Document 2NrkBJOQBXLkmYOeKOQ7dL1Va

S&L 1/ SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 173G6 Austin, Texas 78760 Client: SwL Dallas Attn; Tony Robertson Client No. Report No. Report Date 505093-175 November 3, 1992 Project: Airborne asbestos samples taken by Kenneth Williamson with SwL on 10/27/92. Analyzed on 10/29/92. Site: Southwestern Bell Telephone, 909 Colorado St., Austin, Texas 1107 Water St., Bastrop, Texas 309 SW San Antonio St., Lockhard, Texas Eifem SwL lab No. 909 Colorado St, Austin, Texas RESULTS Tima FR (mini m Old Bldg. Basement Hall @ Rm. B-24 COL-1 150 11.5 Old Bldg. Basement Power Room COL-2 150 11.5 Old Bldg. 3rd Floor Sev. Lobby @ Rm. 303 COL-3 147 11.5 Old Bldg. Rm. 301 COL-4 140 11.0 New Bldg. Basement Mech. Rm. #0-1 COL-5 135 11.0 New Bldg. Basement Power Room COL-6 137 11.5 New Bldg. 1st Floor Rm. 122 COL-7 133 11.5 New Bldg. 1st Floor Beet. Rm. 124 (Inside Rm. 122) COL-8 132 11.5 New Bldg. Sth Floor Elev. Lobby @ Rm. 521 COL-9 132 11.0 New Bldg. 5th Floor Rm. 521 COL-10 135 11.0 New Bldg. 8th Floor Rm. 804 COL-11 135 11.5 Volumes (liters). 1725 1725 1690.5 1540 1485 1575.5 1529.5 1518 1452 1485 1552.5 FB/FL 4.5/100 3.5/100 10.5/100 1.5/100 0/100 2.0/100 2.0/100 2.0/100 1.5/100 1.0/100 6.5/100 MFA Fibers/cm3 0.00787 <0.003 0.00787 <0.003 0.00787 0.003 0.00787 0.00787 <0.003 <0.003 0.00787 <0.003 0.00787 <0.003 0.00787 <0.003 0.00787 <0.003 0.00787 <0.003 0.00787 <0.003 s 004068 Page 2 QBslLEL SwL-lab. No. 009 Colorado St.. Austin. Texas (Com.) Time (min) New Bldg. 8th Floor Elev. Lobby @ Rm. 805 COL-12 137 Field Blank COL-13 - RESULTS FR Volumes fl/m) (liters) 11.5 1575.5 -- a 5.0/100 0/100 tto? Water St, Bastrop, Texas. Switch Room BAS-1 Air Handler Room BAS-2 Field Blank BAS-3 145 11.5 145 11.5 -- 1667.5 1667.5 . 2.0/100 1.0/100 0/100 MFA AC* Fibers/cm3 0.00787 <0.003 0.00787 P X ^ 0.00787 <0.003 0.00787 <0.003 0.00787 309 SW San Antonio St., Lockhart. Texas South end of Bldg. LOC-1 North end of Bldg. LOC-2 Field Blank LOC-3 145 11.5 145 11.5 ,, 1667.5 1667.5 . 1.5/100 3.0/100 0/100 0.00787 0.00787 0.00787 <0.003 <0.003 AC determined using a minimum 10 PB/10Q R. Reliable Quantitation Unit where applicable. Rbers/ce are blank corrected where applicable. SOUTHWESTERN LABORATORIES, INC. Robert N. Dalton Asbestos Coordinator Hilary D. Johns Senior Programs Our letter* end report* are for the exclusive use of the client to whom they are addressed. The letters and report* shall not ba reproduced except In full without the approval of testing laboratory. The use of our name must receive our prior written approval. 004069 SwL SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.O, Box 173668 Austin, Texas 78760 Client: SwL Dallas Attn: Robert Garrison Report No. Report Date Page 505092-656 June 1, 1992 1 of 2 Project: Airborne asbestos samples taken by Kenneth Williamson with SwL on 5/26/92 Analyzed on 5/29/92. Site: Southwestern Bell Telephone, 909 Colorado Street, Austin, Texas EBsJJL Old bldg., basement hallway at B-24 Old bldg., basement power room Old bldg., 3rd floor, hall at Room 303, elevator lobby Old bldg., 3rd floor, Room 301 New bldg., basement, mechanical room 0-1 New bldg,, basement, power room New bldg., 1st floor, Room 122 New bldg., 1st floor, electric room #124, Inside Room 122 New bldg., 5th floor, elevator lobby at Room 521 New bldg., 5th floor, Room 521 New bldg., 8th floor Room S04 RESULTS ^P SwL lab No. Time (min) Col-1 140 FR fl/m) 11.5 Volumes (liters) 1610 FB/FL 2.0/100 MA 0.00787 AC* Fibers/cm' <0.003 Col-2 145 11.5 1667.5 1.0/100 0.00787 <0.003 Col-3 145 12.0 1740 11.0/100 0.00787 0.003 Col-4 Col-5 Col-6 Col-7 Col-8 144 12.0 1728 6,5/100 0.00787 <0,003 145 12.0 1740 1.0/100 0.00787 <0.003 143 12.0 1716 1.0/100 0.00787 <0.003 151 11.5 1736.5 3.0/100 0,00787 <0.003 146 11.5 1679 2.0/100 0.00787 <0.003 Col-9 137 12,0 1644 4,5/100 0.00787 <0.003 Col-10 Col-11 136 11.5 1564 7,0/100 0,00787 <0.003 137 11.5 1575.5 4.5/100 0.00787 <0.003 004070 SwL SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.O. Box 173668 Austin, Texas 78760 Client: SwL Dallas Attn: Robert Garrison Report No. Report Date Page 505092-656 June 1, 1992 2 of 2 Site: Southwestern Bell Telephone, 909 Colorado street, Austin, Texas Filter i.D. New bldg., 8th floor, elevator lobby at Room 805 Blank RESULTS SwL Lab No. Time (mini FR (i/ml Col-12 120 11.5 Volumes (liters) 1380 PB/FL 4,5/100 MFA 0.00787 AC* Fibers/cm <0.004 Cot-13 - 0.5/100 0.00787 *AC determined using a minimum 10 F8/100 FL Reliable Quantitation Unit where applicable. Fibers/cc are blank corrected where applicable. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Methodology 7400. 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 m lull without the approval of testing laboratory. The use of our name must receive our prior written approval. GG4071 /P2- C>fo S&1 SOUTHWESTERN LABORATORIES Client: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.O. Box 173668 Austin, Texas 78760 SwL Dallas Attn: Robert Garrison Client No. Report No. Report Date 505092-121 December 20, 1991 Project: Airborne asbestos samples taken by Kenneth Williamson with SwL on 12/16/91. Analyzed on 12/20/92. Site: Southwestern Bell Telephone, 909 Colorado Street, Austin, Texas Filter l,D. Old bldg, basement; hall at Room B24 Old bldg, basement; power room Old bldg, 3rd floor; elevator lobby at Room 303 Old bldg, 3rd floor; Room 301 New bldg, 5th floor; main elevator lobby New bldg, 5th floor; Room 521 New bldg, 8th floor; main elevator lobby New bldg, 8th floor hall at Room 813 New bldg, 1st floor Room 122 Hew bldg, basement; power room New bldg, basement; mech. room 0-1 New bldg, 1st floor mech. room 128 RESULTS Swl lab No. Time (min) FR 0/m) SWB-1 120 10,0 Vclumes filters) 1200 FB/Fl 3.0/100 MFA 0.00787 AC* Fibers/cm' <0.004 SWB-2 120 10.0 1200 1.0/100 0.00787 <0.004 SWB-3 120 10,5 1260 12.0/100 0.00787 0.005 SWB 4 SWB-5 SWB-6 SWB-7 SWB-8 SWB-9 SWB-10 SWB-11 SWB-12 120 10.0 1200 120 11.0 1320 120 10.0 1200 120 10.0 1200 120 10.0 1200 120 10.0 1200 120 10.5 1260 120 10.0 1200 120 10.0 1200 5.0/100 0.00787 <0.004 2.0/100 0.00787 <0.004 1.5/100 0.00787 <0.004 4.5/100 0.00787 <0.004 5.0/100 0.00787 <0.004 1.5/100 0.00787 <0.004 1.0/100 0.00787 <0.004 1.0/100 0.00787 <0,004 3.0/100 0.00787 <0.004 004072 S&L SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.O. Sox 173668 Austin, Texas 78760 Client: SwL Dallas Attn: Robert Garrison Client No. Report No. Report Date 305092-121 December 20, 1991 Project: Airborne asbestos samples taken by Kenneth Williamson with swL on 12/16/91. Analyzed on 12/20/92. Site: Southwestern Bell Telephone, 909 Colorado Street, Austin, Texas Filter I.D. Blank RESULTS (Continued) SwL Lab No, Tima (mini FR (I/ml Volumes (liters) SW8-13 FB/FL 1.5/100 MFA 0.00787 AC* Fibers/cm' Remarks: SOUTHWESTERN LABORATORIES, INC. Robert N. Dalton Asbestos Coordinator Hilary D. Johnshrllanagw Senior PrognBti 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 testing laboratory. The use of our name must receive our prior written approval. fn: ASBDALLAS 0J4073 S&L SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services DAILY LOG Reoort Date: 12/16/91 To: SwL - Dallas, Attn: Robert Garrison Project Name: Southwestern Bell Project No: 909 Colorado - Austin, Texas SwL Time Start: 7:30 a.m o<2 p uo dm PAGE 1 OF 2 Samoie Date: 12/16/91 No. of Samoies Taken: 13 Method of Test: NIOSH 7400-A SuDerintendent: SwL Technician: Kenneth Williamson Foreman: Sample location Old bldg, basement; hall at Room B24 Old bldg, basement; power room Old bldg, 3rd floor; elevator lobby at Room 303 Old bldg, 3rd floor; Room 301 New bldg, 5th floor; main elevator lobby New bldg, 5th floor Room 521 New bldg, 8th floor main elevator lobby New bldg, 8th floor hall at Room 813 New bldg, 1st floor Room 122 New bldg, basement; power room New bldg, basement; mech. room 0-1 New bldg, 1st floor mech. room 128 ID SWB-1 SWB-2 SWB-3 Time Start 10:55 am Time Stop 12:55 pm Total Time (min) 120 Flow Rate 0/m) 10.0 Volume (liters) 1200 Fibers/ Field 3.0/100 MFA 0.00787 FJcc <0,004 11:02 am 1:02 pm 120 10.0 1200 1.0/100 0.00787 <0,004 11:16 am 1:16 pm 120 10.5 1260 12.0/100 0.00787 0 005 SWB-4 11:20 am 1:20 pm 120 10.0 1200 5.0/100 0.00787 <0.004 SWB-5 11:38 am 1:38 pm 120 11.0 1320 2.0/100 0.00787 <0.004 SW8-6 11:41 am 1:41 pm 120 10.0 1200 1.5/100 0.00787 <0.004 SWB-7 11:44 am 1:44 pm 120 10.0 1200 4,5/100 0.00787 <0.004 SWB-8 11:53 am 1:53 pm 120 10.0 1200 5.0/100 0.00787 <0,004 SWB-9 12:00 pm 2:00 pm 120 10.0 1200 1.5/100 0.00787 <0.004 SWB-10 1:15 pm 3:15 pm 120 10.5 1260 1.0/100 0.00787 <0.004 SWB-11 1:20 pm 3:20 pm 120 10.0 1200 1.0/100 0.00787 <0,004 SWB-12 1:30 pm 3:30 pm 120 10.0 1200 3.0/100 0.00787 <0,004 0j!074 j{ P lioCl^ S&L SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services DAILY LOG Report Date: 12/16/91 To: SwL - Dallas, Attn: Robert Garrison Project Name: Southwestern Bell Project No: 909 Colorado - Austin, Texas SwL Time Start: 7: 30 a.m. SIod: 4:30 D.m. PAGE 2 OF 2 Sample Date: 12/16/91 No. of Samoles Taken: 13 Method of Test: NIOSH 7400-A Superintendent: SwL Technician: Kenneth Williamson Foreman: Sample Location Blank ID SWB-13 Time M , Time Stop ,, Total Time (mini Flow Rate fl/ml . Volume (liters) . Fibers/ Field 1.5/100 MFA 0.00787 Remarks: SOUTHWESTERN LABORATORIES, INC. Robert N. Dalton Asbestos Coordinator Our letters end reports are for the exclusive use of the client to whom they ere addressed. The letters and reports shell not be reproduced except in full without the approval of testing laboratory. The use of our name must receive our prior written approval. fn: ASBDALLAS G'jy'071 SWL * P.O. Bo* 224227 SOUTHWESTERN LABORA TORIES 2575 Lor* 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 106 San Antonio, TX 78216 Report Date: Date Received: Report Number: June 7, 1993 May 27, 1993 9305286 Identification: 1107 Water, Bastrop, IX SAMPLE NO, 01052193 02052193 03052193 04052193 0S052193 LQATIQN Mechanical Room #1 A/H Generator Room Mechanical Room #2 A/H, below attic opening Field blank Field blank VQMMJLl 1080 1080 1080 FIBERS PER CC <0.004 <0.004 <0.004 2.0/100 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. Analyst: 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 lull without the approval of the testing laboratory. The use of our name mu* receive our prior written zmOj SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2575 Lone Scar Drive R . Box 22-4227 Dallas. Texas 75222 21-4/263-1 133 Type of Activity: Decontamination_____Background Abatement ... -- ---------- ReiDKks!/<&[ /i C MdL, ----------------- n;idOT7 HOUSTON DALLAS AUSTIN BEAUMONT CONROE! GALVESSTTOBN COUNTY PtO 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 P.0. Box 17366 Austin, Texas 78760 Client: SwL Dallas Attn8 Tony Robertson Client No. Report No. Report Date 505093-175 November 3, 1992 Project: Airborne asbestos samples taken by Kenneth Williamson with SwL on 10/27/' Analyzed on 10/29/92. Site: Southwestern Bell Telephone, 909 Colorado St., Austin, Texas 1107 Water St., Bastrop, Texas 309 SW San Antonio St., Lockhard, Texas RESULTS 10- SwL Lab No. 909 Colorado St- Austin. Texas Time (mini FR fl/ml Old Bldg. Basement Hal @ Rm. 8-24 COL-1 150 11.5 Old Bldg. Basement Power Room COL-2 150 11.5 Old Bldg. 3rd Floor Bev. Lobby @ Rm. 303 COL-3 147 11.5 Old Bldg. Rm. 301 COL-4 140 11.0 New Bldg. Basement Mach. Rm. #0-1 COL-5 135 11.0 New Bldg. Basement Power Room COL-6 137 11.5 New Bldg. 1st Floor Rm. 122 COL-7 133 11.5 New Bldg. 1st Floor Beet Rm. 124 (Inside Rm. 122) COL-8 132 11.5 New Bldg. 5th Floor Bet. Lobby @ Rm. 521 COL-9 132 11.0 New Bldg. 5th Floor Rm. 521 COL-10 135 11.0 New Bldg. 8th Floor Rm. 804 COL-11 135 11.5 Volumes (liters) 1725 1725 1690.5 1540 1485 1575.5 1529.5 1518 1452 1485 1552.5 FB/FL 4.5/100 3.5/100 10.5/100 1.5/100 0/100 2.0/100 2.0/100 2.0/100 1.5/100 1.0/100 6.5/100 MFA Fibers/cm' 0.00787 <0.003 0.00787 <0.003 0.00787 0.003 0.00787 0.00787 <0.003 <0.003 0.00787 <0.003 0.00787 <0.003 0.00787 <0.003 0.00787 <0.003 0.00787 <0.003 0.00787 / <0.003 C04078 asm SwL Lab No,. Time fminl 909 Colorado St.. Austin Texas (Corn.) New Bldg. 8th Floor Eiev. Lobby # Rm. 805 COL-12 137 Field Blank COL-13 - RESULTS FR Volumes n/mi Alters? 11.5 1575.5 -- FB/FL 5.0/100 0/100 HOT Water St., Sastroo. Texas Switch Room BAS-1 AJr Handler Room BAS-2 Reid Blank BAS-3 145 11.5 145 11.5 -- 1667.5 1667.5 - 2.0/100 1.0/100 0/100 MFA AC* Elbeacm 0.00787 <0.003 0.00787 )/ : ) ' x - 0.00787 <0.003 0.00787 <0,003 0.00787 - 309 SW San Antonio St... Lockhart. Texas South end of Bldg. LOC-1 North end of Bldg. LOC-2 Field Blank LOC-3 145 11.5 145 11.5 - 1667.5 1667.5 . 1.5/100 3.0/100 0/100 0.00787 0.00787 0.00787 <0.003 <0.003 . AC etefarmlned using a minimum 10 PB/100 FI RelJabla Quantitation Unit wbera applicable, nbara/ee art blank corrected where applicable. SOUTHWESTERN LABORATORIES, INC. Robert N. Oaiton Asbestos Coordinator Hilary D. Johns Senior Our letters and reports are for the exclusive use of the client to whom they ere addressed. The letters and reports shall not be reproduced except In flit without the approval of testing laboratory. The use of our name must receive our prior written approval. 004079 SWL /T* ' P.0. Box 224227 SOUTHWESTERN LABORATORIES 2575 Lone Star Drive Dallas, Texas 75222 214/651-2700 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 11,1994 March 4, 1994 9403043 Identification: 1107 Water, Bastrop, TX SAMPLE NO. 01022894 02022894 03022894 04022894 05022894 LOCATION Emergency Engine Room Mechanical Room #1 Mechanical Room #2 Field blank Field blank VOLUME (L) 1068 1218 1199 FIBERS PER CC <0.004 <0.004 <0.004 1.0/100 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 l.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Kyle Env 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 resting laboratory. The use of our name must receive our prior written approval. 004080 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2373 Lone Star Oriva P O. Box 234327 Dallam. Taxas 75222 214/363-1 133 Report of test on: r/-> i i, Date tested: Project: / / 6) 7 /)/// f? f f~ , ^ cl tA > -f / <n Lab Number: Sample Number / ID Location Pump Number Time Flow and Det. Volume Limit Fibers per Field Fibers per cc am>m & Ate#--. otntfty jifi &tjjr i*t Me* 1 Off i.maiiyy. On//.* / J ^.4' L/Hin Elapsed '3*3S Off 1 Oi/d L V5V nrtb On 3* Elapsed 3*1 V Off L/Min /3-lg L a- Onfl'.JO nn7 Elapsed Al-o L/Min // L Off txloiWf On L/Min Elapsed Off On L/Min Elapsed Technician: __ __________ ____________ Analyst: ;________________ _____ CIH/IH: __Manager: Type of Activity: Decontamination Background Abatement Remarks: _________________________ _____________________________ Chain of Custody: ------------- ---------------- ------------------------------- ----- G j 4.0 81 HOUSTON QALUAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY RIO GRANOE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE MIOLANO MONROE SHREVEPORT TEXARKAMA SHOPMAN ScuL 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 1, 1992 August 31, 1992 9208277 Identification: 801 Runnels, Big Spring, TX On August 25, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 801 Runnels in Big Spring, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE NQ, LOCATION VOLUME. (L) FIBERS PER CC 082592 SBBS-01 Field blank 1,0/100 fids. 082592 SBBS-02 Field blank 0.0/100 fids. 082592 SBBS-03 1st floor, old Switch Room 1071 <0.005 082592 SBBS-04 Basement, Power Room 1071 <0.005 082592 SBBS-05 Basement, AHU Room 1071 <0.005 082592 SBBS-06 Basement, hallway 1081 <0.005 082592 SBBS-07 1st floor, new Switch Room 1111 <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 and Analytical Services G,,'40S2 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 Lone Star Drive Dallas, Texas 75222 a 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: 801 Runnels, Big Springs, TX Report Date: Date Received: Report Number: March 2, 1992 February 25, 1992 9202249 X? On February 19, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 801 Runnels in Big Spring, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: gAMPLEm LOCATION VQLIfflSiL), FIBERS PER CC 021992 SBBS-01 021992 SBBS-02 021992 SBBS-03 021992 SBBS-04 021992 SBBS-05 021992 SBBS-06 021992 SBBS-07 Field blank Field blank Basement, Cell area Basement, Office area near Emergency Generator 1st floor, Switch Room 1st floor, Frame Room 1st floor, Frame Room 864 1 855 902 824 902 4.5/100 fids. 1.5/100 fids. <0.006 <0.006 <0.005 <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 Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst Bob Garrett, Manager Environmental and Analytical Services 001083 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: 2575 Lone 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 20, 1994 April 18, 1994 9404143 Identification: 530 Deahl, Borger, TX SAMPLE NO. 01041294 02041294 03041294 04041294 LOCATION 1st floor, Air Handler Boiler Room Emergency Engine Room Mechanical Penthouse Field blank Field blank VOLUME (L) 1085 1120 1075 763 FIBERS PER CC <0.005 <0.004 <0.005 <0.006 0.0/100 fids. 3.0/100 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: Kyle Burroughs :kz Environmental and Analytical Services 01/4084 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 entineering, nondestructive, metallurgical and analytical services 2573 Lone Star Drive R O. Box 224227 Dallas. Texas 75222 214/2B3-1133 : - Ai>b,4os Ai < Report of test on . 4:| ^ Date tested Project: jplOrC^-Cr^ Lab Number: Sample Number / ID Location Pump Number Time Flow and Det. Volume Limit fe<- f< Off 4-S'2~ DtOfiXq^ S&ilep L mi- On (iCT L/Hi n Elapsed 94o om3"' msu on /a os L/Min Elapsed /iSLO L o-jioHa^H 040<{(23<f Off th\C\ &na inri On/^'OS Elapsed '2/fo Off TIG, /7/7<* On/>/5 Elapsed (10 Off On M* L/Min to'JS L L/Mi n 73 L/Min Elapsed Fibers per Field Fibers per cc CIH/IH: Type of Activity: Remarks: Analyst: Manager: Decontami nati on_____Background____ Abatement Chain of Custody: 004085 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY RIO GRANGE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE MIOLANO MONROE SHREVEPORT TEXARKANA SHERMAN 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: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Identification: Deahl, Borger, IX Report Date: Date Received: Report Number: August 30, 1993 August 12, 1993 9308160 / p a; - ; SAMPLE NQ, 01081193 02081193 03081193 04081193 05081193 LOCATION Emergency Engine Mechanical Room Boiler Room 2nd floor, Mechanical Room Field blank Penthouse Field blank VOLUME (L) 1085 1072 1090 1075 1078 FIBERS.PER CC <0.005 <0.005 <0.004 <0.005 0.0/100 fids. <0.005 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 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. 0j4086 SOUTHWESTERN LABORATORIES Mmrmh, tmHnmmuml amt gm$skwM tmmmmt. mmiatmam, amtaMurgiemt ami amafyUeml 3976 Lomu Sear Qrtvw R Q. Box 834337 Oates, Dmm 75222 214/363*1133 sh*>fc it a. MokiJi Report of test on: * Oate tested: JkJlaa Project: Sample Number / 10 oioiiws * BofCrj^r Attn ZtJatcetL ! *h Nunber: V1 Location Pump Humber Time Flow and | Oet. Volume Limit Fibers f Fibers per per Field cc &IM). EXq Off^^ f,sz 0n|*5S L/Hin *y^3i Elapsed IDt Q*k) l Off^^P i oot On^pi l/Min Elapsed o /*>' 3sisSsi. j2f^v _fljgdsi_ Bk**= Off]- OnSW L/Hin ^$ed G iorio L Off] .(O On 3 It) L/Min rM3 Elapsed o 4Hc Off On L/Hin Elapsed L Technician: Analyst: CIH/IH: _______________________ Manager: __________________ Type of Activity: ____Decontamination____ Background____ Abatement Remarks: Chain of Custody: --......... ...... ' . -- ------------ --------- ------- - _____ HOUSTON OPU-AS AUSTIN BEAUMONT CONRO* OAt.VC8TON COUNTY MO QRAMOC VUCV MJXANQMA AN ANTOMQ PORT WORTH * !_GSVSTMU* MOUNO MONK* SH-MvZPOfW TSXA/MKAMA BMSRMAN , Gj4087 Materials, aarirmmetttel ami gamaeknkal emwmormg, MarfHtraKftW, metelmpesl mid mmfytkal sambas SS79 Lon Star Qrtw * R CL Beat S2M227 * OaMM. IhMM 75222 814/263*1133 Pdhtd&> iiY Moni Date tested: ^llf J^3 Report of test on: project: DAaHWn l__________ SlBojrgcr g-eWi 'ffetierson Lab Number: Sample Number / ID Location Pump Number Time Row and Det. Volume Limit Fibers Fibers per per Field cc ixwUxflJS<~ ofrr.5 f-M on?: L/HIn IHT7 Elapsed o'? Off SP On L/HIn Elapsed L Off On L/Min Elapsed L Off On L/Min Elapsed Off L On JsMe Elapsed L Technician: ____________ Analyst: ______ CIH/IH: ____ Manager: _____________ Type of Activity: Decontamination Background Abatement Remarks: Chain of Custody: ------- - --... . ______ _________ __ wouerow *ustw haumqnt coNfvjg tww.vaTON countv no o**no \mujv ALmxANomA HAN ANTONK3 * PQHRT WORTH V.MBVTU.e MUQUMMO MOfSC* HRWVSPCWT TWXARRKANA ShaiRMAN 01*4088 StvL SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2S75 lone Star Drive 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: September 2, 1992 August 31, 1992 9208290 Identification: 530 N. Deahl, Borger, TX On August 31, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 530 N. Deahl in Borger, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME (L) FIBERS PER CC 082892 SBB-01 Field blank 0.5/100 fids. 082892 SBB-02 Field blank 1.0/100 fids. 082892 SBB-03 1st floor. Frame .Area 1071 <0.005 082892 SBB-04 1st floor, Toll Area 1081 <0.005 082892 SBB-05 1st floor. Switch Room 1071 <0.005 082892 SBB-06 Basement, Emergency Eng. Room 1042 <0.005 082892 SBB-06 Basement, Power Room 1042 <0.005 Analysis performed by Histe 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 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. OL-4089 S&1 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 2, 1992 February 25, 1992 9202252 Identification: 530 Deahl, Borger, TX On February 21, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 530 Deahl in Borger, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VQMJME (L) FIBERS PER CC 022192 SBB-01 022192 SBB-02 022192 SBB-03 022192 SBB-04 022192 SBB-05 022192 SBB-06 Field blank Field blank Switch Room Toll Room Basement, Cell area Basement, Emergency Eng. Room 1460 1326 1450 1432 2.0/100 fids. 1.5/100 fids. <0.003 <0.004 <0.003 <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 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. 004090 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2375 Lone Star Drive R . Box 224227 Dallas. Texas 75222 214/263-1133 Report of test on: - Date tested: 3 ~ f)Cj -Cf Project:^ X p (JU \ I jpCXj Lab Number: Sample Number / ID Location HI !&mj A CR*itrrr*- ,C\i 3c 0^ P-Q,L~- ).~itL-r-ri ^Loiyw-. vt. i? V 3 . ^-Q^n 1 .3 U 3 3 Pump Number M Time Flow and Volume Det. Limit 0 /\y O7 Off. i 0n /<X: 30 L/Min Elapsed /o & L Off SV>-> On , j ! >0 Elapsed <7^ ^10 L/Min L H' :> 3 Or 3 Elapsed ct-IOfn, L/Min (5) <l0 \rf (P \ 4 Off5.00 On /*U*> Elapsed jRs Oft , 5.w On /2. Jj Elapsed Z) ^ **r _) L/Min a. 3 L/Min /fifr L Fibers per Field Fibers per cc Technician; Analyst: Chain of Custody: CIH/IH: Manager: Type of Activity: Decontamination Background_____Abatement Rem^s L :7/f<? a^: Pi di^ ! QL --^23 "/v ~) 7<?*-} (~___________ . 004091 HOUSTON n*i LAS AUSTIN * BEAUMONT CONROE GAi_VESTQN COUNTV RIO GRANGE VALUEV ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILLE MJOLAinC VONRC* SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2373 Lon Scar Drive R Q. Box 224227 Dallas, Texas 75222 214/263-1 133 Report of test on: Date tested: 3 -Ztf.fJ Type of Activity: Remarks Decontamination____ Background_____ Abatement "7/3*7 Seir\j -Q(Lj - /<^4 ------- --/X____________________________________ __________________ ________ __ HOUSTON DALLAS AUSTIN BEAUMONT CONROE GAl.VEStQN COUNTY RIO GRANDS VALLEY ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILLE MIOLANC VONRQE SHREVEPORT TEXARKANA SHERMAN 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: April 20, 1994 April 18, 1994 9404142 Identification: 1608 5th, Canyon, TX SAMPLE NO, 01041394 02041394 03041394 LOCATION Emergency Engine Room Air Handler, Basement 1st floor. Air Handler Field blank Field blank VOLUME (Lj 763 841 990 FIBERS PER CC <0.006 <0.006 <0.005 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 by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC Analyst; Kyle/oti: :kz EnvW>: lenfeHmd Analytical Services Our letters and reporta are for the exclusive use of the client to whom they are 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. 0 G 4092 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2575 Lot Star Oriva R O, Sox 224227 Dalles. Texas 75222 214/263-1133 Report of test on: fj S fat'St& ^ /hC Date tested: CIH/IH: Type of Activity: Remarks: Manager: Decontamination Background Abatement HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY RIO GRANOE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SWL P.O. Box 224227 SOUTHWESTERN LABORATORIES 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: April 11, 1994 March 28, 1994 9403242 Identification: 11200 Pellicano SAMPLE NO, 19032394 20032394 23032394 24032394 LOCATION Mens Restroom, 1st floor Const. Work Center Field blank Field blank VOLUME (L) 1085 1204 USERS PER CC 0.005 <0.004 3.5/100 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 Kyle JBurrougbs r Environmental and Analytical Services Our tetters and reports are for the exclusive use of the client to whom they are addressed. The letters snd reports 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. 004094 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2375 Lone Star Drive R O, Box 224227 Dalles, Texes 75222 214/2B3-1133 Report of test on r\ o Date tested: /) 3 * " Vc/ Project: Lab Number: Sample Number /ID Location Pump Number Time Flow and Det. Volume Limit /Vjfcn a n<j?'yiycei^n I rL Off H'52- On ^.;Lc3 L/Min Elapsed L j2J0 3-i35</ I^VI 5 / jki CY ft C. Sm- Off $0m On f ^ ?m Elapsed `3.10 Off WU L/Min /*o</ L On L/Min Elapsed Fibers Fibers per per Field cc o^03^c| v*-- Off On L/Min Elapsed Off On L/Min Elapsed Technician: CIH/IH: Type of Activity: Remarks: Analyst: Manager: Decontamination__ Background Abatement Chain of Custody: 0j409o HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV WO GRANGE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE MIOLANO MONROE SHREVEPORT TEXARKANA SHERMAN 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 Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, IX 78216 Report Date: Date Received: Report Number: July 15, 1993 July 1, 1993 9307009 Identification: 11200 Pellican, El Paso, TX SAMPLE NO. 01062493 02062493 03062493 04062493 05062493 06062493 07062493 08062493 LOCATION Room 103 Room 116 Construction area outside of Room 118 Room 216, Adm. area Room 216, Copy Room 2nd floor. Conference Room Field blank Field blank VOLUME (L) 1080 1080 1080 1080 1080 1080 FIBERS PER CC <0.005 <0.005 <0.005 <0.005 <0.005 0.005 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 by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst:. :kz (^Analytical Services Our letters and reporta are 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. 0o4096 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2373 Lon Star Orfva * R CD. Box 224227 Dallas. Taxaa 75222 si 4/2B3-1133 : jAdO?/Report of test on Date tested:^ Project: //2 bd j- V f f'j/ f fp l) Lab Number: I Sample Number /ID Location A* P $) ft* i o 3 Ll~ A i j I L,: / v 7TT7 f) 3.1L . 4 HA/)irt. -CL ^yyx ov ( C- !A Xli-^ P ,4 -- Pump Number Time Flow and Det. Volume Limit A (Off a p.o On0s0 L/Hin fty Elapsed .3 1 L Off , 4 Aoin * ^ * Elapsed fan W fc- L/Min /Op \ r \ \ Off ^ <3:* S On.? ! j) Elapsed "o P- - L/Min /op L- Off 3- >o On/^-co Elapsed L/Min 4^> L \V .1 A \ Off y*> On 10 \ 00 Elapsed </ o L/Min (S<> / Fibers per Field Fibers per cc i? '$Aa..cL-p ^ e. ^ Technician: Uf. ^.Analyst: CIH/IH: Manager: Chain of Custody: Type of Activity:^ _ Decontamination Background Abatement Remarks / C'Z&> /i' /?&! r <Xu.j 5kr- /-ioQ> /->fc Oj4097 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV 0 GBANDS VALLEY ALEXANDRA SAN ANTONIO PORT WORTH LSSSVILLS MIDLAND MONBOe SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2373 i ornmn Rt-jw Driva R O. Box 224227 Dallas, Texas 75222 214/2S3-1 133 ,-JlSlDOil Report of test on . 0 ft Project:! /f ; ) iM- ^ L I i(lyy^ Q kci, - Xa Date tested: (* LV / Lab Number: Sample Number / ID Location , nh OSA.<^ Ujbi\ Ct^---- So 0 4"V \s y AV o /a. U /' r3 v* >A, JV uu Technician:VU >j iLil t Pump Number Time Flow and Det. Volume Limit V> r\\\ J \ m"5 o >' </.< On ifr.A L/Wn Elapsed /&' 9^t? Off On t/Min Rapsed Fibers Fibers per per Field cc Off On,..''^ L/Min Elapsed Off On L/Min Elapsed Off On L L/Min Elapsed L Analyst: Chain of Custody: CIH/IH: Manager: Type of Activity: Decontamination Background Abatement Remarks rSC'J AU( fftfk - .JXI.cl, u M'J , +6_~` Vf)'// <Tj a, t _cv/i'_ ~ /- II y^ |&I- . ! /i 4 7 ^/ C- HOUSTON QALJLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY WO GRANGE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH LEESV1U-E MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN 0j4098 SwL SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Sox 224227 2575 lone Ster 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: XA 0^ July 2, 1992 June 29, 1992 9206275 Identification: 11200 Pellicano, El Paso, Texas On June 25, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 11200 Pellicano in Ei Paso, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE N& yKAUQN VOLUME fLl FIBERS PER Cg 062592 SBP-01 Field blank 1.0/100 fids. 062592 SBP-02 Field blank 0.0/100 fids. 062592 SBP-03 1st floor. Office, Room 102 1318 0.004 062592 SBP-04 1st floor. Large Office, Room 116 1287 0.004 062592 SBP-05 1st floor, Large Administration area, north side of building 1307 <0.004 062592 SBP-06 1st floor. Mail Room 1297 <0.004 062592 SBP-07 2nd floor. Discussion Room 1463 <0.003 062592 SBP-08 2nd floor. Conference Room 1432 0.006 062592 SBP-09 Southwest comer cubicle at 1390 0.009 Analyst! performed by Fbue Coclrsit Microscopy in accordance with NIOSH Method 7400. SwL Dtllts is rated proficient by the KK>SH Proficiency Analytic*! Te*t (PAT) Program, Laboratory I.D. No. 75212-001. Analyst:,, '{Lt :kx SOUTHWESTERN LABORATORIES, INC. /hyi- Bob Garrett, Manager^" Environmental and Analytical Services Our letters and reports are for the exclusive use ofthe client to whom they are addressed. The letters and reports dull not be reproduced except in fill! without the approval of the testing laboratory. The use of our name must receive our prior written approval. 004099 S&L SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.O. 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 Report Date: Date Received: Report Number: July 2, 1992 June 19, 1992 9206182 Identification: 366 Cypress, Abilene, Texas On June 15, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 366 Cypress in Abilene, 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 061592 SBA-01 Field blank 1.0/100 fids. 061592 SBA-02 Field blank 1.0/100 fids. 061592 SBA-03 Basement, A/C Room 1327 <0.004 061592 SBA-04 Basement, A/C Room 1356 <0.004 061592 SBA-05 Basement, A/C Room 1403 <0.003 061592 SBA-06 Basement, Boiler Room 1384 <0.003 061592 SBA-07 Basement, Boiler Room 1394 <0.003 061592 SBA-08 Basement, Mechanical Room 1260 <0.004 061592 SBA-09 Basement, Special Services Room 1270 <0.004 061592 SBA-10 Basement, At & T Area, east end 1298 <0.004 061592 SBA-11 Basement, At & T Area, north central 1251 <0.004 061592 SBA-12 Basement, At & T Area, west end 1251 , <0.004 061592 SBA-13 6th floor, Penthouse, A/C Room * 1566 <0.003 061592 SBA-14 3rd floor, A/C Room 1518 <0.003 OLi 4100 SOUTHWESTERN LABORATORIES, INC. Report No: Report of: Reported to: PAGE 2 of 2 9206182 Air Monitoring Southwestern Bell Telephone .SAMPLE NO, 061592 SBA-15 061592 SBA-16 LOCATION 2nd floor, A/C Room 1st floor, A/C Room VOLUME (L) 1508 1317 FIBERS PER CC <0.003 <0.004 Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. Swi, Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. 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. Hie use of our name must receive our prior written approval. 004101 SwL SOUTHWESTEHiy 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 2, 1992 February 25, 1992 9202251 Identification: 3120 Eddy, Amarillo, TX On February 20, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 3120 Eddy in Amarillo, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SMgLENQ, LOCATION VOLUME (L) FIBERS PER CC 022092 SBA-01 022092 SBA-02 022092 SBA-03 022092 SBA-04 022092 SBA-05 022092 SBA-06 Field blank Field blank Break Room, Mail Room Directory Assistance TOPS, Toll & Assistance Mechanical Room, southwest end of bldg. 1143 1153 1045 1143 2.0/100 fids. 1.5/100 fids. <0.004 <0.004 <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. Analyst: y 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 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. 0 Ls 4102 MAXIM TECHNOLOGIES, INC. 222 Cavalcade Street 77009 * P.O. Box 8768 * Houston, Texas 77249 * (713) 692-9151 Client: Rebecca Perderson Soutwestem Bell Telephone One Bell Plaza, Room 910 Dallas, TX 75265 Client No.: Report No.: 95-10-178 Report Date: 10/17/95 Project: Airborne asbestos samples recieved on 10/17/95. Analyzed on 10/17/95. 1616 GUADALUPE, AUSTIN, TX Samnle Tvpe/Locarion 01101195; Fan Room #1 02101195; Fan Room #2 03101195; Mech. Room #2 04101195; Mech. Room #3 05101195; Mech. Room#l 09101195; 3rd Floor, Return Air RESULTS Sample No. 95-10-178-1 95-10-178-2 95-10-178-3 95-10-178-4 95-10-178-5 95-10-178-6 Volume 937 1212 1204 1085 1142 1432 AC* Fibers/c 0.003 <0.002 <0.002 <0.003 <0.003 0.0015 " AC detnmuned using s mmznsxn 5.5 FB/100 FL RnlisMn QussXiUtim Umtt when spplkabfe. Fibsm/oc sm btadc corrected whsm sppixmbte. Atmlysts porfonnsd by IkN Centrist Microscopy ta scootdsnen with NIOSH MatfaotMoc 7400. Muim Homes is mind proScictt by ths NIOSH Profidsnoy Ansiyticsi Test (PAT) Prognm, Lshornttny i.O. No. 7724M0I: Toils Deptettnont of Hoslth Uosnss No. 304)011, Effective Collection Amn fECA) is oqtml to 3*5. Analyst: 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 j 410 3 ittlroti i it lifts MAXIM TECHNOLOGIES, INC. 222 Cavalcade Street 77009 * P.O. Box 8768 * Houston, Texas 77249 * (713) 692-9151 Client: Rebecca Perderson Soutwestem Bell Telephone One Bell Plaza, Room 910 Dallas, TX 75265 Client No.: Report No.: 95-10-178 Report Date: 10/17/95 Project: Airborne asbestos samples recieved on 10/17/95. Analyzed on 10/17/95. 1616 GUADALUPE, AUSTIN, TX Samnie Tvoe/Location 01101195; Fan Room #1 02101195; Fan Room #2 03101195; Mech. Room #2 04101195; Mech. Room #3 05101195; Mech. Room #1 09101195; 3rf Floor, Return Air RESULTS Sample No. 95-10-178-1 95-10-178-2 95-10-178-3 95-10-178-4 95-10-178-5 95-10-178-6 Volume 937 1212 1204 1085 1142 1432 AC* Fibers/c 0.003 <0.002 <0.002 <0.003 <0.003 0.0015 * AC dcterzsaad usbg a $.5 F&/100 FL Reliabi# Quaefcitatkxa Limit whom applicable. Ftban/oc are blank oometed whom applicable, Analysis performed by Phase Cociraat Microscopy m accordance with NIOSH Methodotocy 7400, Maxim Houston is rated proficient by U NIOSH Proficiency Analytical Teat (PAT) Program, Labocuny i.D. No. 7724<MX)l; Texas Departure of Health License No. 30-0)18. Effective Cofiectkm Area lECA) is equal to 3*5. Analyst: 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. 0b4104 SOUTHWESTERN LABORATORIES Materials, environmental ami geotechnical engineering, noniestructive, metallurgical ami analytical services 2S7S Looa Star Oriva R O. Box 22^227 Dalla. Taxaa 75222 21.4/263-1 133 Report of test on: - As bastes A-'V 10 Date tested: 15 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY WO GRANOC VALLEY ALEXANOWA SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2573 Lons Scar Oriva R O. Box 224227 Dallaa. Taxaa 75222 214/263-1133 Report of test on: tes Air /Ol,, Date tested: I 1 ( Type of Activity: Decontamination Background Abatement Remarks: 004106 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY RIO GRANOE VALLEY ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SwL SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.Q. Box 173668 Austin, Texas 78760 Client: SwL Dallas Attns Robert Garrison Client No. Report No. Report Date 505092-121 December 20, 1991 Project: Airborne asbestos samples taken by Kenneth Williamson with SwL on 12/17/91. Analyzed on 12/20/92. Site: Southwestern Bell Telephone, 201 Cumberland Drive, Austin, Texas Filter I.D. 1st floor, switch room, west side 1st floor, lounge 2nd floor, switch room Basement power room Blank RESULTS Swt lab No, Time (min) FR (I/ml C-1 120 10.0 Volumes (liters) 1200 fb/fl 4.0/100 MPA 0.00787 AC* Fiba-s/cm <0.004 C-2 120 10.0 1200 5.5/100 0.00787 <0.004 C-3 120 10.0 1200 3.0/100 0.00787 <0.004 C-4 120 11.0 1320 1.0/100 0.00787 <0.004 ,C-5 ,, -2.0/100 0.00787 Remarks: SOUTHWESTERN LABORATORIES, INC. Robert N. Dalton Asbestos Coordinator 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 testing laboratory. The us* of our name must receive our prior written approval. fn: ASBDALLAS 00-1107 Su>L SOUTHWEBTERIM LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services DAILY LOG Reoort Date: 12/17 /91 To- SwL - Dallas, Attn: Robert Garrison Project Name: southwestern Bell Proiact No: 201 Cumberland - Austin, Texas SwL Time Start: 9:00 a.m. Stem: 1:00 D.m. PAGE 1 OF 1 Samole Date: 12/17/91 No. of Samples Taken: 5 Method of Test: NIOSH 7400-A Suoenntendent: SwL Technician: Kenneth Williamson Foreman: Sample Location 1st floor, switch room, west side 1st floor, lounge 2nd floor, switch room Basement, power room Blank ID C-1 C2 C-3 C-4 C5 Time Start 9:53 am Time Stop Total Time fmin) 11:53 am 120 Flow Rate (I/m) 10.0 Volume (liters) 1200 Fibers/ Field 4.0/100 MFA 0.00787 F/'cc <0.004 9:56 am 11:56 am 120 10:03 am 12:03 pm 120 10.0 1200 10.0 1200 5.5/100 3,0/100 0.00787 0.00787 <0.004 <0.004 10:06 am 12:06 pm 120 11.0 1320 ,. .. 1.0/100 0.00787 <0.004 2.0/100 0.00787 Remarks: SOUTHWESTERN LABORATORIES, INC. Robert N. Dalton Asbestos Coordinator 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 testing laboratory. The use of our name must receive our pnor written approval. fn: AS8DALLAS 004108 SOUTHWESTERN! LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.O. Box 173668 Austin , Texas 78760 Client: SwL Dallas Attn: Robert Garrison Report No. Report Date Page 505092-656 June 1, 1992 1 of 1 Project: Airborne asbestos samples taken by Kenneth Williamson with SwL on 5/28/92 Analyzed on 5/29/92. Site: Southwestern Bell Telephone 201 Cumberland Street, Austin, Texas Filter I D. . 2nd floor, switch room Basement, power room 1st floor, break area 1st floorr switch room Blank RESULTS SwL Lab No. Time (mini Hic-1 120 FR SM 11.5 Volumes (liters) 1380 FB/FL 8.0/100 XP MFA 0,00787 AC* Fibers/cm3 <0.004 Hic-2 Hic-3 120 11.5 120 12.0 1380 1440 0/100 2.0/100 0.00787 0.00787 <0.004 <0.003 Hic-4 120 12.0 1440 5.5/100 0.00787 <0.003 Hic-5 . 0/100 0.00787 - AC determined using a minimum 10 FB/100 FL Reliable Quantitation Unit where applicable. Bbers/cc are blank corrected where applicable. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Methodology 7400. 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 testing laboratory. The use of our name must receive our prior written approval. C'j4109 S&L SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 lone Star Drive Oallat, 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: April 19, 993 April 16, 993 9304159 , Vn 9 2,0 ' Identification: 817 North Loop, Austin, TX SAMPLE NO. 01041393 02041393 03041393 04041393 05041393 06041393 07041393 08041393 LOCATION Switch Room, 1st floor, 5 E area Switch Room, 1st floor, ESS area Switch Room, 1st floor. Frame area Basement, Mechanical Room, Air Handler Room i Basement, work area outside Mechanical Room 2 2nd floor, A/H Room Field blank Field blank VOLUME fLl 1080 1080 1080 1080 FIBERS PER CC <0.005 <0.005 <0.005 <0.005 1080 <0.005 1080 <0.005 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 by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: at* Our letters and reports ate 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. G j 41 j 0 C00aDbd iba/ns sz-.zi rts- S&L SOUTHWESTERN LABORATORIES MmtMt, mmkmmtuM mi gtmtduied mgumrkt, maiutrmlm m&tallmrtlad mat mtslfticei itmm 9.0. Vox mm zsn tone star Drive Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bel Telephone Attention: Gladys Haeckef 7159 Sen Pedro, Room 108 Sen Antonio, TX 78216 Report Date DateKaceived: Report Nwnbar: April 19, 1893 April 16,1993 9304189 i Identification: 817 North loop, Austin, IX SAMEUm 01041393 02041393 03041393 04041393 05041393 06041393 07041393 08041393 MCATTO Switch Reoes, in Boor, 3 S am Switch Room, lit floor, ESS am Switch Room, 1st floor, Frame am Baseeml. MechankalRoooi, Air Hasdkr Roots i lutncot, work am outside Medunial Room 2 2nd floor, A/H Rots Field Mack Field Made Ii 1080 QSBW <0.005 1080 <0.005 1080 <0.005 1010 <0.005 1080 <0.005 1080 <0.005 0.0/100 fids. 1,0/100 fids. AimJygiparf:<fsrf%, Cw&mit rUMt iws&sta by A* HIOCH Fwniy AntSPlMTett (PAT) Matted 7409. Swi.DUhte UUmmf I.D. Ne. 13213401. Analyst! 20d 80tt ISBl 036 PIS :0N HI SOUTHWESTERN LABORATORIES, INC. Services Tht kmc* < wpasw 6tl not N Tte ntfwianiMi^awr4Mtef^iiv4 "wa/ms CjIUI ai vz'.zx mi 6-9@-Atw SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2575 Lone Star Drive P . Box 224227 Dallas. Texas 75222 214/263-1 133 Report of test on: Date tested: Project: X P -3 ' 3 Lab Number: Type of Activity: Decontamination /^Background Remarks< 11ft '1 '}Y l.kb.&________ If //cUi Abatement C HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY RIO GRANGE VALLEY ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2573 Lone Star Drive R . Box 22-4227 Dallas. Texas 75222 21-4/263-1 133 Report of test on: - Date tested: /--/$ HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY RIO 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 P.O. Box 173668 Austin, Texas 78760 Client: SwL Dallas Attn: Robert Garrison Report No. Report Date Page 505092-656 June 1, 1992 1 of 1 Project: Airborne asbestos samples taken by Kenneth Williamson with SwL on 5/27/92 Analyzed on 5/29/92. Site: Southwestern Bell Telephone, 817 North Loop, Austin, Texas XP3b 10 RESULTS Filter 1.0. 1st floor, switch room SwL Lab No. Time (min) NL-1 120 FR (I/m) 12.0 Volumes (liters) 1440 EML 5.0/100 MFA 0.00787 AC* Fibers/cm' <0.003 Basement, old work area, east side of bldg. NL-2 120 11.5 1380 3.5/100 0.00787 <0.004 Basement, power room 2nd floor, work area NL-3 NL-4 120 11.5 120 12.0 1380 1440 1.0/100 8.0/100 0.00787 0.00787 <0.004 <0.003 Blank NL-5 ,, 0/100 0.00787 , u *AC determined using a minimum 10 FB/10Q FL Reliable Quantitation Unit where applicable. Flbers/cc are blank corrected where applicable. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Methodology 7400. !> Our letters and repons 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 testing laboratory. The use of our name must receive our prior written approval. Cj4114 S&L SOUTHWESTERN LABORATORIES Client: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 173668 # Austin, Texas 78760 ,/ 7 2L SwL Dallas Attn: Robert Garrison Client No. Report No. Report Date 505092-121 December 20, 1991 3 <L Project: Airborne asbestos samples taken by Kenneth Williamson with SwL on 12/19/91. Analyzed on 12/20/92. Site: Southwestern Bell Telephone, 817 North Loop Drive, Austin, Texas Filter I.D. Basement, work area Basement, power room 2nd floor at mechanical room #4 1st floor, switch room Blank RESULTS SwL Lab No. Time (mini FR (I/m) NL-1 127 10.0 NL-2 126 10.0 NL-3 120 10.0 Volumes (liters) 1270 1260 1200 FB/FL 9.5/100 2.0/100 4.0/100 MFA 0.00787 0.00787 0.00787 AC* Fibers/cm' <0,004 <0.004 <0.004 NL-4 121 11.0 1331 5.0/100 0,00787 <0.004 NL-5 ,, ,, 0/100 0.00787 Remarks: SOUTHWESTERN LABORATORIES, INC. Robert N. Datton Asbestos Coordinator 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 testing laboratory. The use of our name must receive our prior written approval. fn: ASBDALLAS 004115 ><vL SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services DAILY LOG . Reoort Data: 12/19/91 To: suL - Dallas. Attn: Robert Garrison Protect Name: Southwestern Bell Protect No: 817 N. Lood - Austin. Texas SwL Time Start: 8:00 a.m. StoD: 12:00 D.m. PAGE 1 OF 1 SamDle Date: 12/19/91 No. of Samples Taken: 5 Method of Test: MIOSH 7400-A Superintendent: SwL Technician: Kenneth Williamson Foreman: Sample Location Basement, work area Basement, power room 2nd floor at mechanical room #4 1st floor, switch room Blank - IP- NL-1 NL-2 NL-3 NL4 NL-5 Time Start 9:53 am 9:55 am 10.05 am Time Stop Total Time (min) 12:00 pm 127 12:01 pm 126 12:05 pm 120 Row Rate (l/m) 10.0 10.0 10.0 Volume (liters) 1270 1260 1200 Fibers/ 9.5/100 2.0/100 4.0/100 MFA 0.00787 0.00787 0.00787 F/cc <0.004 <0.004 <0.004 10:07 am 12:08 pm 121 11.0 1331 5.0/100 0/100 0,00787 <0,004 0.00787 . Remarks: SOUTHWESTERN LABORATORIES, INC. Robert N. Dalton Asbestos Coordinator Hilary D. Johns Senior Programs^Marjager, Our letters and reports are for ths 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 testing laboratory. The use of our name must receive our prior written approval. fn: ASBOALLAS C u 4116 SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Sox 224227 2S75 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: July 2, 1992 June 29, 1992 9206274 Identification: 11258 Pellicano, Ei Paso, Texas On June 25, 1992 a representative from Southwestern Laboratories Inc., ISwL) was at the Southwestern Beil facility located at 11258 Pellicano in El Paso, 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 062592 SBPW-01 Field blank 2.0/100 fids. 062592 SBPW-02 Field blank 2.0/100 fids. 062592 SBPW-03 Conference Room 1307 <0.004 062592 SBPW-04 Office/Copy Room 1328 <0.004 062592 SBPW-05 Telephone/Storage. Room 1297 0.005 062592 SBPW-06 Public Services 1307 <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 Bob Garrett, Manager :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 shill not be reproduced except in hill without the approval of the testing laboratory. The use of our name must receive our prior written approval. Gu4117 SOUTHWESTERfy 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: July 2, 1992 June 29, 1992 9206272 Identification: 520 Ivey, Ei Paso, Texas On June 23, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 520 Ivey in El Paso, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMELEMQa 062392 SBI-01 LOCATION Field blank VOLiaiEILl FIBERS PER CC 1.0/100 fids. 062392 SBI-02 Field blank 3.0/100 fids. 062392 SBI-03 Switch Room, E.S.S., south end 1359 <0.004 062392 SBI-04 Switch Room, E.S.S., north end 1359 <0.004 062392 SBI-05 Equipment Area, south end 1370 <0.003 062392 SBI-06 Equipment Area, north end 1359 <0.004 062392 SBI-07 Emergency Engine Room 1390 <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 fhdt.. Bob Garrett, Manager :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. G 1)4118 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: 510 Texas, Ei Paso, Texas Report Date: Date Received: Report Number: July 3, 1992 June 29, 1992 9206277 ftft 0 On June 26, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 510 Texas in El Paso, 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 062692 SBT-01 Field blank 0.0/100 fids. 062692 SBT-02 Field blank 0.0/100 fids. 062692 SBT-03 Basement, Mechanical Room B27 1308 <0.004 062692 SBT-04 Basement, Mechanical Room B28 1308 <0.004 062692 SBT-05 Basement, Mechanical Room B12 1308 <0.004 062692 SBT-06 Basement, Mechanical Room L87 1277 <0.004 062692 SBT-07 Basement, Mechanical Room L54 1297 <0.004 062692 SBT-08 3rd floor. Mechanical Room 349 ' 1443 <0.003 062692 SBT-09 3rd floor, Mechanical Room 351 1412 <0.003 062692 SBT-10 1st floor, Mechanical Room 110A * 1412 <0.003 062692 SBT-11 1st floor. Mechanical Room 113B ^ 1391 <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. Bob Garrett, Manager Environmental and Analytical Services Our letters and reporti are for the exclusive use of the client whom they are addressed. The letters and reports shall not be reproduced except in full without the approval of the testing loratory. The use of our name must receive our prior written approval. Co4119 S<v J' SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 2575 Lone Star Drive Dallas, lexas 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: 510 Texas, El Paso, Texas Report Date: Date Received: Report Number: November 10, 1992 November 9, 1992 9211075 AAoo$o On November 5, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 510 Texas in El Paso, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMFLENa LOCATION VOLUME (LI FIBERS PER CC 110592 SWB-01 Field blank 2.0/100 fids. 110592 SWB-02 Field blank 0.0/100 fids. 110592 SWB-03 110592 SWB-04 1st floor. Mechanical Room 110A 1st floor, Room 105 1222 <0.004 1073 <0.004 110592 SWB-05 1st floor, Room 111A 1272 <0.004 110592 SWB-06 1st floor. Room 137, Residential ,, Billing 1201 <0.004 110592 SWB-07 1st floor. Room 146, near Room 146A 1128 0.005 110592 SWB-08 1st floor. Room 146, opposite end of room from SBT-G7 1015 0.005 110592 SWB-09 3rd floor, Room 314 1032 <0.005 110592 SWB-10 3rd floor, Room 331 1014 0.005 110592 SWB-11 3rd floor. Auditorium 1006 <0.005 110592 SWB-12 3rd floor, Room 328 1110 <0.004 110592 SWB-13 3rd floor, Room 310 1014 <0.005 110592 SWB-14 3rd floor, Room 300 996 <0.004 110592 SWB-15 5th floor, Emergency Generator Room 1112 <0.004 Gj4120 SOUTHWESTERN LABORATORIES, INC Report No: Report of: Reported to: PAGE 2 of 2 9211075 Air Monitoring Southwestern Beil Telephone SAMPLE NO. LOCATION VOLUME (L) FIBERS PER CC 110592 SWB-16 110592 SWB-17 110592 SWB-18 5th floor, AHU Room near Control Panel 5th floor, AHU Room near fan 5th floor. Room 504 1112 1023 1147 <0.004 <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. Kyle Burroughs :kz Environmental and 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 hill without the approval of the testing laboratory. The uae of our name muit receive our prior written approval. 004121 \ ! c SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2573 Lone Star Drive P . Box 224227 Dallas, Texas 75222 214/263-1 1 33 XAdd^o Report of test on: y C Project: 06; C <?( n J_uLc2i> Date tested;/- ~r\3~Lf ] Lab Number: Sample Number / ID d> ts} 0 Location fb XI L /Yj i L I Y\ I.-VV "VS Vo DV ft v ft X? fV Ay ^ ^ i\ f vn~K nl L_ /h i rt^r K D XX. . iV l| *1 X L-V 7 JaLtk.XT (7 <0 0^ t c 0 A tf-4 \l Technician H tS Pump Number Time Flow and Det. Volume Limit \ Off | jo r% On ^ L/Min > Elapsed !0 0 1j ' L off ii f.6 On ^ J L/Hin A' w f aV Elapsed ii 0ff / On q >0 Elapsed ", n L f0 L/Min /^ L 0ff/ vr On a \ l) V }!L Elapsed nof Off ^ V_^* l H { > A1 EUpsed v <4-V L/Min /X L L/Min l U%0 L Fibers Fibers per per Field cc Analyst: Chain of Custody: CIH/IH: _________ * ________ Manager: Type of Activity: Decontamination____ Background Remarks vWJti -YxL iLJJ ^ x L. ---------- ,,,lfflir....lnnf:...............I-. /J *' fA' A"f\- Abatement Gj4122 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV Rio GRANDE VALLEY ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILLE MIOUANO MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2575 Lane Star Drive P O. Box 224227 Dallas. Texas 75222 214/263-1 133 nReport of test on: ^ 03 6 Project: i !f u < A.t _ pf P L-<' /ht oD Date tested: Lab Number: Sample Number / ID "V4 ho Location ^ (/ \ . <)t)' h i l-/iw C-A- yLx*--J- X V. A '<Ua^ P U&J? \ "7 ,ip r>' ,rP / fc ..Q'V fa \, A\) /. ,jfV ^L(. ^>1 gS^c-V-. .o ft 'Piir' fa Ml 1 O.i IdJeauVi? Pump Number Time Flow and Volume Det. Limit u 0ff/;5S u On^ L/Min 'll H 4 vgr\ y . V' Elapsed J~7 Of^ On . - \ Elapsed 7 * u Oft. ./* i-"* On, <- \ Elapsed ft) fa L W0 L/Min L >-/, J L/Min /6) fa L On?-7,; fa Elapsed Off ^ fa a-.-'3 0n O) 0\ JJ , -7 ' Elapsed 3 7, (/ 0 L/Min A>?> L L/Min /#) L Fibers per Field Fibers per cc '.JuldcLp Technician Analyst: Chain of Custody: CIH/IH: v_________________________ Manager: Type of Activity: _____Decontamination___ Background Abatement Remarks :fafa" hClttP P/TlP fa/-fa? /' fa 6- JPt- j ,>P7v- C04123 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV RIO GRANOE VALLEV ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE MIOLANO MONROE SHREVEPORT TEXARKANA SHERMAN 3 < I SOUTHWESTERN LABORATORIES iil Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2375 Lone Star Drive P , Sox 224227 Dallas, Texas 75222 21 4/2S3-1 133 AReport of test on: -)( Q 0_____ _________ Date tested: (j> X / ,6 Project: "ST-? {ilf Lab Number: HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY WO GRANGE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services Lone Star Drive P O Box 22^22"7 Dallas, Texas 75222 214/263-1 133 Report of test on: - Date tested: j - ^ T 5 Project: d0 Pcis^o Lab Number: Sample Number / ID Location Pump Number Time Flow and Volume Det. Limit Fibers per Field Fibers per cc X& A0 \KJ A v^ I9" t ii4 c -b' H1? v1)' X. , A ,1 !\, a }> 6- </ ^4^ \A .0 *;> a 13 f X(LflLflidac; IX'kX 6 & Jf / -/Technici1 a-i C.Uf A4' -=uc t v. Ip 0ff * On . . Si 60 Elapsed i-lo L/Min 10.8* L Off If.o ? (Y On _ . _ Elapsed jL?a L/Min J09> 1L k i $ Off 7.^ On avp Elapsed 9-1& Y- o L/Min /ol* L Off <7, 0n S S'7 Elapsed CLJd L/Mi n Md L 0ff7:3-> f o 0n'!,> L/Mi n Elapsed f 6 fo i 7-16 L Analyst: Chain of Custody: CIH/IH: Manager: Type of Activity^ ____ Decontamination Background Remarksrrr^ nJl-Lif /" -- AL-l'h t/ ffjy # ... limAldwil^.lllll. X' * ~ Xi- X"7'/ / )7 c -/A rf f- C /A A . \ *3 >v 1 Abatement & /Ir, Cj4125 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV RIO GRANOE VAI.I.EV ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2575 Lone Star Drive P . Box 224227 Dallas. Texas 75222 214/263-1 133 Report of test on: - "){ A do}> d Date tested: 4? J 1- 1) Project: S> & p c0 0 .tr ! Lab Number: ; Type cof Activity: ., h-wr-,C"c/?f - .. , Remarks: / > , __Decontamination J z.* "iy 1 r >IH_ X'u j -.4/ < cV 6r.. _Background_ /cf . Abatement Gj4126 HOUSTON PALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY RIO GRANDE VALLEY ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN 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: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, TX 78216 Report Date: Date Received: Report Number: July 27, 1993 July 01, 1993 9307010 YA j ; ; o Identification: 500 Texas, El Paso, Texas SAMPLE.NO, 01062393. 02062393 03062393 04062393 05062393 06062393 07062393 08062393 09062393 10062393 11062393 12062393 13062393 14062393 15062393 16062393 17062393 18062393 LOCATION VQLJUMEJL1 Basement, Main Mechanical Room 1080 Basement, Main Mechanical Room 1080 Basement Headquarters, A/H Room 1080 Basement, Headquarters, A/H Room 1080 Basement Headquarters, A/H Room 1080 Basement Headquarters, Mechanical Room, A/H 1080 Basement, Main, Em. Engine Exhaust pipe 1080 Basement, Main, Em. Engine Exhaust pipe 1080 Basement Chiller Room, Basement Main 1080 A/H Room 1080 Pipe Room, 3rd floor 1080 Room 110, pipe chase, 1st floor 1080 Room 137A, Revenue Mgt. Center 1080 Room 137B, Billing Inquiry Center 1080 Room 111, Federal Gov't Marketing 1080 Room 146, center 1080 Room 146, near Room 149 1080 Room 328, Conference Room 1080 FIBERS PER CC <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 0.005 <0.005 <0.005 SOUTHWESTERN LABORATORIES, INC Report No: Report of: Reported to: PAGE 2 of 2 9307010 Air Monitoring Southwestern Beil Telephone SAMPLE NO. 19062393 20062393 21062393 22062393 23062393 24062393 25062393 LOCATION Room 331, Forecasting Room 400 Penthouse Roof Room 504 Frank Alanz Office Field Blank Field Blank VOLUME fL) 1080 1080 1080 1080 1080 FIBERS PER CC <0.005 <0.005 <0.005 <0.005 <0.005 2.0/100 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 approval of the testing laboratory. The use of our name must receive our prior written approval. C04128 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services SS7S Lone Star Dnve R O. Box 33A337 Dallas. Texas 75222 214/2S3-1 133 Report of test on: - /kbdS h s f Moni fry. lCJ Date tested: 5/23/T4- Project: SOO &( fhso Adm' ^thtaca Ped&rson Lab Number: Sample Number /ID Location Pump Number Time Flow and Det. Volume Limit Fibers per Field Fibers per cc Q/n 5/^ Off fas S2.t ^On <?. (5 L/Mi n 0703*3lif 0/W 52? 27Dom (33/ Elapsed IW 7 a7 3 L Off f.S^ 7/75 On <7,50 L/Min Elapsed 3.+0 L Off (1/73 On?. 53 Elapsed > / r' Off L/Min /%0<f L 4-5Z C$03^<t I Do 3*3^ aw fA 3/8 Technician: __ 17/7* On % S'/ Elapsed L/Min /<>& L Off /(,7'k On/tf.,:^ Elapsed -ftYTT 4.4/ L/Min /** L Analyst: Chain of Custody: CIH/IH: __ Manager: Type of Activi ty: Decontamination Background_____Abatement Remarks: HA17W HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV RIO GRANOe VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2573 Lone Scar Drive R Q. Box 224227 Dallam, Texas 75222 214/263-1 133 Report of test on : 4sbeshs klf Mvn,kn/iq Date tested: ?Jl2 Project: `oOOT^dS ' *L-L Pq^SQ ft tin Rebecca federsnn Lab Number: Sample Number / ID Location pom L S. 02C32^<I t)^0323CW 04032-39^ oo/n UO. 13oo m ,LMl Z ^ Pump Number Time Flow and Det. Volume Limit Off 4<f7 I457 On ^ 2-3 L/Mi n Elapsed Off tol3 L >4-2.1a 5^ On<f. $ Elapsed 9-'10 Off L/Min H50 L HW On <?;*>/ Elapsed <2-7 o Off L/Min /20<f L H 27 <yX(of On <? V-o L/Mi n Elapsed /7? Fibers Fibers per per Field cc a<?0/W /2- Off 132.55 On <-/, Elapsed '3-'7o ti-45 L/Mi n //% L Technician: CIH/IH: Type of Activity: Remarks: Analyst: Manager: Decontamination_____Background Abatement Chain of Custody: Cj4130 HOUSTON OAU-AS AUSTIN BEAUMONT CONROE GALVESTON COUNTV RIO 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 2575 Lone Star Drive P O. Box 224227 Dallas. Texas 75222 a a 1^/263-1133 Report of test on: - /{S' LeS 4// /Hm / Date tested: Project: 0 t-j fdSo ...QjJn: .Rebecca M*?on Lab Number: Sample Number /ID Location Pump Number Time Flow and Det. Volume Limit Fibers Fibers per per Field cc itawf /M3Z3<7'I !3o3^ Ioom 6^s --p-----------Atom- Som $-3o n/% NiSt> M3b Off On id-oj Elapsed Zifa Off On /J.jS Elapsed i'7 r Off On f<):/3 Elapsed a 60 +*3 L/Mi n to $7 L 444 L/Min M3 L 4,4< L/Min ffO 2L fCi)0/n 0^ ,55 i 13 7 Mil On/d)2A L/Min Elapsed /0f2L Off H-L3 On /d-2/ L/Min Elapsed 3no L Technician: ________ _ Analyst: CIH/IH: _________ Manager: Type of Activity: Decontamination Background____ Abatement Remarks: Chain of Custody: G04131 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY RIO 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 2575 Lon Scar Orive R O. Box 224227 Dalle. Taxes 75222 214/2B3-1 133 Report of test on : -fishesk? fij( Mon i hn\ Date tested: ^^94 Project: SpQ I , h( P^<>o ________ AMn : fie btdee, Pedtrrm Lab Number: Sample Number / ID Location Pump Number Time Flow and Det. Volume Limit Fibers Fibers per per Field cc fa 63251if Off /7/7 7 On Elapsed Qlo Off <*% L/Min /AOf l iic^m n On /o; JJ L/Min Elapsed /A3 ?; io L Off A* 37 /cm On /d'.( L/Min Elapsed in Slo L Off a**'. field On L/Mi n Elapsed Off On L L/Min Elapsed L Technician: Analyst: Chain of Custody: CIH/IH: Manager: Type of Activity: DecontaminationBackground Abatement Remarks: 0^4132 HOUSTON * DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY # RIO GRANDE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SWL P.O. Sox 224227 SOUTHWESTERN LABORA TORIES 2575 Loot Stir 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: April 11, 1994 March 28, 1994 9403241 Identification: 500 Texas, El Paso, TX SAMPLE MD. 01032394 02032394 03032394 04032394 05032394 06032394 07032394 08032394 09032394 10032394 11032394 12032394 13032394 14032394 15032394 16032394 17032394 LOCATION Room L54 Room L87 Room L86 Room L86 Room B12 Room B12 Room B28 Room B31 Room B29 Room B18 Room B25 Room B28A Room B30 Room 137 Room 131 Room 339 Room 349 VOLUME (L) 1073 1150 1204 1789 1196 1147 1085 1204 1085 1394 1087 1643 U02 1092 1142 1204 1193 FIBERS PER CC <0.004 <0.004 <0.004 <0.002 <0.004 <0.004 <0.004 <0.004 <0.004 <0.003 <0.004 <0.002 <0.004 <0.004 <0.004 <0.004 <0.004 0'j4133 SOUTHWESTERN LABORATORIES, INC. Report No: Report of: Reported to: PAGE 2 of 2 9403241 Air Monitoring Southwestern Bell Telephone SAMPLE NO. 18032394 21032394 22032394 LOCATION Room 507 Field blank Field blank VOLUME (L) FIBERS PER CC 1180 <0.004 1.0/100 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. 752124X11. SOUTHWESTERN LABORATORIES, INC. Analyst: Kyle 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 fitll without the approval of the testing laboratory. The use of our name must receive our prior written approval. Cj4134 SA &1 SOUTHWESTERN LABORATORIES 6^ 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 2, 1992 June 29, 1992 9206270 y Ao$ %i Identification: 5845 Sean Haggerty, El Paso, Texas On June 23, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 5845 Sean Haggerty in El Paso, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NCL LOCATION VOLUME (L) FIBERS PER CC 062392 SBSH-01 Field blank 1.5/100 fids. 062392 SBSH-02 Field blank 0.0/100 fids. 062392 SBSH-03 Switch Room, north end 1266 <0.004 062392 SBSH-04 Switch Room, south end 1245 <0.004 062392 SBSH-05 Administration Area 1266 <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. Bob Garrett, Manager Environmental and Analytical Services alCoUei 135 Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall reproduced except in full without the approval of the testing laboratory. The use of our name must receive our prior written approval. S&L f\ y i ,- P 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: November 10, 1992 November 9, 1992 9211076 Y A oo Ao Identification: 6045 Griems, El Paso, TX On November 6, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 6045 Griems in El Paso, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMRCENQ. LOCATION VOLUME (L) FIBERS PER CC 110692 SVVB-01 Field blank 0.5/100 fids. 110692 SWB-02 Field blank 1.5/100 fids. 110692 SWB-03 1st floor, Computer Room 1278 <0.004 110692 SWB-04 1st floor, SCC Room at Control desk 1107 <0.004 110692 SWB-05 1st floor, SCC Room at north end 1068 <0.004 110692 SWB-06 1st floor, SCC Room, south end 1050 <0.005 110692 SWB-07 1st floor, SCC File/Library Room 1050 <0.005 110692 SWB-08 1st floor, SCC Storage Room 1050 <0.005 110692 SWB-09 1st floor. Switch Room, north end 931 <0.005 110692 SWB-10 1st floor. Switch Room, south end 1054 <0.005 Analysis performed by Phase Contract 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. 004136 Report of: Report to: 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 Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: July 13, 1992 June 29, 1992 9206273 Identification: 6045 Griems Ct., El Paso, TX On June 24, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 6045 Griems Ct. in El Paso, 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 PI 062492 SBG-01 Field Blank 1.0/100 062492 SBG-02 Field Blank 1.0/100 062492 SBG-03 Basement, Mechanical Room 1-3 1422 0.007 062492 SBG-04 Basement, Printer Room 1432 0.005 062492 SBG-05 Basement, Office 1432 <0.003 062492 SBG-06 Basement, Power Room 1422 <0.003 062492 SBG-07 Basement, Boiler Room L380 <0.003 062492 SBG-08 3rd floor, Switch Room, north end 1411 <0.003 062492 SBG-09 2nd floor, Switch Room, south end 1463 <0.003 062492 SBG-10 1st floor, Switch Room, north end 1422 0.005 062492 SBG-11 1st floor. Switch Room 1432 <0.003 Analyaia 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. Gu4137 S*L SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2575 Loo* Star Drive P.0. Box 224227, Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Mr. Joey Grubbs One Bell Plaza, Room 910 Dallas, Texas 75202 Report Date: Date Received: Report Number: December 18, 1991 December 11, 1991 9112129 o 04 Identification: 6045 Griems Ct. , El Paso, Texas On December 9, 1991 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 6045 Griems Gt. in El Paso, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO, LOCATION VOLUME fU FIBERS PER CC 120991 S8G-01 120991 SBG-02 120991 SBG-03 120991 SBG-04 120991 S8G-05 120991 SBG-06 120991 SBG-07 Field blank Field blank Mechanical Room #111, Basement level Mechanical Room #1-2, Basement level Boiler Room, Basement level Mechanical Room #1-3, Basement level Mechanical Room #1-3, Main water cut-offvalve area 1264 1264 1254 1274 1303 0.0/100 fids. 1.0/100 fids. <0.004 <0.004 <0.004 <0.004 <0.004 Analysis performed by Phase Contrast Microscopy in accordance with NI0SH Method 7400. SwL Dallas is rated proficient by the N10SH Proficiency Analytical Test (PAT) Program, Laboratory I.D. Mo. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analvs t ///// -A''- / J / -- - rlfrg. -/ V :kz Bob Garrett, Manager Environmental and Analytical Services Our letters end reports sre lor the exclusive use of ttie client to whom they are addressed. The letters end 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. 0j4138 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: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, TX 78216 Identification: 6045 Griems, El Paso, TX Report Date: Date Received: Report Number: July 12, 1993 July 1, 1993 9307005 L( SAMPLEm 09062493 , 10062493 11062493 12062493 13062493 14062493 15062493 16062493 17062493 LflCAIIQH Basement, Chiller Room Basement, Air Intake Room Basement, Emergency Engine Room 2nd floor. Switch Room, center 1st floor. Switch Room, center 1st floor, SCC 2nd floor. Lounge Field blank Field blank vQUIMEjX) 1080 1080 1080 1080 1080 1080 1080 FIBERS PER CC <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 0.007 0.0/100 fids. 1.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. 3wL Dallas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program. Laboratory I.D. No. 75212-001. i '' 0 SOUTHWESTERN LABORATORIES, INC. Analyst ._^z & Kyi^Byrrou En^ironmenta^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. G J 4139 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2575 Lone Scar Drive P O. Box 224227 Dallas. Texas 75222 214/263-1 133 Report of test on Project: /-- \ <-c -0 V. u/ n L ^2 ** Date tested: Lab Number: Sample Number / ID Location Pump Number Time Flow and Det. Volume Limit Fibers Fibers per per Field cc a i. V & fA Off, lj '^ ruiliv. Kx'Jyk On , ;J L/Mi n O. Elapsed / <>jo O ") ) V y-> n a u-. * i mil =4 S r I* HIM IMII l ILfr/M - Or* \I >/ !!, J I, t, A II "...... 7/i T*.* f(- <; 'i i "S Off Vj>-> On. _ Elapsed 1K fy CV \\ Off , 3> On | j <? Elapsed 7 . L/Min /7 L L/Min L *> V' \\9 \ A>A ofL,? ij j On ,M ^f L/Min n Elapsed /j'S* OffT, 7, } '/ > On L/Mi n A Elapsed , \ J 1 L Technician; j d ;>^v ^CULotk' ^ Analyst: Chain of Custody: CIH/IH: v__________ Manager: Type of Activity: ____ Decontamination TfV SL&JJ '->,.''7"/ Remarks: A/ Jt C. { j,0 -- / Background____ Abatement :3-_AjUuJu- na-v- ^y>~~lb HOUSTON DALLAS AUSTIN BEAUMONT CONBOE GALVESTON COUNTY BIO GBANOE VALLEY ALEXANOBIA SAN ANTONIO FORT WORTH LEESVILLE MIOLANO MONROE SHREVEPORT TEXARKANA SHERMAN Gj4140 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 53^*755 Lnm Star Dnv/ m ra__ `3*3^537 Report of test on: 00 ^ -; Date tested: ^ - w / i/ <A Project: Lr L' * i t'jt ^ / /.U--ri-c-z- Lab Number: __________ Sample Number / ID L. Location ^ J ur- 9$ -V ; -*Lj. A n v ,^7 /" Pump Number Time Flow and Det. Volume Limit Off on / Elapsed I Ac S Off . . K. > ' \' On LX Elapsed Off / On o -- s' lapsed ij ,, L/Mi n 1 J' L/Min L L/Min Fibers Fibers per per Field cc *n> V A Off On L/Min 2 Elapsed Off On L/Min Elapsed L Techniciciaiann:://^/^ / 0!.Ui /'/VAm 1 yst: Chain of Custody: CIH/IH: ________ __ Manager: Type of Activity: Decontamination , Background Abatement Remarks: ,4 4 S>(' xir,^ ' -V ' A\, Si- L / i .. / U kJ' iA A i.O-/t Go 4141 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV RIO GRANOE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORA TORIES Report of: Report to: P.O. 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 11, 1994 March 28, 1994 9403243 Identification: 6045 Griems, El Paso, TX SAMPLE NO. 01032494 02032494 03032494 04032494 10032494 11032494 location Mechanical Room Mechanical Room at main water 2nd floor, Equipment Boiler Room Field blank Field blank VOLUME (L) 1204 1085 310 1196 FIBERS PER CC <0.004 0.010 <0.015 <0.004 5.0/100 fids. 2.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordsnee with NIOSH Method 7400. SwL Dailss is rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst:. :kz Environmental and Analytical Services Our lettera 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. GG4142 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical entinetring, nondestructive, metallurgical and analytical services aS75 Lon Star Drive R , Box 224227 Dallas. Texas 75222 a 214/2B3-1 133 Technician: ___________ __________ Analyst: _____ _________ ___ CIH/IH: _Manager: Type of Activity: Decontamination___ Background Abatement Remarks: Chain of Custody: (774143 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GAUVESTON COUNTV RIO GRANDE VALUEV ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN 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: July 9, 1992 June 29, 1992 9206276 Identification: 7945 Parral, El Paso, TX On June 26, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 7945 Parral in El Paso, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: sample nq. LOCATION VOLUME (L) FIBERS PER C_G 062692 SBH-01 Field blank 0.5/100 fids. 062692 SBH-02 Field blank 3.0/100 fids. 062692 SBH-03 1st floor. Switch Room 1432 <0.003 062692 SBH-04 Basement, old AHU Room 1391 <0.004 062692 SBH-05 Basement, Emergency Engine Room 1391 <0.004 062692 SBH-06 Basement 1381 <0.004 062692 SBH-07 2nd floor, Switch Room 1360 <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. 752124X31. SOUTHWESTERN LABORATORIES, INC. Bob Garrett, Manager Environmental and Analytical Services GJ4144 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. / tS' r U" 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 e 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 11, 1992 November 9, 1992 9211077 XX mV Identification: 7945 Parral, El Paso, TX On November 6, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 7945 Parral in El Paso, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: gAMPLENO, LOCATION VOLUME flL) FIBERS PER CC 110692 SWB-01 Field blank 0.0/100 fids. 110692 SWB-02 Field blank 3.5/100 fids. 110692 SWB-03 1st floor, E.M.S. Switch Room, north end 1128 <0.004 110692 SWB-04 1st floor, E.M.S. Switch Room, south end 1007 <0.005 110692 SWB-05 1st floor, E.M.S. Office 1068 <0.005 110692 SWB-06 1st floor, Spec. Svcs. 1050 <0.005 110692 SWB-07 2nd floor. Mechanical Room 1032 <0.005 110692 SWB-08 2nd floor, 1A-ESS, northeast area 1157 <0.004 110692 SWB-09 2nd floor, 1A-ESS, northwest area 1157 <0.004 110692 SWB-10 2nd floor, 1A-ESS, south end 1204 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. ib SOUTHWESTERN LABORATORIES, INC. 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 fill! without the approval of the testing laboratory. The use of our name must receive our prior written approval. Gj4145 SWL P.O. Box 224227 SOUTHWESTERN LABORA TORIES 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, TX 78216 Report Date: Date Receivi ed: Repoirrtjtjfflfcnmber /V July 16, 1993 July 1, 1993 9307007 Identification: 7945 Parrai, El Paso, TX SAMPLE NO, 01062593 02062593 03062593 04062593 05062593 06062593 07062593 08062593 09062593 10062593 11062593 LOCATION Emergency Engine Room, Basement Air Handler Room, Basement Battery Area, Basement Air Chiller Room, Basement 1st floor. Switch Room 1st floor. Switch Room, Adm. Room 1st floor, DMS Area 2nd floor. Frame Room 2nd floor. Mechanical Room, A/H Field blank Field blank VOLUME fL) 1080 1080 1080 1080 1080 1080 1080 1080 1080 FIBERS PER CC <0.005 <0.005 <0.005 <0.005 0.005 <0.005 <0.005 <0.005 <0.005 0.5/100 fids. 0.5/100 fids. Analysis performed by Phsae 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- O' Analyst: SOUTHWESTERN LABORATORIES, INC. Our letters and reports are for the exclusive use of the client to whom they~te addressed. The letters and reports shill not be reproduced except in fitll without the approval of the testing laboratory. The use of our name must receive our prior written approval. Gj4146 }fh SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2575 Lone Star drive P O. Box 22-4227 Dallas. Texas 75222 214/263-1 1 33 ; Report of test on QtJLto\d) Payees Date tested: U Project: _______ Lab Number: Type of Activity: Decontamination Background____ Abatement Remarks: ~2/ S.4a<. /dA--,..S4_^,. HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY RIO GRANDE VALLEY ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES (/ Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2575 Lone Star Drive P O Box 224227 Dallas. Texas 75222 214/263-1 133 Report of test on: Xnod)W Project: e/> Ax-ctw) Date tested: Lab Number: Type of Activity: Decontamination Background____ Abatement ------------------ ------- Remark---- __H1 Sa-r*- ftcLro- /&> yfs4 ~tk n ^^(_L C j4148 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV RIO GRANOE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Ks Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services PB75 Star Dnua P O Box 224227 Dallas. Report of test on: Date tested: ^ ^ ^ Project: Lab Number: Type of Activity: DecontaminationBackground Abatement ----- ------------- -------- texdhj$<Jip yjfhj Af ficut Lu._ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ ~7'Sf __________ 004149 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY WO GRANOE VALUEV ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SWL P.O. 80* 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: April 11, 1994 March 28, 1994 9403244 Identification: 7945 Parral, El Paso, TX SAMPLE NO. 05032494 . 06032494 07032494 08032494 09032494 12032494 13032494 LOCATION Sump Room Mechanical Room Boiler Room Engine Room 2nd floor, Mechanical Room Field blank Field blank VOLUME fL) 1324 1150 1102 1142 1072 FIBERS PER CC <0.003 <0.004 <0.004 <0.004 <0.004 2.0/100 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. 73212-001. SOUTHWESTERN LABORATORIES, INC. Analyst :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 ilill without the approval of the testing laboratory. The use of our name must receive our prior written approval. Gj4150 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services ZS7S Lone Scar Drive R O. Box 224227 Dalle. Texas 75222 214/253-1 133 Report of test on: ~A5hes ii / Date tested: v 2^ rf Project: &rr&i 1 faso Lab Number: ______ CIH/IH: Type of Activity: Remarks: Manager: Decontamination Background____Abatement G o -i 151 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY RIO 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 2375 Lon Star Oriv IRQ. Box 22-4227 Dallas. Taxaa 75222 21-4/263-1 133 Report of test on : Li oim, lzri a-A ' J Project: "7^4 *5 foSSo y^^nr\. iZu'h<~>c-a--' P^ers-cm Date tested: 3jZ'fnf " r Lab Number: Sample Number / ID Location Pump Number Time Flow and Det. Volume Limit Fibers Fibers per per Field cc IZX/3W<i<l Off On L/Min Elapsed L Off 13o37M^ On L/Min Elapsed Off On L/Min Elapsed Off L On L/Min Elapsed Off On L/Min Elapsed Technician: CIH/IH: Type of Activity: Remarks: Analyst: Manager: _Decontamination___ Background_____Abatement Chain of Custody: -------------------------------------------------------------------------------------------------------- --------------- HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY RIO GRANOE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE MIOLANO MONROE SHREVEPORT TEXARKANA SHERMAN StL SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 257S 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: Ho 9506^McCombs, El Paso, Texas Report Date: Date Received: Report Number: July 2, 1992 June 29, 1992 9206271 /|7kT On June 23, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 9300 McCombs in El Paso, 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 062392 SBMC-01 Field blank 1.5/100 fids. 062392 SBMC-02 Field blank 0.5/100 fids. 062392 SBMC-03 Lounge/Vending Room 1401 <0.003 062392 SBMC-04 Southwest corner Office 1276 <0.004 Analysis performed by Phase Commit Microscopy in accordance with NIOSH Method 7400. SwL Dallaa ia rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Bob Garrett, Manager :kz Environmental and Analytical Services C'j4153 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 \ V 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 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 9210313 / Identification: 418 Gator, Gruver, TX On October 28, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 418 Gator in Gruver, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME (L) FIBERS PER CC 102892 SWG-01 Field blank 0.5/100 fids. 102892 SWG-02 Field blank 1.0/100 fids. 102892 SWG-03 Southeast area 965 <0.005 102892 SWG-04 West side (center) 1165 <0.004 102892 SWG-05 Center of Room 1157 <0.004 102892 SWG-06 Northeast area at Cell Area 1157 <0.004 102892 SWG-07 Mechanical Room 1148 <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. Gj4154 SWL P.Q, Vox 224227 SOUTHWESTERN LABORATORIES 2575 too# Stir Drive DiIIm, Tow* 75222 214/651-2700 Report of; Report to: Air Monitoring Southwestern Ml Telephone Attention: Rebecca Pederson One Beil Plaza, Room 910 Dallas, TX 76202 Report Date: Belt Recrired: Report Numbers July 7, 1994 June 30, 1994 9406238 Identification: 125 W, Stevenson, Hale Canter SAMPLE WO, 16062494 062494 062494 17062494 Mechanical Room Field blank #3 Field blank #4 By fmt door VOLUMES 1193 1220 Qll.JDt IS PER CC <0.004 0.0/100 (Ids. 2.0/100 fids. <0.004 Amiyite performed by Kiw CoMttsS VEetemtpf m wmiaasc widt NIOSH Metkni 7400. SwL P*fe* k nacd prefkiear by rite NIOSH Pioft&maf AMlytfeari Ten (PAT) Program. tebeamty 1.0. No. 73212401. SOUTHWESTERN LABORATORIES, INC. Analyslii^^ Industrial Hygiene Technician Oor team tad lepwm re ftw ifc# eiehiave ue of 4n cliea* la wbom 4wy u The keen ted rcpwa rtull not be fcippriiriilof (fee urig latanmy. Tie ost of oor eat owe receive mu prior wriota tppmvil. PQd T9# T68T 026 t?I2:0N 131 -wa/ms :ai 0:1T 0371 trS.-lT-ETltl SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 3373 Lone Star Drive R . Box 33-4337 Dallas. TaxiM 75222 314/3B3-1 133 Report of test on: - Air Project: |2-5 Vj.'Sfc+llft'SCflj V~t Afg- Of htjOT' Date tested: Lab Number: Sample Number / ID Location Pump Number Time Flow and Det. Volume Limit Off <0*1 Elapsed Off 4*^2- L/Min tW3 L ' ^iiLv .. .................. 0* -- door On L/Min Elapsed Off L On L/Min Elapsed Off L +52L/Min - Elapsed -no Off On t&-0 L 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: GJ4156 HOUSTON OALL&S AUSTIN BEAUMONT C0NR08 GALVESTON COUNTV RIO GRANDE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE 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 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 2, 1992 February 25, 1992 9202250 Identification: 324 N. Miles, Hereford, TX On February 20, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 324 N. Miles in Hereford, 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 022092 SBH-01 022092 SBH-02 022092 SBH-03 022092 SBH-04 022092 SBH-05 022092 SBH-06 Field blank Field blank 1st floor. New Switch Room 1st floor, Old Switch Room Basement, near Air Dryer 2nd floor. Fan Room 1283 1395 1395 1385 2.0/100 fids. 3.0/100 fids. <0.004 <0.003 <0.003 <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. Bob Garrett, Manager Environmental and Analytical,Ser 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/ / ri SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 257b 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 30, 1992 August 31, 1992 9208279 Identification: 334 N. Mile, Hereford, TX On August 27, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 334 N. Mile in Hereford, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME fLI FIBERS PER CC 082792 SBH-01 Field blank 0.0/100 fids. 082792 SBH-02 Field blank 0.5/100 fids. 082792 SBH-03 Basement, Fan Room 1438 <0.003 082792 SBH-04 Basement, Boiler Room 1538 <0.003 082792 SBH-05 Basement, Emergency Eng. Room 1379 <0.003 082792 SBH-06 1st floor. Old Switch Room 1290 <0.004 082792 SBH-07 1st floor, New Switch Room 1270 <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. Anatyst:/^^ K :kz KyiajBurtpugl Environmental and Analytical Services 0 Li 4158 Our lettcn 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. 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: 215 E. Franklin, Hillsboro, Texas Report Date: Date Received: Report Number: June 11, 1992 June 8, 1992 9206081 Y On June 8, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 215 E. Franklin in Hillsboro, Texas to provide prevalent air monitoring during normal work activities. The results of the air samples collected are as follows: SAMPLE NO, LOCATION yOLUMEJLi FIBERS PER CC 060892 SWBH-01 Field blank 2.0/100 fids. 060892 SWBH-02 Field blank 0.0/100 fids. 060892 SWBH-03 Diesel Fuel and Mechanical Room 1039 <0.005 060892 SWBH-04 Air Handling Room 1039 <0.005 060892 SWBH-05 Switch 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. Bob Garrett, Manager Environmental and Analytical Services 0^4159 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 P.0. Box 224227 2575 Lone Star Drive Dallas, Texas 75222 214/631-2700 Report of: Air Monitoring Report to: . Southwestern Beil Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Identification: 2A 294 W. Campbell, Kermit, TX Report Date: Date Received: Report Number: Novembers, 1992 October 29, 1992 9210311 On October 26, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 291 W. Campbell in Kermit, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE NO. LOCATION vOLmffiiLl FIBERS PER CC 102692 SBK-01 Field blank 2.0/100 fids. 102692 SBK-02 Field blank 0.0/100 fids. 102692 SBK-03 Doorway at AHU Room and Emer. Gen. Room ! 148 <0.004 102692 SBK-04 102692 SBK-05 102692 SBK-06 102692 SBK-07 Southeast comer Switching Room East wall Switching Room North wall Switching Room Cell area near Switching Equipment 1148 1139 1139 957 <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, 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 lull 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 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, TX 78216 Identification: 210 W. Campbell, Kermit, TX Report Date: Date Received: Report Number: , / ; y /' August 3, 1993 July 19, 1993 9307160 SAMPLE-NO, 01070793 02070793 03070793 04070793 05070793 06070793 07070793 LOCATION 1st floor. Mechanical Room (Freeland Street) NDS side, frame, back wall NDS side, frame, back wall NDS area (Campbell Street) Field blank Field blank VOLUME fL> 1080 1080 1080 1080 1080 FIBERS PER CC <0.004 <0.004 <0.004 <0.004 <0.004 3.5/100 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. Analyst: 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 fiill without the approval of the testing laboratory. The use of our name must receive our prior written approval. GJ4161 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2575 Lone Star Drive P O. Box 224227 Dallas. Texas ) Report of test on: "U- i_^^ 75222 214/2B3-1 133 Date tested: (Q7 ~"Q 1 '*7 J> Project: / f W y,L 2. j L Lw Lab Number: / Type of Activity: Remarks: - '~Sv ' V X/ Decontamination Background Abatement /~ ^ !s . '6. n/ \ ? // iLdl2L HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV RIO GRANGE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2575 Lonnoe/./SSttar Drive P O Box 224227 Dallas, Texas 75222 214/253-1 133 Report of test on:/[- /_ ' : } ^ . / Date tested "'i Project: V^/U V . Q* II' / / <. Lab Number: Sample Number /ID C. j'/i' Location 1 L: i .-/* --r-rr^-- Pump Number Time Flow and Det. Volume Li mi t Off V L/Min Elapsed Fibers Fibers per per Field cc Off On L/Min Elapsed Off On L/Min Elapsed Off On L/Min Elapsed L Off On L/Min Elapsed Technician; CIH/IH: /-- '' X/ "~7.... Analyst: Manager: Chain of Custody: Type of Activity: Decontamination Background Abatement Remark's?^'-'' .--1." *' . _-7 , \ \ 7 >: GJ4163 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV RIO GRANGE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN 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: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Identification: 201 W. Campbell, Kermit, TX SAMPLE NO. 05052494 05052494 #3 #4 LOCATION Switchroom, first floonby heater) Mechanical room, first floor Field blank Field blank Report Date: Date Received: Report Number: May 27, 1994 May 27, 1994 9405246 VOLUME (L) 1089 1084 FIBERS FER--CG <0.005 <0.005 0.0/100 flds 0.5/100 flds 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 l.D. No. 75212-001. TERN LABORATORIES, IN jLu. Analyst iwk* :bf KyieiBunpugi 0o4164 Environmental and Analytical Services Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and report* 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 2375 Lana Scar Drive IRQ. Box 224227 Dallas. Texas 75222 214/263-1133 Report,of test on: Anf -lion.- to, ,,; -) Date tested: Project: %?( Uu> ; KgYMi t~ --__________ Pt&rs KebaQ9e & <x tr t Lab Number: Sample cpvo/ lAJ (A^WiP,,bci'i i --L/ Number / ID Location Pump Number Time Flow and Det. Volume Limit OHoS^^cj [/$ u 5~>21/ Cjtj / OtfW\ 3*-t F \(Z(bl Itake') M Urn JlSi T /. ii. V, Off On if.sq L/Hi n lapsed 10?"? mo I Off lASX' 1, On L/Min J 1`. o a t Elapsed Z.^0 Off O> M/ll llr F 7F-A nigfyn On L/Min Elapsed Off L On L/Min Elapsed Fibers Fibers per per Field cc Off On L/Mi n Elapsed L Technician: Analyst: CIH/IH: ______ Manager: Type of Activity: _____ Decontamination Background____ Abatement Remarks: Chain of Custody: IkTITSS HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV RIO GRANOE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH # LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2573 Lana Star Drive P Q. Sox 224227 Dallas, Texas 75222 21 U/2B3-1 133 Report of test on: _________ ______ __ n e *1 Date tested: ' /'- - > Type of Activity: Decontamination Background___ _Abatement ------------ - RewrksMPa. r(iytfwLc Jli~-. ------------------------- / tu . /XoLa. A- ib CO4166 HOUSTON niai i Apt AUSTIN BEAUMONT CONROE "jA^EStON COUNTY WO GPANOE VALUEV ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILLE MlOLANU `ONBOe SHREVEPORT TEXARKANA SHERMAN S*L 6iv X 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 Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: Novembers, 1992 October 29, 1992 9210314 Identification: 218 E. Second, Lefors, TX On October 28, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 218 E. Second in Lefors, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME (L) FIBERS PER CC 102892 SBLF-01 Field blank 0.0/100 fids. 102892 SBLF-02 Field blank 0.0/100 fids. 102892 SBLF-03 Northeast comer of room 890 <0.006 102892 SBLF-04 West wall (center) 742 <0.007 102892 SBLF-05 Southeast area of room 881 <0.006 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. Analyst: SOUTHWESTERN LABORATORIES, INC. Our letten and reporta 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. Gj- 187 191 1 TSOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 17366 Austin, Texas 78760 Client: SwL Dallas Attn: Tony Robertson Client No. Report No. Report Date 505093-175 November 3, 1992 Project Airborne asbestos samples taken by Kenneth Williamson with SwL on 10/27/92. Analyzed on 10/29/92. Site: Southwestern Bell Telephone, 909 Colorado St., Austin, Texas 1107 Water St., Bastrop, Texas 309 SW San Antonio St., Lockhard, Texas RESULTS FilterJJJL SwL Lab No. Time (mini FR (l/mi 909 Colorado St., Austin, Texas Old Bldg. Basement Hal <3* Rm. B-24 COL-1 150 11.5 Old Bldg. Basement Power Room COL-2 150 11.5 Old Bldg. 3rd Floor Elev. Lobby @ Rm. 303 COL-3 147 11.5 Old Bldg. Rm. 301 COL-4 140 11.0 New Bldg. Basement Mech. Rm. #0-1 COL-5 135 11.0 New Bldg. Basement Power Room COL-6 137 11.5 New Bldg. 1st Floor Rm. 122 COL-7 133 11.5 New Bldg. 1st Floor Beet Rm. 124 (Inside Rm. 122) COL-6 132 11.5 New Bldg. 5th Floor Bev. Lobby @ Rm. 521 COL-9 132 11.0 New Bldg. 5th Floor Rm. 521 COL-10 135 11.0 New Bldg. 8th Floor Rm. 804 COL-11 135 11.5 Volumes (liters) 1725 1725 1690.5 1540 1485 1575.5 1529.5 1518 1452 1485 1552.5 ia 4.5/100 3.5/100 10.5/100 1.5/100 0/100 2.0/100 2.0/100 2.0/100 1.5/100 1.0/100 6.5/100 MFA Ebers/gm: 0.00787 <0.003 0.00787 <0.003 0.00787 0.003 0.00787 0.00787 <0.003 <0.003 0.00787 <0.003 0.00787 <0.003 0.00787 <0.003 0.00787 <0.003 0.00787 <0.003 0.00787 <0.003 0j4168 - -P O'- euLm Time Swl lab No. (mini fM-Obtomdo a. Austin.TgaaJCgoU Nsw Bldg. 8th Floor Bov. Lobby < Rm. 80S COL-12 137 FWd Blank COL-13 . RESULTS FR Volumts SM (Stars) 11.5 1575.5 -- EML 5.0/100 0/100 11Q?-WtlarJt... 6aatroe-._Iffiai Switch Boom SAS-1 Mr Handler Boom 8AS-2 Field Blank BAS-3 145 m 145 11.5 -- 1667.5 1667.5 - 5.0/100 1.0/100 0/100 WLMMLMmLM* South and of Bldg. North and of Bldg. FMd Blank LOC-1 IOC-2 LOC-3 145 11.5 145 11J e> 1667.5 1667.5 1.5/100 3.0/100 0/100 AC* MFA E&%l223 0.00787 *0.003 0.00787 %* MOT*? *0.003 0.00787 0.00787 A 0.00787 <0.003 "~ T 0.00787 p ^ <o.oo3y -7 .5 r -- 0.00787 I I "K determined using a minimum 10 FB/100 Ft AeSable Quantitation Unit wnw* applicable. FKswitfcc art btanit eerreetad where appScabte. SOUTHWESTERN LABORATORIES, INC. Robert N. Dalton Asbestos Coordinator Hilary D. Johns Senior Programs Mi Our letter* end reports ar* for the exclusive us* of the dent to whom they art addressed. The letters and reports aha* not be reproduced except In Ml wfthout the approval of testing laboratory. The use of our name must receive our prior written approval \# v. 004169 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: July 1, 1992 June 19, 1992 9206185 X? *'3 ? Identification: 2010 Ave. R, Lubbock, Texas On June 18, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 2010 Ave. R in Lubbock, 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 061892 SBLR-01 Field blank 3.0/100 fids. 061892 SBLR-02 Field blank 3.0/100 fids. 061892 SBLR-03 3rd floor, A/C duct shaft Room 327 1146 <0.004 061892 SBLR-04 3rd floor, pipe chase 1146 <0.004 061892 SBLR-05 061892 SBLR-06 1st floor, A/C duct shaft 1st floor, pipe chase 1795 <0.003 1088 <0.004 061892 SBLR-07 Basement, Mechanical Room No. 1 1231 <0.004 061892 SBLR-08 Basement, Large Mechanical Room, north end 1231 <0.004 061892 SBLR-09 Basement, Large Mechanical Room, south end 1241 <0.004 061892 SBLR-10 Basement, Boiler Room 1203 <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. Bob Garrett, Manager Environmental and Analytical Services Gj4170 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. 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 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: ,4 5 June 24, 1992 June 19,1992 9206184 Identification: 1405 Main, Lubbock, TX On June 17, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 1405 Main in Lubbock, 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 061792 SBL-01 Field blank 0.0/100 fids. 061792 SBL-02 Field blank 1.0/100 fids. v 061792 SBL-03 / y 061792 SBL-04 Basement, Sherwood Bldg., Boiler Room 011 Basement, Sherwood Bldg., AHU Room SO 12 1327 1298 <0.004 0.005 061792 SBL-05 Basement, Porter Bldg., AHU Room 003 1346 <0.004 061792 SBL-06 Basement, Porter Bldg., Cell Area 1375 <0.003 061792 SBL-07 Basement, Porter Bldg., Pump Area, Room 001 1317 <0.004 061792 SBL-08 Basement, Porter Bldg., Large Pump Room 001 1298 <0.004 061792 SBL-09 Basement, Porter Bldg., Boiler Room 1279 <0.004 , 061792 SBL-10 1st floor, Sherwood Bldg., AHU Room 101 1442 0.004 v 061792 SBL-11 1st floor, Porter/Sherwood Bldg., west Mechanical Room 10S 1298 <0.004 C 061792 SBL-12 1st floor, Porter/Sherwood Bldg., [_Occt0 south Mechanical Room 125-B 1298 <0.004 C 061792 SBL-13 1st floor, Porter/Sherwood Bldg., abandoned Switching Room , uCg 1403 <0.003 KJ 061792 SBL-14 3rd floor, Sherwood Bldg., area used to be a AHU Room ( ......---- 1317 0.007 0^4171 SOUTHWESTERN LABORATORIES, INC Report No: Report of: Reported to: PAGE 2 of 2 9206184 Air Monitoring Southwestern Bell Telephone SAMPLE NO. LOCATION 061792 SBL-15 061792 SBL-16 061792 SBL-17 061792 SBL-18 061792 SBL-19 061792 SBL-20 061792 SBL-21 3rd floor, Porter/Sherwood Bldg., west Mechanical Room 305 3rd floor, Porter/Sherwood Bldg., south Mechanical Room 325B 5th floor, Sherwood Bldg., area used to be a AHU Room S504 5th floor, Porter Bldg., Room P501 3rd floor. Porter Bldg., Emergency Engine Room 3rd floor. Porter Bldg., Mechanical Room 307 3rd floor, Porter Bldg., Fan Room Room 307 VOLUME (L) FIBERS PER CC 1327 <0.004 1317 <0.004 1270 <0.004 1241 1212 <0.004 <0.004 1231 <0.004 1241 <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 l.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Bob Garrett, Manager :kz Environmental and Analytical Services Cj4172 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 i/ S&1 lb IA>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 Identification: 1405 Main, Lubbock, TX Report Date: Date Received: Report Number: November 5, 1992 October 29, 1992 9210312 2J 7 S On October 27, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 1405 Main in Lubbock, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE NO. 102792 SBL-01 LOCATION Field blank VOLUME fL) FIBERS PER CC 1.0/100 fids. 102792 SBL-02 Field blank 0.0/100 fids. 102792 SBL-03 Sherwood Bldg., 1st floor, AHU, Room 101 1095 <0.004 102792 SBL-04 Porter-Sherwood Bldg., 1st floor, AC Power Room 1086 <0.005 102792 SBL-05 Porter Bldg., 1st floor, old AT &T Long Distance Room 928 0.006 102792 SBL-06 Void - 102792 SBL-07 Porter-Sherwood, 3rd floor. Break Room 1210 <0.004 102792 SBL-08 Porter-Sherwood, AHU Room 002, Basement 816 <0.006 * 102792 SBL-09 Porter-Sherwood, Supply Air Duct, Room 002, Basement 970 <0.005 ` 102792 SBL-10 Sherwood Bldg., 2nd floor, AHU Room 216 1068 <0.005 102792 SBL-11 7 102792 SBL-12 Porter-Sherwood Bldg., Mechanical Room 325-B Porter-Sherwood Bldg., Mechanical Room 304 961 <0.005 952 <0.005 ' 102792 SBL-13 Porter Bldg., 5th floor, hallway 1121 <0.004 004173 SOUTHWESTERN LABORATORIES, INC Report No: Report of: Reported to: PAGE 2 of 2 9210312 Air Monitoring Southwestern Bell Telephone SAMPLE NO. 102792 SBL-14 102792 SBL-15 102792 SBL-16 102792 SBL-17 LOCATION Porter Bldg., 5th floor. Room S501 Porter Bldg., 5th floor. Room S505 Sherwood Bldg., 5th floor, hallway Sherwood Bldg., 5th floor. Mechanical Room VOLUME (L) FIBERS PER CC 905 1059 988 935 <0.005 <0.005 <0.005 <0.005 Analyst! performed by Phase Contrast Microscopy In accordance with MIOSH Method 7400. SwL Dallas is riled proficient by the NIOSH Proficiency Analytical Tert (PAT) Program, Laboratory I.D. No. 75212-001. Analyst: GMJLfy, :kz Our leoen and report, arc for the exclusive urn of the elkat to whom they are tddmmd. The keen and repost* ahall not b foil receive priorreproduced except in without the approval of the testing laboratory. The um ofournuna mum our written approval. /< r ^ S&L 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: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Report Date: Date Received: Report Number: April 12, 1993 April 7, 1993 9304060 Identification: 1405 Main, Lubbock, TX SAMPLE NO, 01032993 02032993 03032993 04032993 05032993 06032993 07032993 08032993 09032993 10032993 11032993 12032993 13032993 LOCATION VOLUME (L) Basement, Sherwood Bldg., Boiler Room #011 1080 Basement, Sherwood Bldg., AHU Room #S012 1080 1st floor, Porter/Sherwood west Mechanical Room #105 1388 1st floor, Porter/Sherwood south Mechanical Room #125B VOID 1st floor, Porter/Sherwood abandoned Switching Room VOID 3rd floor, Porter/Sherwood west Mechanical Room #305 1080 3rd floor, Porter/Sherwood south Mechanical Room #325B 1304 1st floor, Sherwood Bldg., AHU Room 101 1080 3rd floor, Sherwood Bldg., area used to be AHU Room 1420 5th floor, Sherwood Bldg., area used to be AHU Room 1080 3rd floor. Porter Bldg., Emergency Engine Room 3rd floor. Porter Bldg., Mechanical Room 307 3rd floor, Porter Bldg., Fan Room 307 1080 FIBERS PER CC 0.006 <0.004 <0.003 <0.004 <0.004 <0.004 0.003 <0.004 1220 0.004 1080 <0.004 <0.004 17" SOUTHWESTERN LABORATORIES, INC Report No: Report of: Reported to: PAGE 2 of 2 9304060 Air Monitoring Southwestern Bell Telephone SAMPLE NO. 14032993 15032993 01033093 02033093 03033093 04033093 05033093 06033093 LOCATION VOLUME (L) Field blank Field blank Basement, Porter Bldg. 1080 Basement, Porter Bldg., Mechanical Room 1080 5th floor. Porter Bldg. 1040 Basement, Porter Bldg., Equipment Room Center Basement, Porter Bldg., Equipment Room West 1000 1040 Basement, Porter Bldg., Boiler Room 1040 FIBERS PER CC 1.0/100 fids. 1.0/100 fids. <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 Analysis performed by Phaaa Cootnu* Microscopy in accordance with NIOSH Method 7400. SwL Dellas is rated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analytical Services beOur Istten and reports am for the exclusive use of tbs client to whom they am addmsatd. The Setters and reports dull not reproduced except in full without the approval of the Ming laboratory. The urn of our mam must receive our prior written approval. GJ4176 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical tntinetring, nondestructive, metallurgical and analytical services 2573 Lorw Star Drive R D. Box 224227 Dallas. Taxas 75222 214/253-1133 Report of test on: -,A.sb^fcA f Date tested: ^j Project: 1406 frw^ Lab Number: ________ Sample Number / ID ClCfcHW Location ^kluLU. T MMtm Mjl\... 'Skuu,VJL>~tT~i 3<hi B-LtL feto t&bl'WH 1HA, "11 r $ Pump Number Time Flow and Det. Volume Limit Off Ortf.ao Elapsed snc Off W L/Min /lof L M 0n<fA3 L/Min Elapsed /2> 3lo L Off f.5b Oi 13 m lWc L/Min i%iS L Off Hi mi Oi^f -5 ^ L/Min Elapsed /AJ2Jinc L Off lini otf/W7 L/Min Elapsed L 1 Fibers Fibers per per Field cc k. *1+n, Technician: __________ ____________ Analyst: CIH/IH: _____________ _________ Manager: _______________ ___ Type of Activity: ____Decontamination Background Abatement Remarks: Chain of Custody: 0^4177 HOUSTON CMUJkS AUSTIN BEAUMONT CONROE GALVESTON COUNTY WO GRAND* VALLEY ALEXANORLA SAN ANTONIO FORT WORTH LEESVILLE MIOUANO MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN' LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2573 Lon* Sear Drive R O. Box 224227 Dallas, Taxaa 75222 214/283-1 133 Report of test on: Date tested: CIH/IH: Manager: Type of Activity: ____ Decontamination^___ Background Remarks: Abatement Gj3T7S HOUSTON PALLAS AUSTIN SISAUMONT CONROE 8ALVSSTON COUNTV MO ORANGE VAULEV AlEXANOA SAN ANTONIO FORT WORTH LSESVIU-E MtOCANO MONPfOK SHREVEPORT TEXARKANA SHERMAN /, 8SC- - 3 % -JL'3^ ^>oC ^ 7$ SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2373 Lone Scar Drive IRQ Box 224227 Delta. Texas 75222 214/263-1133 Report of test on: -(,LliS ^XL-'b \Nv Date tested: 'C* ^ Project: -:o6 , } Li Lab Number: Technician: _____ _ Analyst: -- Chain of Custody: CIH/IH: __________________ _ Manager: ______ ------------------------------------- -- Type of Activity: ____ Decontamination^___ Background Abatement ------- -- Remarks: ........... q... HOUSTON tMLUS AUSTIN # WEAUMQNT CONROS OALVSSTON COUNTY BO SBANOS VAULITY AtSXANQA SAN ANTONIO XOBT WOBTH LECSVIUUE MQLANO MONBOS SHBeVSPOBT TBXABKANA SMUMMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 23-73 Lone Sear Driva R O. Box 224227 Dallas. Taxas 75222 a 214/2B3-1 133 Report of test on: Date tested: Project: Lab Number: Sample Number / ID Location Pump Number Time Plow and Det. Volume Limit Off On Elapsed Off L/Min L On L/Min Elapsed Off L On L/Min Elapsed Fibers Fibers per per Field cc Off On L/Min Elapsed Off On L L/Min Elapsed L Technician: Analyst: Chain of Custody: CIH/IH: Manager: __________ Type of Activity: ____ Decontamination Background Abatement Remarks: G..,u 4J...8H HOUSTON QAIAAS AUSTIN BKAUMONT CONROE GALVESTON COUNTV WO BRANDS VALLBY ALEXANDRIA SAN ANTONIO FORT WORTH LEESV1LLE MIOLANO MONROE SHREVEPORT TEXARKANA SHERMAN SWL P.O. Box 224227 SOUTHWESTERN LABORATORIES 2575 tone Star Drive e Dallas, Texas 75222 e 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: July 7, 1994 June 30, 1994 9406237 Identification: 1405 M*ip, i lihh'vi', TX SAMPLE NO. 01062494 02062494 03062494 04062494 05062494 06062494 07062494 08062494 09062494 10062494 11062494 12062494 13062494 14062494 15062494 062494 LOCATION Sherwood, Basement Fan Room Sherwood, Basement Boiler Room Sherwood, 1st floor, Fan Room Sherwood, 3rd floor, old Fan Room Porter, 5th floor, Fan Room Porter, 3rd floor. Mechanical Room Porter, 3rd floor, Fan Room Porter, 3rd floor, Emergency Engine Porter, Basement Boiler Room Porter, Basement Poner, Basement, Air Handler Porter, Basement, Equipment Room Porter Sherwood, 1st floor. Mechanical Room, Room 105 Porter Sherwood, Room 125 Porter Sherwood, 3rd floor Field blank #1 VQLLMEiL) 1204 1220 1215 1212 1226 1201 1218 1220 1226 1212 1290 1215 1210 FIBERS PER CC <0.004 <0.004 <0.004 0.007 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 <0,004 <0.004 310 <0.006 1153 <0.004 1.0/100 fids. Gj4181 SOUTHWESTERN LABORATORIES, INC. Report No: Report of: Reported to: PAGE 2 of 2 9406237 Air Monitoring Southwestern Bell Telephone SAMPLE, NQ, LOCATION VOLUME (L) FIBERS PER CC 062494 Field blank #2 i .0/100 flH, Analyais performed by Phue Contra* Mkroecopy in accordance with NK5SH Method 7400. SwL Delia* is rated proficient by the N10SH Proficiency Analytical Teat (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst:, :kz Industrial Hygiene Technician Our letter* and reporfj an for the exclusive use of the client to whom they an addnaaad. Tit* lattan and report* dull not be reproduced except in fttll without the approval of the testing khoratoty. The un of our ratine mat receive our prior written approval. Cj4182 SOUTHWESTERN LABORATORIES Report of: Report to: P.O. Box 224227 2575 Lone Star Drive e Dallas, Texas 75222 214/631-2700 Air Monitoring SOUTHWESTERN BELL TELEPHONE Attn: REBECCA PEDERSON ONE BELL PLAZA, ROOM 910 DALLAS, TX 75202 Report Date: Date Received: Report Number: May 27, 1994 May 27, 1994 9405242 Identification: 623 EMERSON, MCCAMEY, TX SAMPLE NO. LOCATION VOLUME (LI FIBERS PER CC 06052394 07052394 08052394 #5 #6 Mechanical room, first floor Switch room, first floor, north Switch room, first floor, south Field blank Field blank 1075 <0.005 1080 <0.005 1078 not received 1.0/100 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 l.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: 059 Jonathan L. Garrison :bf Industrial Hygiene Technician Analytical Services Our iettera and reporta 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 tearing laboratory. The am of our name must receive our prior written approval. C.4183 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical entineering, nondestructive, metallurgical and analytical services 2573 Lon* Scar Driv* p O. Box 224227 Dallam. Taxas 75222 214/263-1 133 Report of test on: - As h if Date tested: Tj 2 4* 0 CIH/IH: ______ Type of Activity: Remarks: Manager: Decontamination Background Abatement 004184 HOUSTON! OAU-AS AUSTIN * BEAUMONT CONdOE GALVESTON COUNTV m3 QdANOE VALLEV ALEXANOdIA SufL SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.O. Sox 224227 2575 Lone Stir Orivo Dal tic, Texas 75222 214/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, TX 78216 Report Date: Date Received: Report Number: April 20, 1993 April 7, 1993 9304065 Identification: 623 Emerson - McCamey, TX SAMPLEm 01-03-25-93 02-03-25-93 03-03-25-93 04-03-25-93 05-03-25-93 06-03-25-93 07-03-25-93 08-03-25-93 09-03-25-93 LOCATION Mechanical Room Mechanical Room Switchroom near battery plant Switchroom near frame Storeroom Frame Area Switchman's office Field blank Field blank VQLJJMEIL), USERS PER CC 1080 <0.005 1080 ( <0.005 1080 0.01* 1080 0.02* 1080 0.02* 1080 0.01* 1080 0.02* 0.0/100 fids. 0.5/100 fids. 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 i the fiber loading was due to asbestos. The TEM analysis revealed that no asbestos fibers wer present. Anaiyui performed by Hues CootTM* Microscopy is accordance with NIOSH Method 7400. SwL Delias is rated proficient by the NIOSH Proficiency Analytical Teat (PAT) Program, Laboratory I.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Analyst: :kz reproduced except in fill! without the approval of the testing laboratory. The uae of our name smut receive our prior written approval. Gj4185 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2575 Lone Sear Drive P O Box 224227 Dallas. Texas 75222 e 214/2B3-1 133 Report of test on: Date tested: Project: fr v Hi7 y /j Lab Number: Type of Activity Decontamination Background Abatement Stfrfo/ApCj \Rema rk - ilieinffiiuiiir ......... "7 / f I -fj lJuLLhs3x. f- Scu^ AaLj Jq~- _a^ 0v4186 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV * O ORANOE VALLEV ALEXANDRIA SAN ANTONIO PORT WORTH LEESVtLLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN - "J (j SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 25-75 Lone Sear Drive R O Box 22422'7 Dalles, Texas 75222 214/263-1 133 Report of test on: ' <<k Date tested: 3' z- r* ^ j Project: ,,/ /1 C i ' * > ,V ^ / Lab Number: Type of Aglfjvity: ____ Decontamination^___ Background Abatement ---------- -- Remarksf A~tt,l'.' JL *, NaJtL'b^ -------------- ,, 7/ff Sa, P,rJ.,-/aL, VdJk.___^187 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV WO GRANOE VALUEV ALEXANDRIA SAN ANTONIO FORT WORTH LESSVIU..E MIOLANO MONROE SHREVEPORT TEXARKANA SHERMAN Huntingdon Report of: Air Monitoring Report to: Southwestern Bell Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Identification: Midland Drive SAMPLE ML MKAUOM 01011195 Mechanical Room 02011195 Boiler Room 03011195 Jan Room #01 Field blank #02 Field blank Huntingdon Engineering & Environmental, Inc. P.O. Box 224227 2575 Lon. Star Onv. T.xa* 75212 T.laphona: (214) 631-2700 FAX: (214) 920-1891 Report Date: Date Received: Report Nimben February 2, 1995 January 17, 1995 9501121 VQLU&ffilLl 1662 853 1308 <0.003 <0.006 <0.004 1.0/100 fids. 0.5/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with NIOSH Method 7400. SwL Dallas is rated proficient by die NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. HUNTINGDON ENGINEERING & ENVIRONMENTAL, INC. Analyst: Gregot/M^f f Industrial Hygiene Technician :kz C^TkL 'A/Md TomBBaammeeas Environmental and Analytical Services OurImm tadreport*m tvthsaastaiwwsf faeSentto w&osbtSwy anaddmuMl Tit*!mmandreportsauUnotb reproducedtxcept ia M wMmma fa mppcavil of fa Urtnt MkMMoty. Ifaurerf oar Mas must ream* our pnorwriOsa approval. Gj4188 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical entineering, nondestructive, metallurgical and analytical services 2575 Lean Scar Ortva R O. Box 224227 Delta. Taxaa 75222 si <4/283-1 133 Technician: --________ Analyst: _____ CIH/IH: _________________ Manager: Type of Activity: Decontamination Background____ Abatement Remarks: Chain of Custody: Gj4i89 HOUSTON r>Ai i *e AUSTIN BEAUMONT CONROE SALVESTON COUNTV WO ORANOB VALLEV AUXANDBA SAN ANTONIO FORT WORTH LEESV1U.E MIOLANO MONROE SHREVEPORT TEXARKANA SHERMAN S&L 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 Beil Telephone Attention: Gladys Haecker 7159 San Pedro, Room 117 San Antonio, Texas 78216 Report Date: Date Received: Report Number: March 2, 1992 February 25, 1992 9202246 2.3&0 Identification: 410 W, Missouri, Midland, TX On February 18, 1992 a representative from Southwestern Laboratories Inc., ISwL) was at the Southwestern Bell facility located at 410 W. Missouri in Midland, 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 021892 SBM-01 021892 SBM-02 021892 SBM-03 021892 SBM-04 021892 SBM-05 021892 SBM-06 021892 SBM-07 021892 SBM-08 021892 SBM-09 021892 SBM-10 021892 SBM-ll Field blank Field blank 1st floor, south side Air Handler Room 1st floor. Equipment Room 2nd floor, south side Air Handler Room 2nd floor. Equipment Room 2nd floor, east side Air Handler Room 5th floor, south side Air Handler Room 5th floor, AT&T Equipment Room 6th floor, south side Air Handler Room 6th floor, ESS/SCC Work area 1113 1227 1246 1236 1006 1116 1125 1125 1088 3.0/100 fids. 1.0/100 fids. <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 <0.004 0.005 0.009 0 4190 SOUTHWESTERN LABORATORIES, INC Report No: Report of: Reported to: PAGE 2 of 2 9202246 Air Monitoring Southwestern Bell Telephone sample ml LOCATION VOLUME fL) FTBERSPEg_CC 021892 SBM-12 6th floor, east side Mechanical Room 1037 <0.005 `-julyjii performed by Phaac Contrail Microscopy in accordance with NIOSH Method 7400, SwL Dallas ii ated proficient by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory l.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. Bo& Garrett, Manager Environmental and Analytical Services Our lettera 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 mute receive our prior written approval. 004191 s^i 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: D September 10, 1992 August 31, 1992 9208275 identification: 410 W. Missouri Ave., Midland, TX On August 24, 1992 a representative from Southwestern Laboratories Inc., (Swl) was at the Southwestern Bell facility located at 410 W. Missouri Ave. in Midland, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: mSAMPLE LOCATION YPLUMEJL1 FIBERS,PER,C 082492 SBM-01 Field blank l.G/TOO lids. 082492 SBM-02 Field blank 0.5/100 fids. 082492 SBM-03 9th floor. Elevator Room 1210 <0.004 082492 SBM-04 7th floor, Mechanical R<x>m, west side 1220 <0.004 082492 SBM-05 7th floor, Mechanical Room, east side 1210 <0.004 082492 SBM-06 7th floor. Boiler Room, southeast comer 1200 <0.004 082492 SBM-07 5th floor, Room 501, east side office area 1220 <0.004 082492 SBM-08 5th floor, Elevator Lobby 1200 <0.004 082492 SBM-09 5th floor, Mechanical Room, south 1220 <0.004 082492 SBM-10 3rd floor, Room 303, Back Office, Public Relations 1220 <0.004 082492 SBM-11 3rd floor, Mechanical Room, east side 1220 <0.004 082492 SBM-12 3rd floor. Foyer, outside 303 & 302 at NCOO door 1210 <0.004 082492 SBM-I3 3rd floor. Toil, east side at Power Cell area 1190 <0.004 0/4192 S*l 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: September 10, 1992 August 31, 1992 9208275 Identification: 410 W. Missouri Ave., Midland, TX On August 24, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 410 W. Missouri Ave. in Midland, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE NO, LOCATION VOLUME (L) FIBERS PER CC 082492 SBM-01 Field blank 1.0/100 fids. 082492 SBM-02 Field blank 0.5/100 fids. 082492 SBM-03 9th floor, Elevator Room 1210 <0.004 082492 SBM-04 7th floor, Mechanical Room, west side 1220 <0.004 082492 SBM-05 7th floor, Mechanical Room, east side 1210 <0.004 082492 SBM-06 7th floor, Boiler Room, southeast comer 1200 <0.004 082492 SBM-07 5th floor. Room 501, east side office area 1220 <0.004 082492 SBM-08 5th floor, Elevator Lobby 1200 <0.004 082492 SBM-09 Sth floor, Mechanical Room, south 1220 <0.004 082492 SBM-10 3rd floor, Room 303, Back Office, Public Relations 1220 <0.004 082492 SBM-11 3rd floor, Mechanical Room, east side 1220 <0.004 082492 SBM-12 3rd floor. Foyer, outside 303 & 302 at NCOO door 1210 <0.004 082492 SBM-13 3rd floor. Toil, east side at Power Cell area 1190 <0.004 0^4193 SOUTHWESTERN LABORATORIES, INC Report No: Report of: Reported to: PAGE 2 of 2 9208275 Air Monitoring Southwestern Bell Telephone SAMPLE NO. 082492 SBM-14 082492 SBM-15 082492 SBM-16 082492 SBM-17 LOCATION 3rd floor, Toll, west side 3rd floor, west corridor at water fountain 1st floor, Mail Room 1st floor, east corridor VOLUME (L) 1280 1309 FIBERS. <0.004 <0.004 1250 1260 <0.004 <0.004 nalysis performed by Phase Contrast Microicopy in accordance with NIOSH Method 7400. SwL Dallas is ted proficient by the NIOSH Proficiency Analytical Test (PAT) Program. Laboratory l.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC. nalyst: :kz :ytal 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. CJ4194 SOUTHWESTERN LABORATORIES 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 Identification: 410 W. Missouri, Midland, TX SAMPLE NO. 010052394 02052394 03052394 04052394 05052394 #1 Wl LOCATION Power room, basement Mechanical room, basement Corridor, fuel storage area, basement First floor, air handler Six floor, air handler, south end Field blank Field blank Report Date: Date Received: Report Number: May 27, 1994 May 27, 1994 9405244 VOLUME fL) 1068 1277 1220 1072 1161 FIBERS PER CC <0.005 <0.004 <0.004 <0.005 <0.004 1.0/100 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 l.D. No. 75212-001. SOUTHWESTERN LABORATORIES, I? Analyst: :bf and Analytical Services Our letters and reports are for the excluaivc use of the client to whom they areWresaed. 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 prnior written appnroval. X j4i9o SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 23-73 Lone Star Driva R O. Sox 224227 Dalian. Texas 75222 214/203-1 133 Report of test on: -/Wb^ ret, ( U f Mw Date tested: Uif Project: ^ (Q\X)' M t < l , MiJlct n X. A&n Ktbrc. (V. P-f Lab Number: Sample Number / ID V It (,' /*V> t - : Location f Flow Fibers Fibers Pump and Det. per per Number Time Volume Limit Field cc GU-'l, '< '* *f* fc'- > A?Stf cr.v.-rf *7, / : y a 0 1C5J11U4 y V t, i W;/ ~ Hat I 7'..-. < jk r 7, 7 s- f~ /" / >4.. *- /-t i" I'fa t-.j L ' /1 t' 7 * 7- 5 / 7, "T*' f h ~ 5 Off . Y'O Elapsed 2 *fO Off L/Mi n /0&^ L On L/Min h) H5- Elapsed /?77 ^-T L Off 7-77 On L/Min /u 5% Elapsed /Slxo 2-13 L Off 7.77 On J J #- V Elapsed 2-HO L/Min 1072. L Off On // /o Elapsed 7.5(7 L/Min ll<*( L y'1 >r- /7 Technician: L' I P-r\ K - Analyst: Chain of Custody: CIH/IH: Manager: Type of Activity: Decontamination Background____ Abatement Remarks: 0.4196 HOUSTON DALLAS AUSTIN MAUMQNT CONROE SALVESTON COUNTY WO GRANOE VALLEY ALEXANDRIA. SAN ANTONIO PORT WORTH LEESVILLE MIOLANO MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES u- Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2575 Lone Star Onve P O, Box 224227 Dallas. Texas 75222 21 4/263-1 133 Report of test on: Project: jp Jd . Vt Date tested: 3 ~ 13 Lab Number: ____________ Type of Activity: Remarks: 7/61 <AAAtfAvA.\ : AMH'l*)> Decontamination Background____ Abatement /LcL Js'sLlh. &J4197 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY WO ORANOE VALLEY ALEXANDRA SAN ANTONIO FORT WORTH LEESVIU.E MIOLANO MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services SS75 Lone Star Drive R O. Box 224227 Dallas. Texas 75222 ai 4/2B3-1 133 Report of test on: - y~/J U, Project: Vb 1 i ? A' 3 & /h^oUa^c/ Date tested: Lab Humber: Type of Activity: Decontamination Background____ Abatement - 1 --------- _________________ --cnj-4i9e n,rii s-- AcAo-/jc r/7v 7/^.^_______ _________ HOUSTON I-1AI i JL AUSTIN BEAUMONT CONROE GALVESTON COUNTV WO GRANGE VALLEY ALEXANDRIA SAN ANTONIO PORT WORTH LBESVILLE MIOLANO MONROE SHREVEPORT TEXARKANA SHERMAN Huntingdon Report of: Air Monitoring Report to: Southwestern Bell Attention: Rebecca Pederson One Bell Plata, Room 910 Dallas, TX 75202 Identification; Dawn Avenue -- OcieSScl 01011295 02011295 #05 #06 LOCATION AC Room Boiler Room Field blank Field blank Huntingdon Engineering & Environmental, Inc. P.O. Box 224227 2S7S Lon* Stir Drive Ddlae, Texee 75212 Telephone: (214) 631-2700 FAX: (214) 920-1891 Report Date: Date Received: Report Nianber: February 2, 1995 January 17, 1995 9501122 VOLUME(L) 1077 1212 FIBERS PER CC <0.005 <0.004 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 Teat (PAT) Program, Laboratory I.D. No. 75212-001. HUNTINGDON ENGINEERING & ENVIRONMENTAL, INC. Analyst: Industrial Hygiene Technician :kz Environmental and Analytical Services Our bum tad npotts an fcr the xefcwv ua of the cheat to whom they an ed4wa4. The Itmtt tad reporte #ia!l not be reproduced except iafiiUwiihmiheiippiHr^oftiifttiMh^ Ike use of our name must receive our prior written approval. G04199 SOUTHWESTERN LABORATORIES Matenak, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2373 Lon Star Drive P. O. Box 224227 Dellas;. Texas 75222 214/2B3-1133 Technician: ______ __ Analyst: ____________ Chain of Custody: CIH/IH: _________________ Manager: Type of Activity: Decontamination___ Background Abatement Remarks: oo HOUSTON DALLAS AUSTIN MAUMONT CONROE SALVESTON COUNTY WO ORANOE VALLEY ALEXANDRIA SAN ANTONIO PORT WORTH UEBSVIU.E MlOLAND MONROE # SHREVEPORT TEXARKANA RhPRMAm SwL p --i SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.O. 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: September 1, 1992 August 31,1992 9208278 Identification: 601 N. Lincoln, Odessa, TX On August 26, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 601 N. Lincoln St. in Odessa, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME CL) FIBERS PER CC 082692 SBO-01 Field blank 0.0/100 fids. 082692 SBO-02 Field blank 0.0/100 fids. 082692 SBO-03 3rd floor, work area, 6th St. side 1587 <0.003 082692 SB0-04 3rd floor, work area, 7th St. side 1577 <0.003 082692 SBO-05 3rd floor, work area, Sam Houston St. side 1548 <0.003 082692 SBO-06 3rd floor, work area, Lincoln St. side 1468 <0.003 082692 SBO-07 1st floor, Administration area 1290 <0.004 082692 SBO-08 1st floor, Frame Room, Sam Houston and 6th St. side 1290 <0.004 082692 SBO-09 1st floor, Frame Room, Sam Houston and 7th St. side 1280 <0.004 082692 SBO-10 1st floor. Frame Room 1280 <0.004 Analytis performed by Fhsse 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 nmental and Analytical Services Oir 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. G j 4201 f S< 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 117 San Antonio, Texas 78216 Report Date: Date Received: Report Number: March 2, 1992 February 25, 1992 9202247 Identification: 601 Lincoln, Odessa, TX On February 18, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 601 Lincoln in Odessa, 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 021892 SBO-Ol 021892 SBO-02 021892 SBO-03 021892 SBO-04 021892 SBO-05 021892 S BO-06 021892 SBO-07 Field blank Field blank 1st floor, Switch Room 1st floor, Switch Room 1st floor, Air Handler Room 3rd floor. Conference Room 3rd floor, Air Handler Room 1153 1162 1028 1097 1125 1.0/100 fids. 0.5/100 fids. <0.004 <0.004 <0.005 <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. 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 letter* and reports dull not be reproduced except in fill! without the approval of the testing laboratory. The use'ofour name must receive our prior written approval. Go4202 Report of: Report to: I SOUTHWESTERN LABORATORIES P.O. Box 224227 2573 Lone Star Drive Dallas, Texas 75222 e 214/631-2700 Air Monitoring SOUTHWESTERN BELL TELEPHONE Attn: REBECCA PEDERSON ONE BELL PLAZA, ROOM 910 DALLAS, TX 75202 Report Date: Date Received: Report Number: MAY 27, 1994 MAY 27, 1994 9405243 Identification: 601 N. LINCOLN; ODESSA, TX SAMPLE NO. LOCATION VOLUME (L) FIBERS PER CC 06052394 07052394 #3 #4 Chiller room, basement Second floor, lounge Field blank Field blank 948 1085 <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 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. 0^4203 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical entineering, nondestructive, metallurgical and analytical services 2575 Lone Scar Drive P O. Box 22*1227 Dalles. Texas 75222 21*1/263-1133 Report of test on: - /I tv-'', / + ' / ' ^ . ? r Date tested: 12 3If-. f 1 Project: &Q/ N- Lmroj \thn &. be a <* Sample Number / ID Location (*' liJjlU L1 o.r cricswi |mplAAnsIlfb |S^fa|fi J" yw* a a 't^2. & tic i li/ ? Lab Number: Pump Number Time Flow and Det. Volume Limit Fibers Fibers per per Field cc /neT i - Off q.qS Onii . L/Min Elapsed 2-/ 3 Off 4. r 3- On f.#> L/Min Elapsed J? 40 Off Is?jS L On L/Min Elapsed Y~ f Off On L/Min Elapsed Off On L L/Mi n Elapsed L Technician: ______ Analyst: CIH/IH: ________________________ Manager: ________________ Type of Activity: Decontamination____ Background Abatement Remarks: Chain of Custody: Gj4204 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV WO GRANT* VALLEY ALEXANOWA SAN ANTONIO FORT WORTH LEESVILLE MfOUWMO MONROE SHREVEPORT TEXARKANA SHERMAN Sw SOUTHWESTERN LABORATORIES Report of: Report to: Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 224227 275 Lone Star Drive # Dallas, Texas 75222 e 2H/631-2700 Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, TX 78216 Report Date: Date Received: Report Number: April 20, 1993 April 7, 1993 9304064 5 Identification: 601 N. Lincoln - Odessa, TX SAMELEm 06-03-24-93 07-03-24-93 08-03-24-93 09-03-24-93 10-03-24-93 11-03-24-93 LOCATION Basement Mechanical Room Basement Mechanical Room 2nd floor lounge/back wall 2nd floor iounge/vending area Field blank Field blank VOLUME (L) 1080 1080 1080 1080 FIBERS PER CC 0.01* 0.01* <0.005 <0.005 0.0/100 fids. 1.0/100 fids. This sample was found to be over the EPA recommended "dean air" target value of <0.01 f/cc. Subsequently, the sample was submitted for Transmission Electron Microscropy (TEM) to determine it the fiber loading was due to asbestos. The TEM analysis revealed that no asbestos fibers were present. Analysis performed by Phsse Contrast Microscopy in seconUnce 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; dJAnalytical Services ireOur letters and reports are for tb exclusive use of the client to whom they addressed. The letters end reports shall not be reproduced except in dill without the approval of die testing laboratory. The use of our name must receive our prior written approval. Gj4205 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2S75 Lone Scar Drive P Box 224227 Dallas, Texas 75222 21 4/2S3-1 133 Report of test on :(pd/ Ar Project: 7^ Date tested Lab Number: ^l SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2573 Lone Scar Drive R D Box 2H4227 Dallas, Texas 75222 214/263-1 133 MLReport of test on: 0 e S Of Project: X /-* X&i) Date tested: 2, ^3 Lab Number: ________ Type of /Activity: ____Decontamination Remary&Jj&tj/___7/S~5 Background__ ^Abatement rib______________ ------ ---------------______---- -W- ^ / A*.,_____ HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV WO GRANGE VALLEY ALEXANDRIA SAN ANTONIO TORT WORTH LEESVILLE MIOUANO MONROE SHREVEPORT TEXARKANA SHERMAN siw SOUTHWESTERN LABORATORIES P.O. Box 224227 257S Lone Star Drive Dalles, Texas 75222 e 214/631-2700 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 Identification: 307 S.W. 3rd, Seminole, TX SAMPLE NO. 01052494 02052494 03052494 #1 Wl LOCATION Emergency engine, basement Boiler room, basement Air handler, basement Field blank Field blank Report Date: Date Received: Report Number: May 27, 1994 May 27, 1994 9405245 mnMiiLi 2373 5326 1075 HBEBSrgRCC <0.002 0.001 <0.004 1.0/100 fids 2.0/100 fids Analysis performed by Phase Contra* Microscopy in accordance with NTOSH Method 7400. SwL Dallas is rated proficient by the NIOSH Proficiency Analytical Te* (PAT) Program, Laboratory l.D. No. 75212-001. SOUTHWESTERN LABORATORIES, INC Our letten and reports are for the exclusive use of the client to whom they a^ addressed. The letters and reports shall not be reproduced except in full without the approval of the testing laboratory. The use of our name mu* receive our prior written approval. Go4208 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 237S Lon Star Oriv P O. Box 224227 Dalle. Txas 75222 214/263-1 133 Report of test on: - A-s A./ Men , -for, ,ufj : ~jx4* Date tested Project: d>o 7 AlW\ ^ iSf /v* >J> cl cC- Rc'ea- Vo. f '< Lab Number: Sample Number / ID S ^ Sgrr,- Location Pump Number Time Flow and Det. Volume Limit Fibers Fibers per per Field cc Gio52<H4 / n- .i v- - L~a vi JL <A S r r er r i 02a5i- ~ U` 2 '-t J ~j Off H-5 3 \*s L/Mi n M Elapsed 2573 , - -f L Off On L/Min Elapsed 552^ "7 Wk\ L Off y.y? On L/Min Elapsed Cf /0 75 -T-7 L Off A. f A \J~" " 1 ` On L/Mi n Elapsed Off On L L/Min Elapsed L Technician: _______ Analyst: _ CIH/IH: Manager: ______ Type of Activity: ____ Decontamination____ Background^___ Abatement Remarks: Chain of Custody: Gv/4209 HOUSTON QALUAS AUSTIN SSAUMONT CONROS GALVESTON COUNTY WO GRANOE VALLfiY ALEXANDRIA SAN ANTONIO KQRT WORTH LEESV1LLE MIOUANO MONROE SHREVEPORT TEXARKANA SHERMAN $WL ' f P.o. Sox 224227 SOUTHWESTERN LABORATORIES 2575 Lone Star Drive e Dallas, Texas 75222 214/631-2700 Report of: Report to: Air Monitorino Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, TX 78216 Report Date: Date Received: Report Number: July 27, 1993 July 19, 1993 9307161 Identification: 307 West 3rd, Seminole, TX p SAMPLE NO. 01070893 02070893 03070893 04070893 05070893 06070893 07070893 08070893 LOCATION Boiler Room, Basement A/H Room, Basement A/H Room, Basement Em/Eng Room, Basement Administrative area, 1st floor Field blank Field blank 1st floor. Frame area VOLUME (L) 1080 1080 1080 1080 1080 1080 HBFRS PERJCC <0.005 <0.005 <0.005 <0.005 <0.005 0.0/100 fids. 0.5/100 fids. <0.005 Analym 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:. Kyle Envirdnmdn ytical Services Our letters and reporta an for the exclusive use of the client to whom they arc *53resiei! Tha latters and reports ihail not be reproduced except in full without the approval of the testing laboratory. The use of our name muat receive our prior written approval. 0^4210 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, htetgllurgical and analytical services 2575 Lone Scar Drive P O Box 224227 Dallas. Texas 75222 214/263-1 133 HOUSTON ONJ-AS AUSTIN BEAUMONT CONROE GALVESTON COUNTV BIO GRANGE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH LEESVILLE MtOLANO MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES L/ Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical. 2575 Lone Star Drive R 0. Box 224227 Dallas, Texas 75222 ft 2 1 >9 . Report of test on: zDate tested: /- 9 j HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV A*0 GRANDE VALLEY ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILLE MSOLANQ MONROE SHREVEPORT TEXARKANA SHERMAN Swf SOUTHWESTERN LABORATORIES 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 Report of: Report to: Air Monitoring Southwestern Bell Telephone Attention: Gladys Haecker 7159 San Pedro, Room 106 San Antonio, Texas 78216 Identification: 307 S.W. 3rd, Seminole, TX Report Date: Date Received: Report Number: September 29, 1992 August 31,1992 9208276 xf On August 25, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 307 S.W. 3rd in Seminole, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME CL) FIBERS PER CC 082592 SBS-OI Field blank 0.0/100 fids. 082592 SBS-02 Field blank 2.0/100 fids. 082592 SBS-03 Basement, Boiler Room 1190 <0.004 082592 SBS-04 Basement, Emergency Generator Area 1190 <0.004 082592 SBS-05 1st floor. Switch Room, south side 1210 <0.004 082592 SBS-06 1st floor. Switch Room, north side 1190 <0.004 082592 SBS-07 1st floor, hallway leading to Basement 1190 <0.004 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: -M- 7 :kz Our letters and reports are for the exclusive use of the client to whom they ate 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. 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 117 San Antonio, Texas 78216 Identification: 307 W. 3rd, Seminole, TX Report Date: Date Received: Report Number: March 3, 1992 February 25, 1992 9202248 /fP 9^ On February 19, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 307 W. 3rd in Seminole, 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 021992 SBS-Ol 021992 SBS-02 021992 SBS-03 021992 SBS-04 021992 SBS-05 021992 SBS-06 021992 SBS-07 Field blank Field blank Break Room/Office area Switch Room Office Switch Room Basement between Boiler Room and A/C unit Basement, Emergency Generator area 1062 1153 1162 1134 1125 1.0/100 fids. 1.0/100 fids. <0.005 <0.004 <0.004 <0.004 <0.004 Aniivji* 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. Bob Garrett, Manager Environmental and Analytical S^rvici^sr) ^ ^ 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. Huntingdon Engineering and Science for a Safer Environment P.O. Box 224227 2575 Lone Star Drive e Dallas, Texas 75222 # 214/611-2700 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: July 15, 1994 July 8, 1994 9407046 Identification: 209 E. 4th St., Sweetwater, TX SAMPLE NO. 01070594 02070594 03070594 04070594 05070594 06070594 LQCATIM Basement, Equipment Room #2 Basement, Boiler Room Basement, Emergency Room #1 2nd floor, Fan Room Field blank Field blank YQLUmfLl 601 1191 2208 1199 FIBERS PER CC <0.008 <0.004 <0.002 <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 by the NIOSH Proficiency Analytical Test (PAT) Program, Laboratory I.D. No. 75212-001. HUNTINGDON ENGINEERING & ENVIRONMENTAL, INC Analyst: Industrial Hygiene Technician 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 leafing laboratory. The uas of our name must receive our prior written approval. SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2373 Lana Scar Drive R O. Box 22-4227 Delias. Texas 75222 21-4/2S3-1 133 Report of test on: - A 05 Date tested: ^PnH- Project: -S'-f, ^ ^ Lab Number: _______________________________ ______ _ Sample Number /ID Location Pump Number Time flow and Det. Volume Limit Old^os^ \bc>. 030705^ m^--n'mv-,iv >/ T /w/' c3 I t /(_. fv\ ^.cc 3. - li off <ruj; Lai. ox I223S 0ns. !> L/Mi n Elapsed L Off T- Hip U7M8 Sd4 0H;ilT. L/Min Elapsed dqo Off, % 4-m^ L (L%~bL On 3P 7 L/Min Elapsed *3.337 sro^ L dLhrjL. 6"o^t5f/ \ Off 7;# //7^.62 //<? On L/Min 3:a5 Elapsed opo Off On L/Min Elapsed l Fibers Fibers per per Field cc ^UeU kotu- 17 Technician: ^ Analyst: Chain of Custody: CIH/IH: _Manager: __________________ ------- ------------------ Type of Activity: Decontamination Background Abatement ------ --- Remarks: Ar\k*; L^*r / Ad 7>t?. a^<in> j ^t/dbrfQ ______ __ -- - ----------------0j4216 HOUSTON riA. 1 AUSTIN flCAUMONT CONROE GALVESTON COUNTY RK3 GRANOS VALLEY AUEXANORIA SAN ANTONIO FORT WORTH LEESVILLS MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 257S Lon Star Drive P. Q. Box 224227 Dalle. Texas 75222 214/2B3-1 133 Report of test on: Project: cUl 5, H ^ S+, & ^e-i wojV Date tested: Lab Number: Technician: _____Analyst: _________ CIH/IH: __________ _________ Manager: ______ Type of Activity: Decontamination Background Abatement Remarks: Chain of Custody: Gl/4217 HOUSTON DALLAS AUSTIN BEAUMONT CONPQE GALVESTON COUNTY Q GRANOE VALLEY ALEXANDRIA SAN ANTONIO FORT WORTH UEESV1LLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN y SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2575 Lone Star Drive P . Box 224227 Dallas. Texas 75222 214/263-1 133 Report of test on: 7/ // Date tested: - Pro.iec^4==--:'`----7 -4 t , y -1'- // Lab Number: Sample Number / ID /^Location 4 ri V" 0 I -L i 4> A UL y? % 'A. HmK <ift pd n ^ /3</yi 'f A o \9^J^KClLtr\ t Technicii Pump Number Time m Off Flow and Det. Volume Limit Fibers Fibers per per Field cc vO L/Min L Off. uV ^ On \ y Elapsed ^ ?) yf is, L/Min / ; fa L 0 Off ,> o 0n //'5rt L/Min Elapsed n1 y" % / X. S' \.7 1 \V Off u; 0n II s' ' //A'i Elapsed <J 6> L/Min /y L Ofy# . u "IU L/Min OElna.p',sed / d3> Elnap->se> d ~ 1\ Analyst: Chain of Custody: CIH/IH: Manager: Type of Activity: Decontamination x" Background Abatement Remarks\ituhjP fMPh, jLu.- .Mritj -/o7c^^4^ a nl+z,/<T -- ----------------------------- __ G u 4 218 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY 0 GRANDE VALLEY ALEXANDRIA SAN ANTONIO TORT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services 2575 Lone Star Drive R O. Box 224227 Dallas, Texas 75222 21 4/263-1 133 Report of test on: Project: f JT 4-{\ "I V / 5 Date tested: ' ^ - / Lab Number: Sample Number / ID Location /I -An P' Pump ''Number Time ~7 \V. On a f' Elapsed Off Flow and Volume y. L/Min / ^ ,,6 L Det. Limit On L/Min E Wpsed Off L On L/Min Elapsed Fibers Fibers per per Field cc Off On L/Mi n Elapsed Off On L/Min Elapsed L rMkTechnicia /! y Analyst: Chain of Custody: CIH/IH: Manager: Type of Activity: Remark%3Up,->0 -W Decontamination background Abatement PLP. iL^ar _____________ ?A/fa -------------- _______________ G^4219 HOUSTON OALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTY HO GRANOE VALLEY ALEXANDRIA SAN ANTONIO PORT WORTH LEESVILLE MIOLANO MONROE SHREVEPORT TEXARKANA SHERMAN S&IA SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.Q. 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: October 5, 1992 October 5, 1992 9210033 Xht// Identification: 211 E. 4th St., Sweetwater, TX On October 2, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 211 E. 4th St. in Sweetwater, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLE NO. LOCATION VOLUME (L) FIBERS PER CC 100292 SWBSW-01 Field blank " 0.0/100 fids. 100292 SWBSW-02 Field blank 0.0/100 fids. 100292 SWBSW-03 1st floor, southeast comer of bldg. 1068 <0.005 100292 SWBSW-04 1st floor. Air Handler Room 1068 <0.005 100292 SWBSW-05 2nd floor, Fan Room 1068 <0.005 100292 SWBSW-06 2nd floor. Break Room 1068 <0.005 100292 SWBSW-07 Emergency Generator Room, basement 1068 0.005 Analyiii performed by Phaie Contra* Microscopy 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. SOUTHWESTERN LABORATORIES, INC. 0j4220 Our letters tod reports ace 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 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: July 2, 1992 June 19, 1992 9206183 Identification: 209 E. Fourth St., Sweetwater, TX On June 16, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 209 E. Fourth St. in Sweetwater, 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 061692 SBSW-Q1 Field blank 0.5/100 fids. 061692 SBSW-02 Field blank 3.0/100 fids. 061892 SBSW-03 Basement, Boiler Room 1327 <0.004 061892 SBSW-04 Basement, Emergency Generator Room 1346 <0.004 061892 SBSW-05 Basement, A/C Room 1356 <0.004 061892 SBSW-06 Basement, Power Room at AHU Room 1461 <0.003 061892 SBSW-07 Basement, Power Room at Desk Area 1480 <0.003 061892 SBSW-08 2nd floor. Mechanical Room/Room 202 1604 <0.003 061892 SBSW-09 2nd floor 1613 <0.003 061892 SBSW-10 2nd floor. Fan Room/Room 210 1613 <0.003 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. AoL Bob Garrett, Manager :kz Environmental and Analytical Services 0j4221 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 fiiU without the approval of the testing laboratory. The uae of our name must receive our prior written approval. SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.O. Sox 173668 Austin, Texas 78760 Client: SwL Dallas Attn: Robert Garrison Report No. Report Date Page 505092-656 June l, 1992 1 of 1 Project: Airborne asbestos samples taken by Kenneth Williamson with SwL on 5/28/92 Analyzed on 5/29/92. Site: Southwestern Bell Telephone, 500 Talbot Street, Taylor, Texas RESULTS VP S Filter 1 D, Front office area Northwest comer of Bldg., computer area Switch room Basement, power room Blank SwL Lab No Tay-1 Tay-2 Time (min) 120 120 FR i!Zml 11.5 12.0 Volumes (liters) 1380 1440 fb/fl 4.5/100 4.0/100 MPA 0.00787 0.00787 AG* Fibers/cm <0.004 <0 003 Tay-3 Tay-4 Tay-5 121 11.5 120 12.0 - 1380 .40 0.5/100 3.0/100 0/100 0.00787 0.00787 0.00787 <0.004 <0.003 *AC determined using a minimum 10 F8/100 FL Reliable Quantitation Unit wnere applicable. Fibers/ce are blank corrected where applicable. Analysis performed by Phase Contrast Microscopy m accordance with NIOSH Methodology 7400. / .j SOUTHWESTERN LABORATORIES, INC. Martin J. Gibson Environmental Scientist Our letters and reoorts are tor me exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except m Ml without the approval of testing laboratory. The use of our name must receive our prior written approval. Gu4.222 ,6 s' S&1 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.0. Box 173668 # Austin, Texas 78760 Client: SwL Dallas Attn: Robert Garrison Client No. Report No. Report Date 505092-121 December 20, 1991 Project: Airborne asbestos samples taken by Kenneth Williamson with SwL on 12/18/91. Analyzed on 12/20/92. Site: Southwestern Bell Telephone, 500 Talbut Street, Taylor, Texas Filter I D- Basement, power room 1st floor, northwest comer 1st floor, switch room 1st floor, office area Blank RESULTS SwL Lab No. Time (min) FR (I/m) T-1 120 10.0 Volumes (liters) 1200 F8/FL 6.0/100 MFA 0.00787 AC* Fibers/cm <0.004 T-2 120 11.0 1320 6.5/100 0.00787 <0.004 T-3 120 10.0 1200 7.0/100 0.00787 <0.004 T-4 120 10.0 1200 6.0/100 0.00787 <0,004 T-5 ,, 0/100 0.00787 . Remarks: SOUTHWESTERN LABORATORIES, INC. Robert N. Dettori Asbestos Coordinator Our letters and reports are for tile exclusive use of the client to whom they are addressed. The letters and reports shall not be reproduced except in fun without the approval of testing laboratory. The use of our name must receive our prior written approval. to: AS8DALLAS Gj4223 S^l !? o' 3 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services DAILY LOG ___________ ________________ Report Date:_______ 12/18/91 ________ To: SwL - Dallas. Attn: Robert Garrison Project Name: Southwestern Bell _________ Project No: 500 Talbut - Tavlor, Texas SwL Time Start: 1:00 p.m.________ ____________ Stop: _____________5:30 p.m. __________ ________PAGE 1 OF 1 Sample Date: _____________ 12/18/91 No, of Samples Taken: 5 ____________ _ Method of Test: NIOSH 7400-A Supenntendent: ______________ _________________ SwL Technician: Kenneth Williamson Foreman: __ ________________________________ Sample Location Basement, power room 1st floor, northwest comer 1st floor, switch room 1st floor, office area Blank ___ Ij2 T-1 T-2 T-3 T-4 T-5 Time Start 2:00 pm Time Stop 4:00 pm Total Time (min) 120 Flow Rate (I/m) 10,0 Volume (liters) 1200 Fibers/ Field 6,0/100 MFA 0.00787 F-cc <0 004 2:03 pm 4:03 pm 120 11.0 1320 6.5/100 0 00787 <0.004 2:05 pm 4:05 pm 120 10,0 1200 7,0/100 0.00787 <0 004 2:07 pm 4:07 pm 120 10.0 1200 6.0/100 ' 0.00787 <0 004 0/100 0.00787 Remarks: dfiy Robert N. Dalton Asbestos Coordinator ESTERN LABORATORIES, INC. Hilary D. Johns Senior Progrark^J^ahagi Our letters and reports art for the exclusive usa of tha clitnt to whom trity art addrassad. The lattara and raoorts Shan not Be reproduced except in fuu without the Approval of testing Laboratory. The use of our name must receive our prior written approval. fn: ASBOALLAS Go4224 Huntingdon Report of: Air Monitoring Report to: Southwestern Bell Attention: Rebecca Pederson One Bell Plaza, Room 910 Dallas, TX 75202 identification: Laforce Drive SAMPLE NO, LOCATION 04011195 Boiler Room 0501195 Mechanical Room m Field blank #04 Field blank Huntingdon Engineering & Environmental, Inc. P.O. Box 224227 2575 Lon* Star Driva Dallas, Taxas 75212 Telephone: (214) 831-2700 FAX: (214) 920-1891 Report Date: Date Received: Report Number: February 2, 1995 January 17, 1995 9501123 VOLUME(LI 1207 1595 fibers per cc <0.004 <0.003 i.5/100 fids. 1.0/100 fids. Analysis performed by Phase Contrast Microscopy in accordance with MIOSH 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: Gregory Industrial Hygiene Technician :kx UdAu? Environmental and Analytical Services Our tontines and report* intxte axetaiws urn of the cBaet to whom they an addnmmd. Tbs toasts tad reports shall act h reproduced except ia fiiU without &* approval of the tasting laboratory. Tbs um of our anas must raewva our prior writtea approval. Gj4225 SOUTHWESTERN LABORATORIES Materials, environmental and geotechnical entineering, nondestructive, metallurgical and analytical services 2375 Lone Scar Oriva IRQ, Box 224227 Dallas. Taxes 75222 214/263-1133 Report of test on: Date tested: Project: L-^LTbft- O ^ _____________ Mm Uehec t -PscTTrLc,') Lab Number: Sample Number /ID Location Pump Number Time Flow and Det. Volume Limit Fibers Fibers per per Field cc tiotlr't. HrT\ C^oii/% in^S sUth, fc/r^ it ^03 / led S> a^Jc 0ff5;w W On 11: ZS L/Hin "V1 m-j Elapsed Mo Off M'l onf.i'3e L/Min ni7L Wf /sp Off On L/Min Elapsed Off L On L/Min Elapsed Off On L L/Min Elapsed L | Technician: CIH/IH: Analyst: Manager: Chain of Custody: Type of Activity: Decontamination Background____ Abatement Remarks: 0j4226 HOUSTON DALLAS AUSTIN BEAUMONT CONROE GALVESTON COUNTV RIO GRAND* VALLEY ALEXANDRIA SAN ANTONIO EQRT WORTH LEESVILLE MIDLAND MONROE SHREVEPORT TEXARKANA SHERMAN ScuL V - SOUTHWESTERN LABORATORIES Report of: Report to: Miltrials, environmental and geotechnical engineering, nondestructive, metallurgical and analytical services P.O. Box 22422/ 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 13, 1992 October 12, 1992 9210108 Identification: 925 Washington, Waco, TX On October 12, 1992 a representative from Southwestern Laboratories Inc., (SwL) was at the Southwestern Bell facility located at 925 Washington in Waco, Texas to provide prevalent air monitoring. The results of the air samples collected are as follows: SAMPLENO, 101292 SWB-01 location Field blank VOLUME (L) FIBERS PER CC 0.0/100 fids. 101292 SWB-02 Field blank 0.0/100 fids. 101292 SWB-03 1st floor, Fan Room, east side 1068 <0.005 101292 SWB-04 Basement, Emergency Generator Room 1068 <0.005 101292 SWB-05 Basement, Fan Room 1068 <0.005 101292 SWB-06 2nd floor, Air Handler next to freight elevator 1068 <0.005 101292 SWB-07 3rd floor, Air Handler next to freight elevator 1007 <0.005 . 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. "7 SOUTHWESTERN LABORATORIES, INC. Analyst: Kyle|Burroujj :kz Environmental and Analytical Services f , <097 Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters and reports shall net'b*' " reproduced except in Dill 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 106 San Antonio, Texas 78216 Report Date: Date Received: Report Number: June It, 1992 June 8, 1992 9206082 X? 5-VII Identification: 925 Washington, Waco, Texas On June 8, 1992 a representative from Southwestern Laboratories Inc., !SwL) was at the Southwestern Bell facility located at 925 Washington in Waco, 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 060892 SWBW-01 Field blank 0.0/100 fids. 060892 SWBW-02 060892 SWBW-G3 Field blank Air Handler Room 110C, 1st floor 1039 0.0/100 fids. <0.005 060892 SWBW-04 Air Handler, northeast, 2nd floor 060892 SWBW-05 Air Handler, west of vertical pipe chase 060892 SWBW-06 Basement, next to Air Handler 0416 060892 SWBW-07 Basement, Boiler Room 006 1039 1039 935 935 <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. SOUTHWESTERN LABORATO Bob Garrett, Manager :kz Environmental and Analytical ^ Our letters and reports are for the exclusive use of the client to whom they are addressed. The letters end reports shall r ^ grovel, ourreproduced except in full without the approval of the testing laboratory. The use of our name must receive prior