Document VjoEJJqjybYGXGaqxZRjXozEw

E. I. ou Pont dc Nemours S Company CNStNCteiNO 0*e*AThNT To: RON WETZIG -- wlct Ute bUw, Dste: May 16, 1984 From: O. A. GA^f/ Subject: VICTORIA CONSTRUCTION ASBESTOS SAMPLES Attached are reports and corresponding data sheet from Hager Laboratories for the asbestos samples we took last /ear. Samoie number 12-12-63-6 was taken on a Zac.hr/ Maintenance emplo/ee. The other two were on Zachr/ Construction emolo/ees. LAG: w attachments DU? 0909138 DU 028958 RECEIVED may 13 1984 wwmucnM wm DUP 0909139 028959 .hager laboratories, incorporated s AMAiVTICAI. SERVICES FOR [XDVSTRY REPORT ON SERVICE NUMBER 10759 Mircn 12, 1984 Corrected March 2B, 1984 To: Analysis: Metnoa : Results: 0IscussIon: Neal Rote H . 8. Zschry Co. Victoria, TX The following sample was submitted for analysis: One membrane filter sample for aabaatoa count. ASBESTOS (count) The asbestos content of each filter sample was analyzed following NIOSH procedure P4CAM 239. Wedges from each filter were examined at 450 power using polarizing and phase contrast microscopes. 8irefringent fibers longer than five (5) microns with a length-1o-w idth ratio of 3:1 or more were counted as asbestos. Sample Number Total Fibers Air Vol. Air Cone. (liters) (fibers/cc) 02/22/84-6 1,300,000 480 2.7 The OSHA ptrmiaaible exposura limit (PEL) for asbestos is 2 fiber s/ce . Laboratory data are filed and available upon reauest, Submitted by: _Hoberl: n. 'Hager Laboratory Olrecior RNH/nl ' ' )I 4725 Parts Strcc: rVmrr DUt 0909140 H(l2S9'f3(>3) 571-1441 DU 028960 RECEIVED MAY 13 1984 comnucnoN wncrr DUP 0909141 DU 028961 C^^y H. 8. Zachry Company Addrees ?. 0. Box 2534 Victoria, Texas 77902 Contact Baal S. Row Telephone 512/572-17Z3 E. Z. DuPont Ona Klnqrawood Place______ Klncawood. Texas 77339 Purchase Order So. Send REPLACEMENT SAMPLERS (included in enelysis fee) To AboveJS To: OenQ Other special requireeents on "ports billing, or replaeeaent Maplers: PART II DESCRIPTION OF SAMPLES ------ ------ Mailed in 1 on 02/29/34 (nuaoer sasicra/boxes; laace, ________ Charcoal Tubes: Mfg. ________ Lot No. K Meabraae Filters: Mfg's No. or naterial C pore size _______________ _________ lapinger Solutions: _______________________________________ _________ Bulk Saaples: ________________________________________ ______ Other: ___________________________________________ Stapling Conditions; Elevation ^' feet above sea level; approx, air temp. ?2 (Continued - Over I OUP 0909142 DU 028962 SAMPLE \':,'MBK3F iwith bionic sample for eacn group so mariced) Sample Date AIR VOLUME SAMPLED. Liters (ooit for blanks) 02/22/84-8 02/22/84 2 analyze F0 Asbestos part :rr what other compounds, not normally found in air. may have been present in the sampled what type of process was occurring in the area during sampling'' Comment on any environmental extremes to which the sample may have been subjected. Any other comments regarding possible effects to the sample? Sample #8 employee removing insulation from vassal Op. 14. This sample la breathing zona of A. Gonzalez, the employee was wearing 3M 8710 respirator with TYVEK Protective clothing. 4 iy - DUP 0909143 DU 028963 iniii jjji i m I iJiln iniii i iW jLiaasa, Mmm HAGER LABORATORIES. INCORPORATED ANALYTICAL SERVICES FOR CYDCSIKT REPORT ON SERVICE NUMBER 10247 December 30, 1983 To: Nest Rose H. 3. Zaehry Company Victor:.*, TX Analysis: Method: Results: The following tamo Is* were submitted for analysis: Two mamorane filtar samples for aabestoa count. ASBESTOS (count) The asbestos content of each filter saaola was analyzed following NIOSH procedure P4CAM 239. Wedges from each filter were examined at 450 power uaing polarizing and phase contrast microscopes. Birefringent fibers longer than five (5) microns with a l#ngth-to-width ratio of 3:1 or more were counted as asbestos. Sample Number Total fibers Air Vol. (liters) Air Cone. (fibers/cc) Discuss ton: 12-12-83-6 12-12-83-7 N0(5100) 780000 240 240 NDC0.03) 3.3 The 0SHA permissible exposure limit (PEL) for asbestos is 2 fibers/cc. ND( ) indicates none of the substance was detected with a detection limit shown in the parentheses. Laboratory data are filed and available upon request. f i )i c Submitted by: i , ________ ^Robert N. Hsgea, Jr., Ph.D Laboratory Director RNH/nl DOF 0909144 X)\j 028964 Company Name Contact Telephone H. B. ZACHRY COMPANY____________ p- * BOX 2534 VICTORIA, TEXAS 77902 HEAL N. ROSE 512/572-1723 E. t. OCPOMT OHE KZBGSWOOD PLACE KXS8SS400D, TEXAS 77339 Purchase Order No. AVC-55627-4 Send REPLACEMENT SAMPLERS (included in analysis fee) To Above g] To; * Omitf~l Other special requirements on report: billing, or replacement samplers: PART II DESCRIPTION OP SAMPLES Mailed in ___________ _________________ (nuaoer mailers/boxes) isatei ________ Charcoal Tubes: Mfg . Lot No. X Membrane niters; Mfg's No. or material C pore siie _______________ _______ lapinger Solutions; _______ Bulk Samples; ____________________________________ ______ Other: ' .'Samplina Conditions; Elevation M 60* feet above sea level; approx, air temp. 68 (Continued - Over) DUP 0909145 DU 028965 SAMPU \:.,'lBrflS with olar.k staple for eacn grntio so manioc) 12-12-83-6. 12-13-83-7 Ramole Date 12-12-&3 12-13-83 AIR VOLUME SAMPLED, Lit*ra 'orait for blanK*) --_______2 2 A \ A L : 2 Asbestos Asbestos part ::: what other compounds, not noma!'. found tn air, may have been present in the samplec - what type of process was occurring m the area during sampling? Content on any environmental extremes to which the sample may have been subjected. * All samples 120 minute* sampling time. , Any other ;oosncnt3 recnrc.ni: rn-s.olc effects to the sample' Semple #6 Employees removing insulation from a 2" 35# staam pipe. 150' le outside ground level in 311 Aree. Semple is Jsmes Kurtz breathing zone. Employee wearing 3M-9920 respirator with TYVEX protective clothing. Sample #7 Breathing zone - A. Gonzalez removing aabeatos insulation,-fL.--- Employee wearing 3M-8710 respirator and TYVEX protective clothina. Of AA*C-- , *fnr< --6>f . DUP 0909146 Du 028966