAf O/OfioW m Jd /c. --------- On/i.'W L/Mln Elapsed/ /% 1 EA*AA/r- 'BkVNtr. OffTay ^s-i AfK'ctt. A 42% tArr On lJ:w L/Min $ Elapsed 4#* L lS'rff+* -Ai R HAnedit 0ff3rt/^ f.s* Km , ltd Quit*An e*rr /a^ On //; 2/x L/Min A*tAj T&M7H 44 of "Bu;( oiruf Elapsed /toiT L ,(Tr /* + *-AlK Offset, Km . J* & trJTfKA l ft. 0*fOSlcQ3 "5*%; j A aj$ JmJ /Zftoie t 0n/i:ilA L/Min Elapsed 1*9* AL Offl.T^ ' && On HsXfl L/Min iVo-RTHA* tsf W./Aar Elapsed Technician: ______ Analyst: CIH/IH: ___ _____________ _____ Manager: ______ ___________ Type of Activity: Decontamination___ Background Abatement Remarks: Chain of Custody: 0^4513 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY RIO GRANDE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH UEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN fa 2 of A SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical entineering, nondestructive, metallurgical and analytical services 2573 Lena Star Oriva P. . Box 224227 Dallas. Texas 75222 214/253-1133 Report of test on: - AS IcS ryf*__________ Date tested: o 5"- ao 11 Project: S_ktfi*rs.A*- __ _____ ,, Lab Number: Sample Number /ID Location Plow Pump and Number Time Volume 5 }13 5^0r2*i3 JjjJ Offtylp H.vr . ctfft'L*.j N*n.rti taJ ITOr On mlif L/Min "Bu: let: a>5 Elapsed/ &- 4o4 2t4i Ph,*K~ Ai. /t OffHu, 1 H-.ht Ha*/J ItK. K?a*m. lfW*4 0nfl)`p L/Min IwutH +m*id if..... -- Elapsed jo (tiAjAjL. L Off P e/J fc On L/Min Elapsed L WJ 0*1 f:Ll4 1lLANt? Off On L/Min Elapsed L Off On L/Min Elapsed L Det. Limit Fibers Fibers per per Field cc Technician: Analyst: Chain of Custody: CIH/IH: Manager: Type of Activity: ____Decontamination Background____ Abatement Remarks: 0^4514 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY WO ORANGE VALLEY ALEXANDRA SAN ANTONIO FORT WORTH LEESVILLE MIOLANO MONROE SHREVEPORT TEXARKANA SHERMAN S&L SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lon* Star Oriv* Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Beil Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: May 29, 1992 May 19, 1992 9205162 ~f- (j 30x2) Identification: 1423 Small Road, Grand Prairie, TX On May 19, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 1423 Small Rd. in Grand Prairie, Texas to provide prevalent air monitoring during normal work activities. The resuits of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME (L) FIBERS PER CC SWB-01 Blank 0.0/100 fids. SWB-02 SWB-03 SWB-04 SWB-05 SWB-06 SWB-07 Blank South end of basements Air handler/Mech. room Basement mech. room West of break room, North end S.E. end of 1st floor Switching room 1st floor/Andrew's office 2nd floor/Top of North Stair Case 1018 1091 1034 1034 1163 2.5/100 fids <0.005 <0.004 0.008 <0.004 <0.004 Gj4515 SOUTHWESTERN LABORATORIES, INC Report No: Report of: Reported to: PAGE 2 of 2 9205162 Air Monitoring Southwestern Beil Telephone SAMPLE. NO, LOCATION TOIMEJL) FIBERS PER CC SWB-08 SWB-09 2nd floor. North Mech. Room/Center 2nd floor, Office Area 1149 1039 <0,004 <0.005 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. Analyst:____________ :kz SOUTHWESTERN LABORATORIES, INC. __________________ Bob Garrett, Manager Environmental and Analytical Services Cj4516 Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. SwL SOUTHWESTERN LABORATORIES \ Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Sox 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: September 14, 1992 September 10, 1992 9209082 "pf 36 9^0 Identification: 1423 Small St., Grand Prairie, TX On September 9, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 1423 Small St. in Grand Prairie, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLENO, 090992 SWB-01 LOCATION Field blank VOLUME (L) FIBERS PER CC 0.0/100 fids. 090992 SWB-02 Field blank 0.0/100 fids. 090992 SWB-03 Basement, Break Room 1032 <0.005 090992 SWB-04 Basement, Chiller Room 1052 <0.005 090992 SWB-05 .4% ftetdlea- Room 1052 <0.005 090992 SWB-06 1st floor. Switch Room, east end of room 1052 <0.005 090992 SWB-07 end of bldg. north ' 1052 <0.005 090992 SWB-0S n, aouih 1061 <0.005 090992 SWB-09 2nd floor, Switch Room, south end of room 1042 <0.005 Analysis performed by Piute Contrail Microicopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 752124)01. SOUTHWESTERN LABORATORIES, INC. Analyst Kyle Burroughs :kz Environmental and Analytical Services Our letters and reports an for the exclusive use of the client to whom they an addressed. The letters and reports shall not be reproduced except in full without the approval of the letting laboratory. The use of our name must receive our prior written approval. Gj4517 SWL P.O. Sox 224227 SOUTHWESTERN LABORATORIES 2575 lone Star Driva Oallaa, Taxa* 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Beil Telephone Attention: Rebecca Pederson One Beil Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: July 12, 1993 June 24, 1993 9306278 Identification: 1423 Small St., Grand Prairie, TX SAMPLE NO. 01062493 02062493 03062493 04062493 05062493 06062493 07062493 08062493 LOCATION VOLUME (L) Basement, A/C Equipment Room 1077 Basement, Club Room 1089 First Floor, Mechanical Equipment Room, AHU 1082 Second Floor, Mechanical Equipment Room #2.1 - AHU #3 1077 Second Floor, Mechanical Equipment Room #2.2 - AHU #4 1082 Second Floor, Switch Room, southeast wall 1082 Field blank Field blank FffiFRg PRR CC <0,005 <0.004 <0.005 <0.005 <0.005 <0.005 1.0/100 fids. 6.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program. Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. O&UjL Analyst IL /T2 Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. 0^4518 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical entineering, nondestructive, metallurgical and analytical services 2373 Lorw Scar Drive R O. Box 224227 Delias. Texas 75222 e 214/263-1 133 pg I i Report of test on: - /) S' Be. s / o-T Date tested: o L - w- J Project: ftf%3 Smal/ 4tT/y>: Tf.4 etc* PticiESW Sample Number /ID Location - Cka^j. PnAin'.e.^ 7Lab Number: Pump Number Time Flow and Det. Volume Limit Fibers Fibers per per Field CC >/ aC W<?J 0^d( lV>ij oJa(. vm fic 0ff/4VCp H.W . Pmesr.-1R*>*n /y-&r<* On $+<* L/Min W.0 Elapsed/ p*. Off /vt*, V.ry m. lutlr Oni'rrM L/Min Elapsed /oSi4 kf ft L J&SST fU-<kAejlcAl f a*.*fRwr mu OffNv H.r/ On<h^ L/Min Elapsed k f Ay* OffC(i> L bvteLAv.'CAi oH oC.iV<D M2.< l Sec.fi/< ftjroci'f4?? teea* &t.lrA.H * On 1;/^ L/Mi n Elapsed uf L `-LS'I On tu* L/Min Elapsed U f 24o L Technician: __Analyst: ______________ __ CIH/IH: Manager: Type of Activity: Decontamination____Background Abatement Remarks: Chain of Custody: IT 19 HOUSTON QAU-AS AUSTIN BEAUMONT CONROE OACVESTON COUNTV WO ORANGE VJJY ALEXANDRIA 3AN ANTCTJtO AORT WORTH t IMteviLLP MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2370 Lon* Scsr Drive R O. Box 22-4227 Dull*. Tmxmn 75222 21-4/2B3-1133 P3 1 A Report of test on: - A S Date tested: W- ?? Project: ftrun/J If. Lab Number: __ _________ Sample Number / ID Location 0 C*4aW Stq^ui Ipf.eSwitch ux/f ^arr__lj /^ // Q+d<*woiy B'tlJ IMaA. Pump Number Time Flow and . Det. Volume Limit Off i; 3> p MS* On^M L/Min Elapsed/'\ - J Off On L/Mln Elapsed Fibers Fibers per per Field cc Off On L/Min Elapsed Off On L/Min Elapsed Off On L/Mi n Elapsed L Technician: Analyst: Chain of Custody: CIH/IH: _____________________ Manager: Type of Activity: ____Decontamination Background___ Abatement Remarks: Gj 452-0 HOUSTON OALLAS AUSTIN SSAUMONT CONRQS OALVISTON COUNTY WO ORANOB VAU_fY AUSXAAfflRtJ SAN ANTONIO PORT WORTH LICSVUJ MKXANQ MONRO* SHRfSVSRORT TSXARKANA SMIRMAN A/u f : > L" SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Sox 224227 2575 Lone Star Drive e Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: November 6, 1992 November 6, 1992 9211048 Identification: 2400 S. Westmoreland, Dallas, TX On November 4, 1992 a representative from Southwestern Laboratories Inc., ISwL) was at the Southwestern Beil facility located at 2400 S. Westmoreland in Dallas, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMELEm LOCATION YQLI2MEJL1 FIBERS PER CC 110492 SWB-01 Field blank 3.5/100 fids. 110492 SWB-02 Field blank 0.0/100 fids. 110492 SWB-03 Basement, Air Handler Room, southwest end of floor 1180 <0.004 110492 SWB-04 Basement, Boiler Room, southwest end of floor 1180 <0.004 110492 SWB-05 Basement, Air Handler Room, northeast 1220 <0.004 end of floor 110492 SWB-06 1st floor, Air Handler Room, west end of floor 1359 <0.004 110492 SWB-07 1st floor, center of switch room 1329 <0.004 110492 SWB-08 1st floor, Break Room 1280 <0.004 110492 SWB-09 2nd floor. Air Handler Room, north end of floor 1270 <0.004 110492 SWB-10 2nd floor. Air Handler Room, northeast 1200 <0.004 end of floor 110492 SWB-11 2nd floor, Office, next to Break Room, northwest end of floor 1161 <0.004 ' C ^ 4521 SOUTHWESTERN LABORATORIES, INC Report No: Report of: Reported to: PAGE 2 of 2 9211048 Air Monitoring Southwestern Beil Telephone SAMPLim. LOCATION 110492 SWB-12 110492 SWB-13 3rd floor, Air Handler Room, east end of floor 3rd floor, vacant room, west end of floor miMEiU FIBERS PER CC 1051 <0.004 1091 <0.004 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. TERN LABORATORIES, INC. Analyst ital and'Analytical Services G.4522Our letters and reports are for the exclusive use of the client to whom they ere addressed. Vhe letters and reports shall not be reproduced except in foil without the approval of the testing laboratory. The use of our name must receive our prior written approval. SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical entineering, nondestructive, metallurgical and analytical services SS7S Loom Scar Drive R Q. Box 224227 Dallam. Texas 75222 214/2B3-1 133 Report of test on: \fi_5JkSJdS ft l /nifrittV Date tested : P/-IV-92 Project: ^vrk Sample Number /ID O/0HM3 Location fftrJ coo//yq3 Lab Number: A TP'I XeitccA fiey-el Pump Number Time Flow and Det. Volume Limit Fibers i Fibers per per Field cc -> off[lit nm Onil'.^o Elapsed nrr\ n>t as Off 3-'35 On ir.30 L/Min (q63 L L/Mi n Elapsed ]3o\L"tJU /J<S (fOts OZoi/Vft f/tuD Off3:tf 836l(o 0n)|;l& L/Min Elapsed 1003- L Off On L/Min Elapsed Technician: CIH/IH: Type of Activity: Remarks: Analyst: Manager: JDecontaminationBackground____Abatement Chain of Custody: 4523 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY PKO GRANDE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE MIOLANO MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Mmw*fr, matnmmnuM muni gtmdmkM nttmtrimg. mmMrnmsAm, MmBmrgim! mmd m*&*/ mn<km IBS7S Lon* Stir Oriw R D. Box 834S27 Om&sm. Itas 75222 <214/283-1133 Report of test on: -AfoP ullSlvviOVlttflf'kf. Date tested: ^ ^3 CIH/IH: ______ Manager: Type of Activity: Decontamination Background Abatement ---- Remarks: -- ----- 0^4524 HpunroN B+L-tuu* m Aummi miaumont oqmok oau/coton county mo otanoik vauucy mlmx AN ANTONO W5##T WOKfH (JOS'v'StXB MJOLANO MONfflO* TMXAWKANA BHilPIIMAN SOUTHWESTERN LABORATORIES Mate-rists, mvinmmatml mi gtetteknkm! tntimttrimg, amigstmctivg.-mtiaUiirgical mi mafyticml ttrnctt ZS7S Lena Star Drtv IRQ Box za<4SS7 Dotam. Hmmm 75222 S14/SS3-1133 .- 'f Report of test on: K Date tested: 6^-2 H7V Project: 2^0 0 (jjtT'frs*'KtLm dd Lab Number: Technician: ________ _ Analyst: Chain of Custody: CIH/IH: __________________ Manager: _ Type of Activity: Remarks: Decontamination Background___ Abatement 0^4525 ft ___ ___ HOUSTON nan i 4n,m m AUSTIN MMJMONT GONROII QAI.VSSTON COUNTV WO BRANDS VAULSY AtSXANOWA AN ANTONK3 TORT WORTH LKSMLLC MO-ANO MONRO! HiVBORT TBXARKANA SHUPMAN SOUTHWESTERN LABORATORIES Ms&sHsh, mvbmmiiiai mi gtmchttktf ttitinttrug. mmdmmeiTt, mtfaHttrguxi mi wmfytkml ssmest 2070 Lon Sear Orfvw P O. Ban <224227 * OaMui, Ttaw 75222 a14/263-1133 Report of test on: \JJ.LeX^jr Date tested: Il-^U Project: X# QJ ggrAa^R* LaaJ<L Lab Number: Technician: Analyst: Chain of Custody: CIH/IH: ________ Manager: --------------------- Type of Activity: Decontamination Background Abatement -- ftema rks: --------- ---------------- Go4526 woHouston oalxam * Austin wsaumont cdnboe oao/cton county obanoi vaujty auxanoha SAN ANTONIO POST WORTH UKSV1LUI MIOLANO MONROB SHBSVefW T8XARKANA 9HSBMAN SOUTHWESTERN LABORATORIES Report of: Report to: P.O. Box 224227 2575 Lon# Stir Drive Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Bill Freeman One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: April 27, 1994 April 22, 1994 9404200 Identification: 2400 S. Westmoreland, Dallas. TX SAMPLE NO. 01042294 02042294 03042294 04042294 05042294 06042294 07042294 08042294 09042294 10042294 LOCATION Baaenmt, Emergency Engine Room Basement, Boiler Room Basement, Fan Room B Basement, Mechanical Equipment Room Basement, Fan Room A Third Floor, Fan Room A Second Floor, Fan Room B First Floor, Fan Room B Field blank Field blank VOLUME fLI 1080 1075 1068 1068 1077 1082 1077 1082 FIBERS PER CC <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 0.0/100 fids. 0.5/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: :1a tet!MtaaadrepMafwttoexcluiKWtiaeolttoctatowllMMteyaroadfa^^ The Setters and reports Ruth not be rapewhe4 except m fitO whhMdte approval ofthe testing laboratory. The use of our name must receive our prior wriowt approval. pi u Upp c, SWL SOUTHWES'TERN LABORATORIES Report of: Report to: Mmrtuls, tmirmmmtai mi gtettchmiad tngimsrimg, mmimmabm, uwMhirgkmi mi mmlytiemi Harrietts P.0. Sox 224227 2575 Lone Star Drtva Air Monitoring Southwestern Beil Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 > Dallas, Texas 75222 Bfpwrt Pttft Bate leonsred: Report Number: 214/631*2700 November 19,1992 November 12,1992 8211134 f^yoc v Identification: 1255 Tavaros, Dallas, Texas On November 12, 1992, a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 1255 Tavaros in Dallas, Texas to provide prevalent air monitoring. The results of ths air samples collected are as follows: SAMPLE NO. 111292 SWB-01 LOCATION Field Blank VOLUME (LI mERSPER 0/100 fid. 111292 SWB-02 Field Blank 0/100 fid. 111292 SWB-03 Basement, Machine room 1071 <0.00$ 111292 SWB-04 111292 SWB-05 111292 SWB-06 111292 SWB-07 Basement, Boiler room Baaemenl, Emergency engine room First floor. Air handler room First floor. Switch room, Center of room till <0.004 1061 <0.005 1S28 <0.003 1498 <0.003 111292 SWB-08 Second floor. Air handler room 1557 <0.003 111292 SWB-09 Third floor. Air handler room 1538 <0.003 111292 SWB-10 111292 SWB-11 Fourth floor. Air handler room Fifth floor. Air handler room 1071 1042 <0.005 ^"o.oo^) 111292 SWB-12 Fifth floor, Davis OSC, North end of room 1052 <0.005 Amlyaa pwfocmad by Ffcaa* Oortnut MktQaeopy ta aeaorteM wiA NIOSH Method 7400. SwLDaDacia rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program, Laboratory I.O. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. ^Jonathan C&risdo KW" m Cj4528 Environmental and Analytical Services Ow taim tad Hfartg an for iim c*ft fc M aw oTte stag to wfcoai foqr an aMmaid. TteSattwstrfrafcrt *#!*& Ths ms ofaaraawawsnMl*aasr|dsvillieiffnmL SWL P.O. Box 224227 SOUTHWESTERN LABORATORIES 2S75 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: August 3, 1993 July 19, 1993 9307167 Identification: 1255 Tavaros SAMELE-NQs 01071593 02071593 03071593 04071593 05071593 06071593 07071593 08071593 09071593 10071593 LOCATION Emergency Engine Basement, small Air Handler Boiler Room Power Room Basement, Chiller 1st floor. Air Handler 2nd floor, Fan Room 3rd floor. Fan Room 4th floor. Fan Room 5th floor. Fan Room Field blank Field blank YQyMJLl 1073 1085 1078 1073 1080 1085 1073 1085 1094 987 BEERS PER, cc <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.004 <0.005 0.0/100 fids. 0.5/100 fids. Analysis performed by Bum Coattail Microscopy in accordance with NIOSH Method 7400. SwL Dallaa ia rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst:, Go 4529 Analytical Services Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in foil without the approval of the testing laboratory. The use of our name must receive our prior written approval. SOUTHWESTERN LABORATORIES Materials, mvinmmemtml ami geeteshaical tntintermg, memdesSructim, metallurgical ami aaafytical services SSS7B Lonm 6tear Oriva RO. Box 824227 DaMM. Th 75222 a 14/263-1133 Report of test on: -flciv^SfosAtr Mofutvn/ia Date tested: lIlsJ'O Project: ^~Sil3 <T^s/^np<Si lab Number: A^r; j2tJmULQ^ Sample Number / ID location Pump Number Time Flow Fibers Fibers 1 and Det. per per Volume limit Field cc 1 dfOIISIB HCiiiiMaf*69* is Mr eo7ic^"i Hfw S*^y Off}}`3 W OrTfS^ ' l/Mln Elapsed 1073 MO l Off/i:^ f.sz (xtrstf. L/Mln Elapsed ms 040 L C3eThSs?'i ,- Ul"Beil ff hy. *7(t7 mnr^ t% Elapsed &Ho L/Min |o?S L OMoKSfll 0ff\x.o3 ^.47 \WStp\Wg- ^SJSMf L l/Minj1 ^ _**. !. w1 ------------------ nnM Onfto3 ML b ftr.. NSr \ifc H.soOf^u;ob, , Onf: d lL/Mln Elapsed !0$O mo L i i Technician: --____________ Analyst: __Chain of Custody: CIH/IH: Manager: Type of Activity: ____Decontamination Background Abatement Remarks: Go4530 HOUSTON OWXU AUOTM SSAUMONT CONWOB OAU/WiTON COUNTY PHO CPIANOB VAIIIY AUSXANOWA BAN ANTONIO FOf=IT WOWTH LBBSVKX* MIOUANO * MONPDOC aHMMKPORT TSXAMKANA BHimMAN 1 ^SdUTHWESsilTlBi"ffNBth. Ig glndJAiBIBIu'^lfFlli^AV'rVWmiilpSil<I Materials, enrinrnmeml and geotechnical entinetring, nondestructive, metallurgical and analytical services 2070 Lama Btar Ortvs P. O. Bax 224227 Della, ISxm 75222 ai 4/283-1133 Report of test on: Abesbs A/* MoArkzrtAs^ Date tested: jtsl^3 Technician: __ _ CIH/IH: __ Analyst: Manager: Chain of Custody: Type of Activity: Decontamination__ Background____Abatement Remarks: C,,4531 HOUSTON run i^K- AUSTIN MKAUMONT CONPOII OALVSSTON COUNTY WO QFtANOK VAUJV AUIXANORA BAN ANTONIO OQffT WOWTH LBKSVILUI MIDLAND MONHOC 8HRCVBPOIRT TSXARKANA IHtBMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, mwMkstrmctive, metallurgical ami mmfytkml services 2070 Lana Sear Drtva R O. Box 224227 * OaWaa. Taxa 75222 214/263*1133 Report of test on: - Hi f Date tested: ?^(S| $3 Technician: CIH/IH: Type of Activity: Remarks: ________ Analyst: Chain of Custody: Manager: Decontamination Background Abatement 11 ' Q-- 4^^2 HOUaTON nMI 1 AUSTIN BBAUMONT CONROI OALVaaTON COUNTV MO ORANOS VAtASV ALBXANORUA SAN ANTONIO TORT WORTH L*eSVKX* MIOtANO MONRO* BHRVPORT TSXARKANA awHRMAN SwL SOUTHWESTERN LABORATORIES ) Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lone Star Drive e Dallas, Texas 75222 e 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Identification^ 14 W. 9th St., Dallas, Texas Report Date: Date Received: Report Number: August 20, 1992 August 12, 1992 9208116 TQ 3/13' On August 12, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 214 W. 9th St. in Dallas, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO, 081292 SWB-01 LOCATION Field Blank VOLUME (L) HBERSPERCC 3.0/100 fids. 081292 SWB-02 Field Blank 1.0/100 fids. 081292 SWB-03 Prevalent, 1st floor. Management Office 1195 <0.004 area 081292 SWB-04 Prevalent, 1st floor. Payphone Repair Room 1214 <0.004 081292 SWB-05 Prevalent, Basement, Lounge 1364 <0.004 081292 SWB-06 Prevalent, Basement, Diesel Room 1412 0.004 081292 SWB-07 Prevalent, Basement, Boiler Room 1120 <0.004 081292 SWB-08 Prevalent, 2nd floor, Air Handler Room 1223 <0.004 081292 SWB-09 Prevalent, 1st floor, Air Handler Room 1233 <0.004 081292 SWB-10 Prevalent, 3rd floor, Room 314 1233 <0.004 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory l.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2373 Lons Scar Orfva R O. Box 224227 Dalian. Toxas 75222 214/233-1133 Report of test on: '(\ Al f A'lQY\ Ant r Date tested: CIH/IH: ______ _________ _____ Manager: Type of Activity: Decontamination___ Background____Abatement -- Remarks: ............................................................................................................................ -- ________ ___________________ _ _______ Gjj4534 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV WO GRANOS VALLEY ALEXANDRA SAN ANTONIO FORT WORTH LEESV1U.E MIDLAND MQNROS SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2S7S Lon* Sear Oriva R O. Box 224227 Dallas. Taxaa 75222 214/2B3-1133 Report of test on: M i X|x>lu,40f Date tested : PI-dA-fa Cm/IH: __ Manager: Type of Activity: Decontamination Background____Abatement Remarks: r* 4535 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY 3 GRANGE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and gtoucknical tnrineering, mniestmctive, metallurgical ami mmfytkal services ZS73 Lanm Star Drive P. O- Bax 23422T Oallmt. Ihxas 75222 m Si 4/263*1133 CIH/IH: Manager: Type of Activity: Remarks: Decontamination Background____Abatement 0^4536 HOUSTON 1-uni I *5 AUSTIN BEAUMONT CONROE GALVESTON COUNTY RIO ORANGE VALLEY ALEXANOA SAN ANTONIO PORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN sm P.Q. Box 22422? SOUTHWESTERN LABORA TORIES 2S75 Lon* Star Driv* Balias, Texas 75222 # 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: August 18, 1993 August 2, 1993 9308010 Identification: 214 W. 9th St., Dallas, TX SAMPLE NO. 01072993 02072993 03072993 04072993 05072993 06072993 07072993 08072993 09072993 10072993 11072993 12072993 13072993 LOCATION Void 1st floor, Fan Room 2nd floor. Fan Room at stairway 2nd floor. Fan Room 3rd floor. Room 328 Penthouse Boiler Room Air Handler Room Emergency Engine Room Basement, Fan Room Field blank Field blank Crawispace VOLUME (L) HIRERS PER GG 1080 1072 1082 1077 1303 1084 1080 1077 1068 1077 <0.005 <0.005 <0.005 <0.005 <0.004 <0.005 <0.005 <0.005 <0.005 0.5/100 fids. 1.0/100 fids. <0.005 Analysis performed by Phase Contrast Microscopy in accordance with NK3SH Method 7400. SwL Delia* is rated proficient by tbs NIOSH Proficiency Analytical Test (PAT) Program, Laboratory i.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: :kz Our lettars and reports srt for the exclusive use of tba client to wbom they ere addrested. The letters sad report* shall not be reproduced except in bill without the approval of the testing laboratory. The us* of our name must receive our prior written approve!. G.4537 SWL m^rn SOUTHWESTERN LABORATORIES/ 2575 LOLONE STAR DRIVE P.O. BOX 224227, DALLAS,TEXAS 75222 214/431-2700 Clint Southwestern Beil One Bell Plaza, Roost *10 Dallas, IX 75202 Attn: Ilida Barfield Project 1130 Beachview Date Saspled 04/04/93_________ Saaple Type Air ____________________________ P.O. # _______________ ________________________ MkJa 03-04-037-01 D3-04-037-02 D3-04-037-03 D3-04-037-04 Client Bo. 23740012 sport Bo. D3-0S-037 Report Date 04/09/93 14:55 Sampled By Robert garrison Transported by Robert garrison Date Received 04/05/93 Sample Identification BV-oi {Return Air Grill) BV-02 (J Lee, Cubicle) BV-03 (I Oriffin, Cubicle) BV-04 (C Miller, Cubicle) Reviewed 3y Robert Garrison, IAQ Go4538 Order t D3-0S-037 0S/09/93 14:55 Client: Southwestern Ball ____________TEST RESULTS BY SAMPLE Page 2 fiMR^Xet OUl V*0i (Return Air tlrill) Collected: 0S/04/93 Tat Name Toluene Method NIOSH 1S01 Result Units <0.05 HS/M3 Betectlon gate limit started 0.05 0S/05/93 *lvt MD dtanples 02A SV-03 (<7 Lee, Cubicle) Collected: 04/04/93 Test Name Toluene Method NIOSH 1S01 SSSHii Onits <0.05 MO/M3 jgajaplai Q3& BV-03 (I driffin, Cubicle) Collects<i: 0S/04/93 Detection Date Limit Started 0.05 05/05/93 Analyst MD Test Name Toluene Method NIOSH 1501 Result Units <0.01 MO/M3 Detection Date Limit started 0.01 OS/OS/93 Analyst MD 8Bg>le? 04A BV-04 <C Miller, Cubicle) Collactad: 0S/04/93 Teat Name Toluene Method NIOSH 1501 Result Units <0,01 MG/M3 Detection Date Limit Started 0,01 08/05/93 Analyst MD G ^ 4539 Analysis Request and Chain of Custody Record 4540 Swl SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159-Saftsggdro, Room 106 San AntoniS^Tpiis 78216 Identification: 1130 Beachview Dr., Dallas, TX Report Date: Date Received: Report Number: August 12, 1992 August 10, 1992 9208092 -f 3 O' 5* On August 10, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 1130 Beachview Dr. in Dallas, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NQ. 081092 SWB-01 LOCATION Field blank VQLilMEJL) FIBERS PER CC 1.0/100 fids. 081092 SWB-02 Field blank 1.0/100 fids. 081092 SWB-03 1st floor, center of Sales Area 1214 0.008 081092 SWB-04 Basement, Air Handler Room 1195 <0.004 081092 SWB-05 Basement, Telephone Room 1157 0.008 081092 SWB-06 2nd floor, east wall of Sales Area 1167 <0.004 081092 SWB-07 2nd floor, Conference Room 1120 <0.004 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7440. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory i,D. No. 75212-001. i ' SOUTHWESTERN LABORATORIES, INC. Analyst: Kyle Burroughs :kz Environmental and Analytical Services G 4541 Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. Swi SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Loo* Star Drive Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: March 25, 1992 March 17, 1992 9203185 Identification: 1130 Beachview Dr., Dallas, TX On March 16, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 1130 Beachview Dr. in Dallas, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: gAMPLE_NQ, LOCATION VOLUME (L) FIBERS PER CC 031692 SWB-01 031692 SWB-02 031692 SWB-03 031692 SWB-04 031692 SWB-05 031692 SWB-06 031692 SWB-07 031692 SWB-08 Field blank Field blank 1st floor, center 1st floor, Mechanical Room llttMMWit, Air Handler Room BiiM^ Boiler Room 2nd floor, Breakroom 2nd floor, north office area 1.5/100 fids. 2.5/100 fids. 1526 0.005 1478 <0.003 1478 <0.003 1564 <0.003 1355 <0.004 1355 <0.004 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 752124)01. SOUTHWESTERN LABORATORIES, INC. Analyst: &A0 Q ax Bob Garrett, Manager Environmental and Analytical Services Our letten and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written spprovii. Go4542 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical entineering. nondestructive, metallurgical and analytical services 2373 Lon Star Ortv R O. Box 22-4237 Dalis. Tsxas 75222 214/283*1 133 ?$. afi i Report of test on: - $ fLe.j Date tested: -fj Project: // 7 Q /fao*J/&.W ___ Lab Number: CIH/IH: Type of Activity: Remarks: Manager: Decontamination Background____Abatement 0^4543 HOUSTON hai i a AUSTIN BEAUMONT CONROE GALVESTON COUNTV PKD GRANOE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH UKESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 752222673 Lons Star Oriva R . Box 224227 Dalle, Taxes 214/263-1133 j>1 A ^ -i Report of test on: - Date tested: c, -rr Project: // To 2ta//4r Lab Number: _______ Sample Number /ID Location 64 td__ 6lo if 1/ F- N T 1y Pump Number Time Flow and Det. Volume Limit Off On L/Mln Elapsed/ -4 4. L Off On L/Min Elapsed Off L On Elapsed Off L/Min L On L/Min Elapsed Off On L L/Min Elapsed L Fibers I Fibers per per Field cc Technician: Analyst: CIH/IH: _________ Manager: _______________ ______________ Type of Activity: Decontamination Background Abatement Remarks: Chain of Custody: --------- ' ------ ---------------- -- ----------------------- 0.4544 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY MO GRANDE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE MIOUANO MONROE SHREVEPORT TEXARKANA SHERMAN S&L SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0, Box 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: May 3, 1993 April 29, 1993 9304319 Identification: 1130 Beachview, Dallas, TX SAMELEjm. 01042893 02042893 03042893 04042893 05042893 06042893 07042893 mCAIIQM Basement, Boiler Room Basement, Air Handler Room Basement, Telephone Equipment Room 1st floor, center Sales Area 2nd floor. Lounge Field blank Field blank VJMMEIM 1077 1075 1075 1070 1075 HBERS-FER CC <0.005 <0.005 <0.005 0.009 <0.005 2.0/100 fids. 1.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400, SwL Dallaa is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: f? .1 :kz ___ - C.4545 Kyl^urro^igbp \ Enyiipnmentaljlnd Analytical Services Our letter* and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. SwL tit SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lon* Star Oriv* Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: November 19,1992 November 16, 1992 9211163 Identification: 760 Mockingbird Lane, Dallas, Texas On November 16, the Southwestern provide prevalent follows: 1992 a representative from Southwestern Laboratories Inc., (SwL) was at Bell facility located at 760 Mockingbird Lane in Dallas, Texas to air monitoring. The results of the air samples collected are as SAMPL.E,,NQ,. LOCATION VOLUME (L) .FIBERS PER.CC 111692 SWB-01 111692 SWB-02 111692 SWB-03 111692 SWB-04 111692 SWB-05 111692 SWB-06 111692 SWB-07 111692 SWB-08 111692 SWB-09 111692 SWB-10 111692 SWB-11 Field Blank Field Blank First floor, Mechanical room First floor. Boiler room First floor. Emergency engine room First floor, Switch gear room Center of room Second floor, Fan room Second floor. Switch room, East end of room Third floor, Fan room, Northwest end of floor Third floor. Fan room. Southwest end of floor Fourth floor. Fan room, Southwest end of floor 1081 1101 1071 1200 1042 1042 1180 1180 1180 4/100 2/100 <0.005 <0.004 <0.005 <0.004 <0.005 <0.005 <0.004 <0.004 <0.004 n ireOur tetters end reports are for the exclusive use of the client to whom they addreaaed. The letters sad reports an not be reproduced except in foil without the approval ofthe te.it.int laboratory. The us* of our name mmt receive our prior written approval. SOUTHWESTERN LABORATORIES, INC Report No: Report of: Reported to: PAGE 2 of 2 9211163 Air Monitoring Gladys Haecker SAMPLE NO. 111692 SWB-12 LOCATION Fourth floor. Switch room. Center of room VOXIMEA) 1200 TOERS PER CC <0.004 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC Analyst: onathan Garrison :sj AgC t Kyle Burroughs / Environmental and Analytical Services Our letters and reports arc for the exclusive use of the client to whom they ere addressed. The team end fcpotts shall not be reproduced except in <UU without the approval of the testing laboratory. The use of our name tout receive our prior written approval. C,,4547 frx*y y "? SwL SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lone Star Drive Dellas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 117 San Antonio, Texas 78216 Identification: 760 W. Mockingbird, Dallas, TX Report Date: Date Received: Report Number: 7~V March 6, 1992 March 2, 1992 9203010 On March 2, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 760 W. Mockingbird in Dallas, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VQLUmJLl FIBERS PER CC 030292 SWB-01 Field blank 0.0/100 fids. 030292 SWB-02 Field blank 0.5/100 fids. 030292 SWB-03 1st floor, Breakroom 1588 <0.003 030292 SWB-04 1st floor. Mechanical Room #107 1408 <0.003 030292 SWB-05 2nd floor. Fan Room #213 1215 <0.004 030292 SWB-06 2nd floor, west end 1053 <0.005 030292 SVVB-07 3rd floor, Fan Room 1240 <0.004 030292 SWB-08 4th floor, east end 1470 <0.003 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. CCfaz Bob Garrett,'Manager Environmental and Analytical Services Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in lull without the approval of the testing laboratory. The use of our name must receive our prior written approval. C,,4548 sm jr^r ' P.O. Box 224227 SOUTHWESTERN LABORATORIES 2575 Lon* Star Orlv* Dallas, Taxaa 75222 214/631*2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Beil Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: June 7, 1993 June 1, 1993 9306008 03S Identification: 760 W. Mockingbird, Dallas, TX SAMPLE NO. 01052893 02052893 03052893 04052893 05052893 LOCATION Emergency Engine Boiler Room Mechanical Room 2nd floor, Fan Room 4th floor. Air Handler Field Blank Field Blank VOLUME (L) 1068 1080 1072 1068 1084 FIBERS PER C <0.004 <0.004 <0.004 <0.004 <0.004 1.0/100 fids. 1.5/100 fids. Analysis performed by Phase Contrast Microacopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program, Laboratory l.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC Analyst:.. :kz d Analytical Services Our letter* and ttpoUt an for the exehuive uae of th# client to whom they an addtwMd. The letters and report* dull not be roprodasad except ia foil without foe approval of the testing laboratory. The we of our name must receive our prior written approval. r..w'549 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2S75 Lorra Sear Driva R O. Box 224227 Oaliaa. Taxas 75222 a 214/263*1133 Technician: ___________________ Analyst: ____ ___________ __ CIH/IH: Manager: Type of Activity: ___ Decontamination Background Abatement Remarks: Chain of Custody: f. ,, 4550 HOUSTON OAUUAS AUSTIN ICAUMONT CONWO* OAt.V*STON COONTV MO ORANOC VALUSV Al^XANQMA SAN ANTONIO AORT WWTH UISSVIU.S MlOCANO MONROE HRBVSPORT TSXAMCANA SHERMAN SOUTHWESTERN LABORATORIES Materials, emrirammuntai mmi geateekaieai engineering, mndtstmctive, melaliurgieml and analytical terriers 2575 Lena Sear Orfva R O. Box 224227 Oallaa. Imxmm- 75222 214/2B3-1133 Report of test on : Oak Date tested Project: "7h0 Uj (jCtt/K- faht ttlJJ Sample Number /ID Location #* r A, 7- p r OcUlX^^' Ub Number: Pump Number Time Flow and Det. Volume Limit Off On L/Min Elapsed/ \ u l Off On L/Min Elapsed Fibers Fibers per per Field ce Off On L/Min Elapsed Off On L/Min Elapsed Off On L L/Min Elapsed L Technician: CIH/IH: Analyst: Manager: Chain of Custody: Type of Activity: Remarks: Decontamination Background____Abatement -U- u T-. <1 HOUSTON DALLAS AUSTIN BEAUMONT CONROE OALVESTON COUNTY WO SPJkNOf VALUEV ALEXANDRIA ap<j m SwL f r' b SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.Q. Box 224227 2S75 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Beil Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: November 9, 1991 October 28, 1991 9210306 Identification: 311 S. Akard, Dallas, Texas On October 28, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 311 Akard in Dallas, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAmENQ, 102892 SWB-01 LQCATOW Field Blank VOLUME (LI P1ER EERfiC 0.0/100 fids. 102892 SWB-02 Field Blank 0.5/100 fids. 102892 SWB-03 Basement, Chiller Room 1131 0.02 102892 SWB-04 Basement, Building Storage Room (Middle Room) 1657 0.005 102892 SWB-05 2nd Floor, Classroom Area, North End of Floor 1180 <0.004 108292 SWB-06 2nd Floor, Air Handler Room, Southeast End of Floor 1141 <0.004 102892 SWB-07 4th Floor, Air Handler Room Southeast End of Floor 1091 <0.004 102892 SWB-08 4th Floor, North End of Floor 1091 <0.004 102892 SWB-09 6th Floor, Air Handler Room, Northeast End of Floor 1260 <0.004 102892 SWB-10 6th Floor, Marketing Dept. South End of Floor 1250 <0.004 102892 SWB-11 8th Floor, Air Handler Room, Southeast End of Floor 1319 <0.004 102892 SWB-12 8th Floor, North End of Floor 1111 <0.004 1.4552 SOUTHWESTERN LABORATORIES, INC Report No: Report of: Reported to: PAGE 2 of 2 9210306 Air Monitoring Southwestern Bell Telephone SAMPLE NO. LOCATION 102892 SWB-13 10th Floor, Marketing Dept. Southwest End of Floor VOLUME (L) 1052 &FER.C.C. <0.005 102892 SWB-14 10th Floor, Air Handler Room Northeast End of Floor 1052 <0.005 102892 SWB-15 12th Floor, Select Business Account Group, North End of Floor 1042 <0.005 102892 SWB-16 102892 SWB-17 102892 SWB-18 102892 SWB-19 102892 SWB-20 102892 SWB-21 102892 SWB-22 102892 SWB-23 102892 SWB-24 12th Floor, Air Handler Room, Southeast End of Floor 14th Floor, Air Handler Room, Northeast End of Floor 14th Floor, South End of Floor 16th Floor, Air Handler Room, Southeast End of Floor 16th Floor, North End of Floor 18th Floor, Engineering Dept. North End of Floor 18th Floor, Air Handler Room, Southeast End of Room 20th Floor, Air Handler Room, Northeast End of Floor 20th Floor, South End of Floor, Next to 21st Floor Elevator 1061 1042 1042 1081 1081 1071 1042 1052 1052 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 Analysis performed by Pbas* CoiMrut Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. Sample #102892 SWB-03 was submitted for analysis by Transmission Electron Microscopy (TEM) Steirs electron Microscopy. Results were no ariweM fibers detected. SOUTHWESTERN LABORATORIES, INC. Analyst:. :kz Our tetters and reports are for tbs exekuiva use of tbs client to when they are addressed. The letters and repotts dun not be reproduced except in fill! without the approval of the testing laboratory. The use of our name mu* receive our prior written approval. U4553 ? \sjrrt'' Sufi SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Sox 22422? 2575 Lon* Star Drive # Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 117 San Antonio, Texas 78216 Identification: 311 S. Akard, Dallas, TX Report Date: Date Received: Report Number: March 6, 1992 February 26, 1992 9202268 T Wo On February 26, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 311 S. Akard in Dallas, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO. 022692 SWB-01 LOCATION Field blank VOLUME fL) HBEBS_EER.CC 1.0/100 fids. 022692 SWB-02 Field blank 0.0/100 fids. 022692 SWB-03 19th floor, outside northwest mechanical room 1468 <0.003 022692 SWB-04 17th floor, southwest comer 1170 <0.004 022692 SWB-05 15th floor, northeast comer 1882 <0.003 022692 SWB-06 14th floor, northwest comer 1764 <0.003 022692 SWB-07 13th floor, northeast comer 1773 <0.003 022692 SWB-08 20th floor, northeast air handler 1349 <0.004 022692 SWB-09 i 1th floor, northwest comer 1248 <0.004 022692 SWB-10 9th floor, northeast air handler 1259 <0.004 022692 SWB-11 8th floor, northwest comer 1170 <0.004 022692 SWB-12 7th floor, northeast comer near air handler 1408 <0.003 022692 SWB-13 6th floor, southwest comer 1032 <0.005 022692 SWB-14 5th floor, southeast comer 1529 <0.003 0.4554 < SOUTHWESTERN LABORATORIES, INC Report No: Report of: Reported to: PAGE 2 of 2 9292268 Air Monitoring Southwestern Bell Telephone iSAMffUSm LOCATION 022692 SWB-15 022692 SWB-16 022692 SWB-17 3rd floor, southwest comer 1st floor, house services Basement, east side MLUME (L) -HBERS per cc 1133 <0.004 1411 <0.003 1091 <0.004 Analysis performed by Phase Contrut Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No, 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: at** Bob Garrett, Environmental and Analytical Services Our tetter* and reports are for the exclusive use of the client to whom they are addressed. The letter* and reports ahall not be reproduced except in fill! without the approval of the testing laboratory. The use of our name muat receive our prior written approval. C.,4555 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2575 Lorw* Scar Onva R O, Box 224227 Dallas. Taxaa 75222 m 214/283-1133 Report of test on: -___________ Date tested: Project: Lab Number: Sample Number /ID Location f \AiVi Dll Aj tr fi&O Pump Number Time Flow and Det. Volume Limit Off irN On 1.03 Elapsed ole U Off L/Hin On L/Hin Elapsed Off L On Elapsed Off L/Hin L On L/Hin Elapsed Off On L L/Hin Elapsed L Fibers | Fibers per per Field cc Technician: Analyst: Chain of Custody: CIH/IH: Manager: Type of Activity: Decontamination____Background Abatement Remarks: JL 1KKR HOUSTON run i ns AUSTIN SUSAUMONT CONROE GSAiVCSTON COUNTY MQ ORANOC VAUJEY AUPANQA SAN ANTONIO FOPT WORTH LBESV1UJ! MIOUANO MONRO* SHRSVKPOHT * TEXARKANA SHCRMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical entineering, nondestructive, metallurgical and analytical unices 2373 Lon* Star Drive P , Box 224227 Dallam. Tmxmm 75222 m 214/263-1133 Report of test on: Date tested: Project: Lab Number: Technician: Analyst: Chain of Custody: CIH/IH: _____________ Manager: Type of Activity: ____Decontamination Background____Abatement Remarks: ____ ___________________ 0*'*057 HOUSTON CUUM AUSTIN BffiAUMONT GONBO* OALV*TON COUNTY MO OBANO* VAIX*Y AU*XANOA HAN ANTONIO FORT WORTH LSESVIUJi MIOUkNO MONRO* BHREVSBORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P-0. Sox 224227 2575 Lone Star Driv Dali**, Texas 75222 214/651-2700 Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas. TX 75202 Report Date: Date Received: Report Number: March 5, 1993 February 22,1993 9302212 TH 4-cBo Identification: 4 Boll Plaza, Dallas, TX SAMaem 01021993 02021993 03021993 04021993 05021993 06021993 07021993 08021993 10021993 11021993 12021993 LQ.CAXLQM 18th Floor, Air Handler Basemeat, Storage 3rd Floor, Air Handler 20th Floor, Air Handler 6th Floor, Air Handler 10th Floor, Air Handler 16th Floor, Air Handler 12th Floor, Air Handler 5th Floor, Smoking Area 5th Floor, Vending Area 2nd Floor, Southwest Stair Field Blank Field Blank mUMEJLl 1291 1159 1190 1257 1190 1211 1229 629 983 1135 1161 <0.004 0.006 <0.004 <0.004 <0.004 0.004 <0.004 <0.008 <0.005 <0.004 <0.004 0.0/100 fids. 0.0/100 fids. Analytic performed by Rum Coabut Miereeeopy ia eeecrdanee with NIOSK Method 7400. CwLDaHaak rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program, Laboratory l.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. C.4558 S>L SOUTHWEBTERfU LABORATORIES Materials, tnrirenmentsd and geettduueal engineering, nondestructive, metallurgical and analytical urvtctr P.0. Vox 224227 2S7S Lone Star Orfva Dalla*, Texas 73222 214/631*2700 Report of: Air Monitoring Report to: I Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 775202 Identification: Four Bell Plaza. Dallas, TX Report Date: Date Received: Report Number: March 15, 1993 March 8, 1993 9303121 T+fcttP SAMPLE NO. 01030393 03030393 04030393 05030393 LOCATION 13th floor 17th floor 19th floor 14th floor, Air Handler Field blank VOLUME fLI 1157 1124 1131 940 FIBERS PER CC <0.004 <0.004 0.004 <0.005 0.0/100 fids. Analysis performed by Phase Contra* Microscopy in accordance with NIOSH Method 7400. SwL Dallas is sated proficient by the KIOSK Proficiency Analytical Te* (PAT) Program, Laboratory I.D. No. 73212-001. SOUTHWESTERN LABORATORIES, INC. Analyst:.jf :kz id Analytical Services Our iesart and reports ara forth* txchiaivt uaa of tha client to whoa they art addrtsud. The latter* and report* Mull art ha reproduced except in dill without the approval of th* testing laboratory. The waa of our aama ram receive our prior written approval. C.4559 SOUTHWESTERN Mounds, tnmmmmtmi uf gemckitkal tmimerirng, mmsdatnctut, mtuUurgkel mid mmipkml mrriets 2070 Lona Star Orfva IRQ Box 824227 Dali--. Ttocaa 75222 214/263*1133 - AsfcfS"fpS Report of test on: 'db Date tested : > M 13 Project:. $33>l /MocJL^vah< /d Qrtece a~ Pe*dJ lab Number: Sample Number / ID location Pump Number Time Flow and Det. Volume Limit Fibers Fibers per per Field cc 0 let0*^3 r,lm~a a j !) off t'S **< On 10:33 L/HIn lit $(, Elapsed/ * -A n DIP * of r tr'.-O V. .41- 5. 4JU K / , <T 0 6 00' ci jrltC-' /yj/f a C op <*vt On n/7^~ L/Min l7o L Off<Z;& f.S3 On | i 1 "J L/Min L L Elapsed 4*7 Cfo L Off 3:5 tfsS { On I L/Min Elapsed Mq L Off 3:2a f-ff it 5^" On /1 .to L/Min Elapsed tort L Technician: _Analyst: CIH/IH: _____________________ Manager: Type of Activity: Decontamination Background____Abatement Remarks: Chain of Custody: ------------------------ U4560 HOUSTON DALLAS AUSTIN 1IAUMONT CONRQS OALVSSTON COUNTY MO 0RANOS VAULSY AJJRXANOMA SAN ANTONIO PORT WORTH URSSVUJUf MIDLAND MONRO* SMMUVSRORT TSXAR&ANA SHIPMAN SOUTHWESTERN LABORATORIES Matoriab, mmrmmmtml mud gtouchnica/ ntimtrmg, momitstructivt, mtisllwgicti Mi Mafytictl tsrnett SS7S Lcoa Star Drlva R O. Box S24227 Dallas. Taxaa 75222 Si 4/203-1133 Report of test on: -AtV Mort/VrAj /safes' Date tested: */ 9 /f3 Project: 532>( (AtrcjU t^\nj $Zeb&cca** ftjersan Lab Number: Sample Number / ID Location j pf[5 pW,(T~'' HE! Pump Number Time Flow and Det. Volume Limit Off V.Jb OniClo L/M1n Elapsed/ k +L le?7 Fibers Fibers per per Field cc 070601' Hr, ( t * O - - ' i1' 'I c 77 0/A' 1c. pd offT.5? Pn/j57 12,255 [Elapsed p2ffo Off *HS L/M1n L On L/Min Elapsed Off On L/Min Elapsed Off On L/Mi n Elapsed L Technician: ^_________ Analyst: Chain of Custody: CIH/IH: _______ Manager: _______ Type of Activity: Remarks: Decontamination____ Background____Abatement (i ^4561. HOUSTON QMJJ4 AUSTIN S1AUMONT CONRO* OALVSSTON COUNTY MO BRAND** VAJASV ALSXANOMA SAN ANTONIO PORT WORTH UKKSVIUJf MlOUANQ MONROK SMRCVKPGRT TKXARKANA * SHCRMAN S*L ^ SOUTHWESTERN LABORATORIES P Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.Q. Box 224227 2575 Lone Star Drive e Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Identification: 5331 E. Mockingbird Lane, Dallas, TX Report Date: Date Received: Report Number: September 14, 1992 September 4, 1992 9209057 TW/0? On September 4, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 5331 E. Mockingbird Lane in Dallas, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE.NO, LOCATION VOLUME (U FIBERS PER CC 090492 SWB-Ol Field blank 0.5/100 fids. 090492 SWB-02 Field blank 0.0/100 fids. 090492 SWB-03 Basement, Boiler Room 1171 <0.004 090492 SWB-04 1st floor, north end of C/O Processing Area 1210 <0.004 090492 SWB-05 1st floor, north end, Train Shed Area 1171 0.004 090492 SWB-06 1st floor, south end of C/O Processing Area 1151 <0.004 090492 SWB-07 2nd floor, north end of floor 1260 <0.004 090492 SWB-08 2nd floor, south end of floor 1240 <0.004 090492 SWB-09 2nd floor, Break Room 1200 0.004 090492 SWB-10 3rd floor, north end of floor 1180 <0.004 090492 SWB-11 3rd floor, south end of floor 1200 <0.004 090892 SWB-12 Field blank 0.0/100 fids. 090892 SWB-13 Field blank 1.0/100 fids. 090892 SWB-14 Garage, Truck Parking Area, middle of 1111 <0.004 floor G,,4562 SOUTHWESTERN LABORATORIES, INC Report No: Report of: Reported to: PAGE 2 of 2 9209057 Air Monitoring Southwestern Bell Telephone SAMPLE NO, LOCATION 090892 SWB-15 090892 SWB-16 Garage, 1st office on east end of building Garage, 1st office on west end of building YOLUMEILl FIBERS PER CC 1081 <0.005 1071 <0.005 -- -' Analysis performed by Huse Contrut Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC Analyst: Kyle B Environ Analytical Services Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. t i363 SwL SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2S75 Lone Star Drive e Dallas, Texas 75222 214/631-2700 Report of: Air Monitoring Report to: Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 AMENDED REPORT Report Date: Date Received: Report Number: May 29, 1992 May 18, 1992 9205144 -f 44101 Identification: 5331 E. Mockingbird, Dallas, TX On May 15, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 5331 E. Mockingbird in Dallas, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMELE.NQ, LOCATION VOLUME CL) FIBERS PER CC SWB-01 SWB-02 SWB-03 SWB-04 SWB-05 SWB-06 Blank Blank First floor work area Boiler room. Basement 2nd floor, Break room 1st floor, Break room 1018 1018 1018 1018 2.0/100 fids. 3.0/100 fids <0.005 <0.005 <0.005 <0.005 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. V. SOUTHWESTERN LABORATORIES, INC. Analyst: Bob Garrett, Manager :gc Environmental and Analytical Services Our letter* and report* an for the exclusive use ofthe client to whom they are addressed. The letters and reporta shall not be reproduced except in foil without the approval of the testing laboratory. The use of our name muit receive our prior written approval. G.4564 SWL P.O. Box 224227 SOUTHWESTERN LABORATORIES 0 2575 Ion* Star Drive Dallas, Taxas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: June 17, 1993 June 10, 1993 9306117 Identification; 5331 Mockingbird, Dallas, TX SAMPLEm 01060993 02060993 03060993 04060993 05060993 06060993 07060993 LQC.AMS 1st floor, middle 1st floor, south side Pump Room 3rd floor, south side 2nd floor, Breakroom 2nd floor, pipe chase Procurement Office area, north end of Building Field blank Field blank 1068 1070 407 1080 1078 1087 1068 HMaUiSLTCECC <0.005 <0.005 <0.01 Filter Damaged <0.005 <0.005 <0.005 4.0/100 3.0/100 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program, Laboratory l.D. No. 75212-001. Go4565 SWL P.Q. Sox 224227 SOUTHWESTERN LABORATORIES 257S lone Star Drive Dallas, Texas 7S222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Elide Barfield One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: February 15,1994 February 11,1994 9402093 Identification: 5331 E. Mockingbird, Dallas, TX SAM&iim 01020994 02020994 03020994 04020994 05020994 06020994 07020994 08020994 09020994 LOCATION 1st Floor, middle 1st Floor, south side Procurement, outside office area 2nd Floor, breakroom 2nd Floor, chase 3rd Floor, southside Basement, boiler room Field Blank Field Blank Mi(U 820 1173 1198 1215 1196 1200 1187 BBtas.ym.gg 0.006 <0.004 <0.004 0.006 <0.004 <0.004 <0.004 1.5/100 fids. 3.5/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 73212-001. Analyst: SOUTHWESTERN LABORATORIES, INC. Our tetters and reports are far the exclusive use of the client to whom they are addressed. The letters and reports dull not be reproduced except in full without the approval of the Ming Saboraary. The use of our name must receive our prior written approval. C ^ 4568 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2S73 Lone Sear Drfva R O. Box 224227 Dallas. Taxaa 75222 214/263-1133 Report of test on: A 5 l*trf 03 Date tested: Project: 5*33. 1 MoLab Number: 3uii<=-s Sample Number / ID <5ogL6A<?4' Location i s-U Pump Number Time Flow and Det. Volume Limit Off inns 1/ifdA.^ 1 apse&' L/H1n Fibers Fibers per per Field cc Ofl- ft ^03^^ L --[s4s fieov JonAk StJo nn*t Off imt/ On # L/Min Elapsed tf.m me L Off 3+J) 3--^m. icnc, (jl 25,*v\. L/Min Elapsed H'.tU arHK L nm Off I'.oofl.n, U Elapsed sno /*/JT L/Min 4 50 L Off 11^5; f 3- On L/Min f:3S Elapsed 443.1 10 L Technician: Analyst: _______________________________________ CIH/IH: __________ Manager: _______________ Type of Activity: ___ Decontamination Background Abatement emarks: ............. . Chain of Custody: - -------- -------------------------......... - HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV HO GRAND* VALLEY ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILL1 MIOLANO MONROE SHREVEPORT TEXARKANA SHERMAN C.45B7 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2373 Loots Sear Oriva R O. Box 22-4227 Dallas. Taxaa 75222 214/2S3-1133 AReport of test on: S Date tested Project: Si.il . 'J&A.UaS Sample Number /ID Location OGO&o ^ 4 ..ySjufffarJz, "S AfrO-ylu. f m ........ .... 0UM<Hf 0<\o3-o^^4 Lab Number: Pump Number Time Flow and Det. Volume Limit (Off hits iwu* L/Min i'fPp XIO Off II Mi 4^ L/Min wst * So Elapsed 4 37? 70 L Off On L/Min Elapsed L Off On L/Min Elapsed L Off On L/Mi n Elapsed Fibers Fibers per per Field cc Technician: __________ __________ Analyst: _____ ___________ _ CIH/IH: ______ Manager: __________ _ Type of Activity: ____Decontamination Background Abatement .emarks: ________ Chain of Custody: ---- -----------------------_______________ -- HOUSTON OAI 1 AUSTIN BEAUMONT CONROE GALVESTON COUNTY WQ OnANOC VALLEY ALEXANDRA SAN ANTONIO PORT WORTH LE6SVM-LE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN S*l r l,- SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lon* Star Driva Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: October 30, 1992 October 29, 1992 9210305 Pi iliS Identification: 308 S. Akard, Dallas, TX On October 27, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 308 S. Akard in Dallas, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMKENQ,, LQCMTOM VOLUME fL) FIBERS PER CC 102792 SWB-01 Field blank 0.0/100 fids. 102792 SWB-02 Field blank 0.5/100 fids. 102792 SWB-03 Basement, Switch Gear Room 1220 <0.004 102792 SWB-04 Basement, Emergency Engine Room 1279 <0.004 102792 SWB-05 Mezzanine, Air Handler Room 1220 <0.004 102792 SWB-06 2nd floor. Air Handler Room 1091 <0.004 102792 SWB-07 4th floor, Air Handler Room 1051 <0.005 102792 SWB-08 6th floor. Switch Room, southwest comer of room 1319 <0.004 102792 SWB-09 6th floor, Air Handler Room 1289 <0.004 102792 SWB-10 8th floor, Air Handler Room 1091 <0.004 102792 SWB-11 8th floor, Architecture Dept., center of room 1051 <0.005 102792 SWB-12 10th floor. Customer Service Center, center of room 1269 <0.004 102792 SWB-13 10th floor, Air Handler Room 1200 <0.004 102792 SWB-14 12th floor, Air Handler Room 1061 <0.004 102792 SWB-15 14th floor. Air Handler Room 1676 <0.003 t, o 4569 SOUTHWESTERN LABORATORIES, INC Report No: Report of: Reported to: PAGE 2 of 2 9210305 Air Monitoring Southwestern Bell Telephone SAMPLE NO. 102792 SWB-16 102792 SWB-17 102792 SWB-18 102792 SWB-19 102792 SWB-20 102792 SWB-21 102792 SWB-22 102792 SWB-23 LOCATION 14th floor, Legal Dept., center of room 16th floor, Air Handler Room 16th floor, OSP, Eng. (Design), center of room 18th floor, Room #1828 20th floor. Air Handler Room 20th floor. Room #2026, behind door 22nd floor. Room #2208 22nd floor. Air Handler Room VOLUME (LI 1061 1269 1170 <0.004 <0.004 <0.004 1210 1180 1140 1081 1091 <0.004 <0.004 <0.004 <0.004 <0.004 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst; :kz Our letters and report* are forth# exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except .in ftiU without the approval of the testing laboratory. The use of our name rmut receive our prior written approval. U4570 S*L SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lon* Star Driv* Dallas, Taxaa 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 775202 Report Date: Date Received: Report Ntsnben March 15,1993 March 8, 1993 9303120 -fffas Identification: Three Bell Plaza, Dallas, TX SAMPLE NO. 01030893 LOCATION Sub-basement VOLUME (L) 1218 IffiEBiflEEJX <0.004 02030893 03030893 04030893 05030893 07030893 08030893 09030893 10030893 11030893 12030893 Basement, Emergency Hague Room 1st floor, Air Handler Mezzanine 2nd floor, Air Handler 6th floor, northeast comer 9th floor, Air Handler 13th floor, Emergency Engine Room, northwest comer 13th floor. Emergency Engine Room, northeast comer 14th floor, Air Handler 7th floor. Lounge Field blank Field blank 1198 1274 1158 1163 1115 1137 1129 1086 1116 1076 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 <0.005 <0.004 <0.005 7.0/100 fids. 2.0/100 fids. Analysis performed by Phase Contrast Microscopy in aceordsac# with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program. Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Our latter* and reports an for tbs exclusive un ofthe sikot to whom they an addrsasad. Tbs leasts and report* dull not b* (produced except ia &J] without tbs approval of the tertfag laboratory. Tfc* ua* of our asm nut new* our prior wrion approval. S&1 SOUTHWESTERN LABORATORIES Report of: Report to: Material*, environmental and geotechnical engineering, mndetlructire, metallurgical and analytical terriers P.0. Ban 224227 2575 Lem Star Drive Dallas, Taxas 73222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, IX 7S202 Report Date: Date Received: Report Number: March 18, 1993 March 12. 1993 9303179 Identification: Three Bell Plaza, Dallas, TX SAMPLE NO. 01030993 02030993 03030993 LOCATION 4th floor 16th floor 18th floor Field blank Field blank VOLUME (LI 1061 1057 1060 FIBERS.PER_CC <0.005 <0.005 <0.005 0.0/100 fids. 2.0/100 fids. Analytii performed by Phatc Contra* Microaeopy in aceordanea with NIOSH Method 7400. SwL Dailaa ia rated proficient by tbe NIOSH Proficiency Analytical Tex (PAT) Program, Laboratory I.D. No. 75212-OOI. SOUTHWESTERN LABORATORIES, INC. Analyst:. d Analytical Services Chtr letters and repent art for tbs attekwivf ua* flh* efiaat to whew tfeey a'afld*ad. Tha Men and npont dull not be reproduced except ia fill! without th# approval oftbe leaning laboratory. Tbs *# at our aanw mm raetivi eur prior written epprovel. Co4572 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services Z57S Lona Sear Drlva R O. Box 2S42Z7 Dalle*. Itocas 75222 Z14/2B3-1133 Report of test on: `Ashe5-k?S Aif Mon'rkttik& Date tested: *,e?3 Project: 3 bAX* DoJJaS AUr\: g&4cgcdu Sample Number / ID Location Pump Number Time Lab Number: Flow Fibers Fibers and Det. per per Volume Limit Field cc 0fO:43 %<f6 q(o3oZ^3 On jd:tf Elapsed #74- L/Min /jLl* ojm-B ^ ^ t ^ ^n> 0ff;. /di'vr On /cV/J' L/Hln Elapsed //?? L r ?L. A\& Hacx.iLL.tdL. .Z ntO't)C^3 0ff^D7 f 6^rjon/vil L/Min Elapsed /<37*/ aw L Offn i f7 lflT>On/a- Elapsed j&o 'Oftytfi V.^5 L/Min //S% L /327C On /&'"3y L/Min Elapsed nu3 &57 Technician: --Analyst: __________________ Chain of Custody: CIH/IH: _Manager: _______________________________________ Type of Activity: Decontamination___ Background Abatement Remarks: f.,.4573 HOUSTON nt! i * AUSTIN SHAUMONT GQNRC* GALVESTON COUNTY * PUO ORANOS VALLSY ALSXANOWA SAN ANTONIO TORT WORTH USSSVIU-* * MIOLANO MONRO* * SHnBVSPCIRr TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Material*, emvinmmtual ami gemekaieal tnmaeemg, arniiemtetne, mttdlurgkai ami amiytkel tsntku 2579 Uru Sear QHv IRQ Box 284827 DgHn, Txa 75222 214/SB3-1133 Report of test on: "/fsbcS-bs h\f Moni-)oitn&. Date tested: Project: 3 &A,L, Pla.t,Q~~ Doj^A& Lab Number: CIH/IH: ______ Manager: Type of Activity: ____Decontamination Remarks: Background____Abatement ___________ ----------------------- -- -- Houston rm i * Auamst bsaumont conks oal^/sston count? no omanqs vaulsv MMxmMcmA SAN ANTONO * P>OMT WOMTH * LEBSVO-LS MOLANO * MONPOK * IBMWIVIS^CWT * TSXAMKANA * SMWMAN SOUTHWESTERN LABORATORIES Materialf, enrimnmenml ami geotechnical engineering, ' OHv R O. Box aS4SSI7 OgritoiK. mmtaBurgkml mi omMjiml terrieet 75222 214/2B3-1133 Report of test on: - AsheS-bs A if Mon'rktUtX, Date tested: t'^3 Project: 3 fc&tL, P fdtCL - DaJX&& A*Mt\: Cg4e4sca^ BtA&r&on lab Number: _________ Sample Number / ID Location Pump Number Time Flow and Det. Volume Limit Fibers Fibers per per Field cc Off dftS2^ On|Oi>^ L/Mln UOSg2^3 n7(j f<~ ) SL6 5 off3 t ^ H f-> )<2~ Elapsed ///6 mi L 0ff^:o5 *38 jJlliOnlzW L/M1n Elapsed /a 76 L Off On L/Mln Elapsed L Off On L/Mi n Elapsed Off On L L/Hin Elapsed L Technician: _______Analyst: CIH/IH: _______________ _ Manager: Type of Activity: Decontamination Background Remarks: Abatement Chain of Custody: --................... -- ----------------- -------------------------------- HOUSTON OAUJfcS AUSTIN MCAUMONT COMBtC* OM.VSSTON COUNTY MO OPUtMOK VMXSY AU*X4AOW.i IAN AMTOfsSO * PORT WORTH * IKilAiJ * MOmANO * M0NPIQ! * SHMSVWOWT * TBXARKANA * BMliPIIMAN Mmtieiz, tmtommeatat ami gtauehnieai tntittftrimg, mamdsMrmetivt, metaBurgicrt amt MmefytkMi scrvte a7S Lons Sear Orte R a B 8SS4SS7 Date. Dmm 75222 21^203-1133 Report of test on: - A*aAf. AftfAJlTOkL;Ajfa Date tested: Project: ^ ft&lJLPfctlkG. ~ DadLat Lab Humber: _________ Technician: ________Analyst: CIH/IH: _____ _ Manager: Type of Activity: ____decontamination Background Remarks: Abatement Chain of Custody: -------- -- -------------- ----- ...-------- ---- HOUSTON * OMXMB * AUSTIN * MEAUMONT * CONFUS * OAU/BlirTON COUNTV * R8G QRAMQB MAtXKV JMJKHAWOWliA AM ANTONIO raPTT WORTH --eiPwM i m MO-AMO MOWS*# * SHTCtWQRT* TMXAH9CAMA aHUBUMAN C,,4576 StvL SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Sox 224227 2575 Lone Star Oriva a Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 117 San Antonio, Texas 78216 Report Date: Date Received: Report Number: March 3, 1992 February 20, 1992 9202204 Identification: 308 S. Akard, Dallas, Texas On February 20, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 308 S. Akard in Dallas, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME (L) FIBERS PER CC 022092 SWB-01 022092 SWB-02 022092 SWB-03 022092 SWB-04 022092 SWB-05 022092 SWB-06 022091 SWB-07 022091 SWB-08 022091 SWB-09 022091 SWB-10 022091 SWB-11 022091 SWB-12 Field blank Field blank 21st floor. Air Handler Room near Room 2100 19th floor, Air Handler Room 17th floor, Engineering Office, south side 15th floor, Room 1519, Management Resource Center 13th floor, Air Handler Room near Employee Locker Room 11th floor. Air Handler Room next to Women's Restroom 9th floor. Air Handler Room 9th floor. Room 916, Building Operations Center 12th floor, Breakroom 7th floor, Lunch Room 1150 1470 934 1164 944 1150 1113 1007 1002 1288 1.0/100 fids. 0.0/100 fids. <0.004 <0.003 <0.005 <0.004 <0.005 <0.004 <0.004 <0.005 <0.005 <0.004 C.4577 SOUTHWESTERN LABORATORIES, INC Report No: Report of: Reported to: PAGE 2 of 2 9202204 Air Monitoring Southwestern Bell Telephone SAMPLE NO, LOCATION 022091 SWB-13 022091 SWB-14 022091 SWB-15 022091 SWB-16 022091 SWB-17 022091 SWB-18 022091 SWB-19 3rd floor. Equipment Room, Central Office 3rd floor. Air Handler Room 1st floor. Room 100, Office Area 1st floor, Room 101, Office Area Sub-basement, Air Handler Room near Boiler Room Sub-basement, Boiler Room Basement, Emergency Generator Room VOLUME (LI gBER,,PER_C_q, 1288 <0.004 1022 1646 1133 1246 <0.005 <0.003 <0.004 <0.004 1175 <0.004 1175 <0.004 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory l.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: ejLc, Bob Garrett, Manager Environmental and Analytical Services . Our keen and reposts are for the exclusive use of the client to whom they are addressed. The letters end reports shall not be reproduced except in hill without the approval of the testing laboratory. The use of our name must receive our prior written approval. 4578 SWL P.O. Sox 224227 SOUTHWESTERN LABORATORIES 2575 Lon* Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attn: Elida Barfield One Bell Plaza, Room 910 Dallas, Tx 75202 Identification: 200 E. Tyler, Richardson, IX SAMPLE NO. IQCATIQN 01060894 02060894 03060894 04060894 05060894 06060894 07060894 08060894 09060894 10060894 Basement-Mechanical, Equipment Room #1 Basement-Boiler Room Basement-Maintenance Office Second Floor Equipment Room #207 First Floor Mechanical Room Third Floor Mechanical Room Basement-Mechanical Room #2 Basement, Janitor's Closet Field blank Field blank Report Date: Date Received: Report Number: June 9, 1994 June 9, 1994 9406068 VOLUME (U FIBERS PER CC 1192 0.004 1213 1225 964 893 1219 1215 1204 <0.004 <0.004 <0.005 <0.005 <0.004 <0.004 <0.004 0.0/100 fids 0.0/100 fids Analysis performed by Phsas Contrast Microscopy ia accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. TERN LABORATORIES, IN Analyst: :bf Industrial Hygiene Technician Ky En Our letters and reports are for the exclusive us* of the client to whom they reproduced except in full without the spprovai of the testing laboratory. The iyticai Services The Setters and reports shall not be of our name must receive our prior written approval. Go 4579 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2S7S Lone Sear Driva P. . Box 224227 Dallas. Taxes 75222 214/263-1 133 Report of test on: ikln Date tested: Project: & * Jl 1 fa A Lab Number: Sample Number /ID Location Pump Number Time Flow and Det. Volume Limit OlQkQtjif OtobotM <e ClokoMH- 1 --0" " Off II 11.51 mi? :5bf feoA , Elapsed L/Min 4.143 3-TofJ L "Ki l& Aiom 5i/o Off w&e 14 U,5) hhsk, L/Min Elapsed 4.41/ <UJW L _____ t)&ricQ,__________ Off 3 f!oo f a?3o A Elapsed <7o Ai L/Min 4.531 L m. e&'if, HoO Tv -- Attm. aLo~J I ST. f^CaOr ^eck. Roo>u &oi L/Min Elapsed 44S6 L mna IfSsr L/Min Elapsed 4.41/ L Fibers Fibers per per Field cc Technician: Analyst: CIH/IH: _____________________ Manager: Type of Activity: Decontamination Background amarks: Abatement Chain of Custody: 4580 HOUSTON rw I AUSTIN BEAUMONT CONROE GALVESTON COUNTV WO GRANDE VALUEV ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical entineering, nondestructive, metallurgical and analytical services 2378 Lona Scar Drive R O. Box 5S4227 Dallae. Texas 75222 21-4/2B3-1 133 Report of test on: ft S Ae^r/oS Date tested: Project: ^ '............................. _______ ' & c&Yt&oH Lab Number: __________ Sample Number /ID OtO4 Location fuo a. Pump Number Time Flow and Det. Volume Limit Off /m5 riiTf ^JlOrJL, l/Min Elapsed H.tis 1014 L 513U>3 Off Cso? /A/S L/Min <x Elapsed *{>S Fibers Fibers per per Field cc Q^oioS^f T^yvu4c.T f5 ori*/fitAW: im.... 120 tu L/Min 3Sx . Elapsed Ms? 3-Iqm, Off On L/Min Elapsed Off On L L/Min Elapsed L Technician: Analyst: CIH/IH: Manager: Type of Activity: ____Decontamination^__ ^Background___ _Abatement emarks: Chain of Custody: HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY # RIO SRANOE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SWL SOUTHWESTERN LABORATORIES P.O. Box 224227 2575 Ions Star Drlvt Dallas, Taxas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, IX 75202 Report Date: Date Received: Report Number: August 4, 1993 July 20, 1993 9307181 Identification: 200 E. Tyler, Richardson, TX SAMPLE NO. LOCATION VOLUME (LI 01072093 ' ' ' Basement, Mechanical Equipment Room #2 1077 02072093 Basement, Elevator Machine Room 1084 03072093 04072093 5 *. Basement, Janitor closet 1084 - Basement, Mechanical Equipment Room #1 X 1077 05072093 v Basement, Boiler Room X" 1080 06072093 v Basement, Maintenance Office X 1080 07072093 1st floor. Fan Room '-X" 1075 08072093 09072093 V 2nd floor. Fan Room / v 2nd floor, Mechanical Equipment Room v 1084 1082 10072093 3rd floor. Fan Room v' 1075 t1072093 Field blank 12072093 Field blank FIBERS. PER CC <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 0.005 <0.005 0.S/100 fids. 0.0/100 fids. Ajiaiyiia parformod by Pham Caratastf Mfcroaeopy ia accordance with NIOSH Method 7400. SwL DelUe is nted proficient by the NIOSH Proficiency Analytical Test (PAT) Prognm, Laboratory I.D. No. 75212-001. G,,4582 SOUTHWESTERN LABORATORIES Materials, environmental ami geotechnical engineering, nondestructive, metallurgical and analytical services SOTS Lorn Sour Oriva R O. Box 224227 Dallas. Taxaa 75222 214/263-1133 Report of test on: - AJoif^3 Date tested: = dot) Mir ^l/chtuhon. Project AtW: fahPfipjL k&if^on lab Number: Sample Number / ID Location Pump Number Time Flow and Det. Volume Limit oi ooaoi3 0501 <^0^3 POeMsAjcAij u iJj> 'Aitiahr Off 117 4.W On^'-lT L/Min Elapsed/ \ -i Mo 4 Off j ^ lnn/n - faMtMM.... iH12- On L/Min uP Elapsed \DtPV;/ MO &Mmot SmtQL LktL. 17175* uP Off i -M On i L/Min Elapsed \ott$ MO fotummi rciiffa* uA F,nu ijawm dom uP OffiJh On6l dt L/Min Elapsed ion O' L fc/in/ALAiJ.fi Off 4- 31 M.*P On^ \yj L/Min uP Elapsed IftfO jt<b L Fibers Fibers per per Field cc Technician: __Analyst: Chain of Custody: CIH/IH: ________ _________ Manager: _ Type of Activity: Remarks: JDecontamination___ Background Abatement Go 4583 HOUSTON DALLAS AUSTIN OIAUMQNT CONRC* OALVSSTON COUNTY WO BRANDS VALLRY ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical entinttring, nondestructive, metallurgical and analytical services 2373 Lons Star Orfva P. O. Box 224227 Dallas. Tsxas 75222 214/2B3-1133 Report of test on: Date tested: Project: ^DD . Tiiilf Lab Number: Sample 1 Number / ID Location Pump Number Time [ Flow and Det. Volume Limit \0b0/lM3 MPW'fS nkir 9 Floor Psl/) i^nnm floor fan i^ans mP \itf3U UP LU> Off r4i <\,5D On^Wl L/Mln Elapsed/ 'tip w>; Offl5^ 4 Me On ^ 'St L/Min Elapsed I(fl5F 40 L Off si-OS 4.59~ On 10'-OS' L/Min Elapsed MO l rimf (i\tfto/\iMt oviac<0 . ^iLrinrs - firfi 0ff^.i3 4,51 On mb L/Min Elapsed MM MO L lOOWW If*Floor-F/inlZmn 1717*4 Offa'-h "4^7" On VM L/Mi n Elapsed 1015.?. SNO L Fibers Fibers per per Field cc Technician: Analyst: CIH/IH: Manager: Type of Activity: Decontamination____Background___ Abatement Remarks: Chain of Custody: HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY RtQ SPANOB VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH LE6SVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2979 Lona Star Oriva R O. Box 224227 Dalle*, Taxm 75222 a 214/263-1133 Report of test on: - Alwfc& Date tested: fA'Add^ Project: AbD . TifUr _ Lab Number: ____ Sample Number / ID Location \WdtA?> h iM M&aL C,iii Mnlc Pump Number Time Flow and Det. Volume Limit Off On L/Min Elapsed/ -A L Off On L/Min Elapsed Off L On L/Min Elapsed Fibers Fibers per per Field cc Off On L/Min Elapsed Off On L/Min Elapsed L Technician: Analyst: Chain of Custody: CIH/IH: _____________________ Manager: ---- Type of Activity: ___Decontamination Background Abatement " Remarks: _________ ______________________________________________ ________________ Co 4585 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY PtG ORANOE VALLEY ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN S&L p SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 9.0. Box 224227 2575 Lon* Star Oriv* Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Beil Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: November 19, 1992 November 13, 1992 9211154 Identification: 200 E. Tyler Street, Richardson, Texas On November 13, 1992 a rap from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 200 E. Tyler Street in Richardson, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE NO. LOCATION YQLUMELfLI EOBERSFERC 111392 SWB-01 Field Blank 4.5/100 fid. 111392 SWB-02 Field Blank 2/100 fid. 111392 SWB-03 Basement, Mechanical room Northeast end of floor 1121 <0.004 111392 SWB-04 Basement, Boiler room. West end of floor 1091 <0.004 111392 SWB-05 First floor, Air handler room. Northeast end of floor 1091 <0.004 111392 SWB-06 First floor, Switch room. West end of floor 1091 <0.004 111392 SWB-07 Second floor, Mechanical room Center of floor 1180 <0.004 111392 SWB-08 Second floor. Mechanical room. Northeast end of floor 1141 <0.004 111392 SWB-09 Third floor, Air handler room, Northeast aid of floor 1121 <0.004 Analysis performed by Phase Contract Microscopy in accordance with NIOSH Method 7400. SwL is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Lab I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Our letters and reports are for the exclusive ust of the client to whom they are addressed. The letters and rearms shall not be reproduced except in full without the approval of the testing laboratory. The use of our name taut receive our prior written approve). C o 4586 SwL SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. to* 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 117 San Antonio, Texas 78216 Identification: 200 E. Tyler, Richardson, TX Report Date: Date Received: Report Number: February 25, 1992 February 24, 1992 9202238 T/6 Od S?' On February 24, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 200 E. Tyler in Richardson, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMLE.N0, location mLUME....(Ll FIBERS PER CC 022492 SWB-01 022492 SWB-02 022492 SWB-03 022492 SWB-04 022492 SWB-05 022492 SWB-06 022492 SWB-07 022492 SWB-08 022492 SWB-09 022492 SWB-10 022492 SWB-11 Field blank Field blank 2nd floor. Air Handler Room #204 2nd floor. Equipment Room, east end 3rd floor. Air Handler Room #314 3rd floor. Power Room, southwest comer 3rd floor, office area, northwest comer 1st floor, Air Handler Room 1st floor. Equipment Room, west end 1st floor, protected frame area of equipment room, south wall Basement, Breakroom 975 1252 1034 1411 975 1356 1092 1411 1014 0.0/100 fids. 0.5/100 fids. <0.005 <0.004 <0.005 <0.003 <0.005 <0.004 <0.004 <0.003 <0.005 Gj4587 SOUTHWESTERN LABORATORIES, INC Report No: Report of: Reported to: PAGE 2 of 2 9202238 Asbestos Southwestern Bell Telephone SAMPLE NO. LOCATION VOLUME (M FIBERS PER CC 022492 SWB-12 Basement, Mechanical Room near Air Handlers 1124 <0.004 Analyst! performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. Analyst: SOUTHWESTERN LABORATORIES, INC. Bob Garrett, Environmental and Analytical Services Our lettera and teporta are for the exclusive use of the client to whom they etc tddreesed. The letters and reports shall not be reproduced except in fiill without the approval of the testing laboratory. The uae of our name must receive our prior written approval. C.4588 Huntingdon Report of: Air Monitoring Report to: Southwestern Bell Telephone Attention: Elide Barfield One Bell Plaza, Room 910 Dallas, TX 75202 ^ M-L o5o Identification: 17451 DaUas Parkway, Dallas, TX SAMttENQ* 01093094 02093094 03093094 04093094 05093094 LOCATION Basement, Mechanical Room Basement, Emergency Engine Room Basement, Break Room Field Blank Field Blank Huntingdon Engineering & Environmental, inc. P.O. Box 224227 2S7S Lon* Star Oriv* DaHaa, Taxaa 75212 T*i*phon: (214) 631-2700 FAX: (214)920-1891 Report Date: Date Received: Report Number: October 13, 1994 October 3, 1994 410008 YSUOMA FIBERS PER CC 1191 0.004 1189 0.007 797 . 0.007 2.0/100 fids. 0.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program, Laboratory I.D. No. 75212-001. HUNTINGDONENGINEERING & ENVIRONMENTAL, INC. Our totum and rapam u* fee Ac axetaaiv* ua* of tfoa clkat to whom Ifcey aro KUraand. Tka laMan and repeat* aboil sot bo raproducadaxeapttefbUwitiMnatiMif^rovriofibaMiagklMalsry. Ifca ue of our aw* raeaiv# our prior writ*** approval. C o4589 Huntingdon Report of: Air Monitoring Report to: Southwestern Beil Telephone Attention: Elida Barfield One Bell Plaza, Room 910 Dallas, TX 75202 Identification: 8643 Hillcrest, Dallas, TX SAMPLE NQ. 01092394 02092394 03092394 04092394 05092394 06092394 LOCATION Basement, Engine Room Basement, Cable Vault 2nd floor. Mechanical Room 3rd floor, Meehan.cai Room Blank Blank Huntingdon Sn; neer i & Environmental in a O, 3ox ' 1227 2575 . i Star 3 ,i C 'Hat, till Z Talaoni a:(2'4)63' Z'T? FAX: (2-4) 920-!3. Report Date: September 27, 1994 Date Received: September 23, 1994 Report Number: 409198 VOLUMES) aiM;& PER _CC 1174 <0.004 1187 <0.004 1188 <0.004 1172 <0.004 0.0/100 fids. 0.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. HUNTINGDONENGINEERING ft ENVIRONMENTAL, INC. Industrial Hygiene Technician :kz Environmental and Analytical Service Our boars and raporta an for te axeluaiva urn of tba eliast to w&om *y an add np*o*#e4 ase^t ia fill! without tiw approval of too Uatio* laboratory. Tk uaa of our Tha laam aad ra^otta diall not ba flURMt nev our prior writtaa approval. Go -17,90 Huntingdon Report of: Air Monitoring Report to: Southwestern Bell Telephone Attention: Elide Barfield One Bell Plaza, Room 910 Dallas, TX 75202 Identification: 1500 Preston Forest, Dallas, TX SAMPLE NO. 01092094 02092094 03092094 04092094 05092094 LOCATION Basement, Mechanical Room Basement, Boiler Room 2nd floor. Fan Room Blank Blank Huntingdon engineering Environment;: J,0. Sox 22420' 1575 Lena S: - : . Jaila*. 7 xa* ; ' : Talaphona: (2141 FAX: 1214) 920- 5: Report Date: September 27. 1994 Date Received: September 23, 1994 Report Number: 409196 mmmi FIBERS PER CC 1187 <0.004 1173 <0.004 1182 <0.004 0.0/100 fids. 2.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory LD. No. 75212-001. HUNTINGDONENGINEERING & ENVIRONMENTAL, INC. Analyst: Industrial Hygiene Technician :kx Our team ami raport* an far fan sxeiuacv* un* of fat etas to whom Any are addfacasd. Tha tester* and raposta fasU sot b* roproduead axcapt ia faU without (ho approval of faa iaatiaf laboratory. 'fit* ms of our n*um nanat racatva our prior wrtea approval. Gj4591 SwL SOUTHWESTERN LABORATORIES / Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: August 20, 1992 August 11, 1992 9208100 Identification:! 500 Preston, Dallas, TX On August 11, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility, located at 1500 Preston Dr. in Dallas, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: - SAMPLE NO, LOCATION VOLUME (L) H1ERSPER CC 081192 SWB-01 Field blank 0.0/100 fids. 081192 SWB-02 Field blank 0.0/100 fids. 081192 SWB-03 Prevalent, 2nd floor, center of office area 1299 0.004 081192 SWB-04 Prevalent, 2nd floor. Mail Room 1270 0.004 081192 SWB-05 Prevalent, 1st floor. Copy Room 1116. <0.004 081192 SWB-06 Prevalent, 1st floor, center area 1270 <0.004 081192 SWB-07 Prevalent, Basement, Mechanical Room 1270 <0.004 081192 SWB-08 Prevalent, Basement, Bldg. Maintenance 1042 <0.005 Analysia performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400, SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory l.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC Our fetters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. Co4592 SwL SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Sox 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 117 San Antonio, Texas 78216 Report Date: Date Received: Report Number: March 17, 1992 March 12, 1992 9203124 Identification: 1500 Preston Dr./Forest Lane, Dallas, TX On March 12, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 1500 Preston Dr./Forest Lane in Dallas, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO, LOCATION VOLUME (L) FIBERS PER C..Q 031292 SWB-01 Field blank 0.0/100 fids. 031292 SWB-02 Field blank 1.0/100 fids. 031292 SWB-03 Basement, Boiler Room 1383 <0.003 031292 SWB-04 Basement, Lounge 1460 <0.003 031292 SWB-05 031292 SWB-06 1st Floor, center 1st Floor, north wall 1383 <0.003 1288 0.004 031292 SWB-07 2nd Floor, Mechanical Room 1356 <0.004 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program. Laboratory i.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: GoJ? & C&kz Bob Garrett, Manager Environmental and Analytical Services Our letter* and reports are for the excluaive uae of the client to whom they are addressed. The letters and reporta shall not be reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. Go 4393 A ,v ScuL SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 lone Star Drive Dallas, Texas 75222 e 214/631-2700 Report of: Report to: Air Monitoring Southwestern Beil Telephone Attention: Gladys Haecker 7159 San Pedro, Room 117 San Antonio, Texas 78216 Identification: 4211 Bryan St., Dallas, TX Report Date: Date Received: Report Number: March 6, 1992 March 3, 1992 9203023 TV ?/)*! On March 3, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 4211 Bryan St. in Dallas, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLENO. LOCATION VOLUME (LI FIBERS PER CC 030392 SWB-01 030392 SWB-02 Field blank Field blank 1.0/100 fids. 0.0/100 fids. 030392 SWB-03 8th floor, Lounge 1302 <0.004 030392 SWB-04 030392 SWB-05 8th floor, east Fan Room 7th floor, east Fan Room 1302 <0.004 1250 <0.004 030392 SWB-06 030392 SWB-07 6th floor. Power Room, center 5th floor, east Fan Room 1356 <0.004 1529 <0,003 030392 SWB-08 4th floor. Equipment Room, north wall 975 <0.005 030392 SWB-09 3rd floor, east Fan Room 1300 <0.004 030392 SWB-10 2nd floor. Center 1304 <0.004 030392 SWB-11 1st floor, east Fan Room 1304 <0.004 0.4594 ; SOUTHWESTERN LABORATORIES, INC Report No: Report of: Reported to: PAGE 2 of 2 9293023 Air Monitoring Southwestern Bell Telephone SAMPLE NO. LOCATION 030392 SWB-12 030392 SWB-13 030392 SWB-14 Basement, Fan Room Sub-basement, east end Sub-basement, west end VOLUME (L) S PER CC 1304 <0.004 936 <0.005 1411 <0.003 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. ejjq&JkrL, Analyst Bob Garrett, Manager Environmental and Analytical Services Our letter, and report, ire for the excluiive uic of the client to whom they ire addreiaed. The letter, and report, dull not be reproduced except in full without the approval of the texting Uboritory. The uk of our name mu<t receive our prior written approval. Co SuL SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lon* Star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: November 6, 1992 November 6, 1992 9211061 -fyftsn Identification: 4211 Bryan St., Dallas, TX On November 5, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 4211 Bryan St. in Dallas, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME 1L1 FIBERS PER CC 110592 SWB-01 110592 SWB-02 110592 SWB-03 Field blank Field blank Sub basement, south end of floor 1.0/100 fids. 4.0/100 fids. 1091 <0.004 110592 SWB-04 Sub basement, north end of floor 1052 <0.005 110592 SWB-05 110592 SWB-06 Basement, Air Handler Room B-10, Basement, Center of Special Services, Room B-22 1091 <0.004 1061 <0.005 110592 SWB-07 Basement, Center of Club Room B-17, 1032 <0.005 110592 SWB-08 1st floor. Air Handler Room 1052 <0.005 110592 SWB-09 1st floor, Equipment Room 113 1270 <0.004 110592 SWB-10 3rd floor,Air Handler Room 320 1091 <0.004 110592 SWB-11 3rd floor,Computer Room 320 1101 <0.004 110592 SWB-12 5th floor. Air Handler Room 1052 <0.005 110592 SWB-13 5th floor, Switch Room 519 1081 <0.005 G,,4596 SOUTHWESTERN LABORATORIES, INC. Report No: Report of: Reported to: PAGE 2 of 2 9211061 Air Monitoring Southwestern Bell Telephone SAMPLE NO. LOCATION VOLUME (L) FIBERS PER CC 110592 SWB-14 110592 SWB-15 7th floor. Air Handler Room 7th floor, West end of Eqipment/ Computer Room 710 1091 0.006 1131 <0.004 entai, -1 ttxa* 4) 4i -: <i performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is proficient by the NIOSH Proficiency Analytical Teat (PAT) Program, Laboratory I.D. No. 752124X11. Ids fids as ts 1. SOUTHWESTERN LABORATORIES, INC. ^c- t/JLdygfcjLtM :kz aU Kyle Burroughs f Environmental and Analytical Services Our letters and reports are for the exclusive um of the client to whom they tie addressed. The letters reproduced except in fill! without the approval ofthe (eating laboratory. The ties ofour earn* must reports dull not be our prior written approval. 0^4^97 i%dr>98 tall not b# i approval.