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WEST-PAIN E JaJxtyztotleA inc. 7979 GSR1 AVE, BATON ROUGE, LA 70820 \ PPe V ASBESTOS FIBER COUNT ANALYSIS FOR DOW CHEMICAL Industrial Hygiene Bldg. 3502W Post Office Box 150 Plaquemine, LA 70765 ATTENTION: Ms. Darlene Creel May 07, 1992 A Member or the Inchcape Environmental Group DO A 114996 CGNFIDFNTTAL 203363 s .p WEST-PA1NE JjxbotCUmieA INC., 7979 QSRI AVE. BATON ROUGE. LA 70820 DOW CHEMICAL Plaquexnine/ LA May 07, 1992 Six (6) filter cassette samples were received on May 01, 1992 from Dow Chemical for fiber count. Fibers larger than 5 microns in length were counted by means of phase-contrast microscopy at a magnification of 400X. The procedure recommended by NIOSH method 7400A was followed. Pertinent information regarding fiber counts is as follows: Field Area: 0.00785 mmz (Walton Beckett Graticule) Effective Collecting Area: 385 mm2 (25 mm Cassette) 855 mm2 (37 mm Cassette) Limit of Quantitation: 10 fibers/100 fields Limit of Detection: > Average Blank Count @ Detection limits are based upon a minimal concentration of 7 f ibers/mmz. N Sample I.D. Fibers (>5um) Observed LGTI: 13526 Cellulose: 13534 Caustic: 13527 13533 Blank #1 Blank #2 2 4 1 0 0 0 No. of Fields Observed 100 100 100 100 100 100 Fibers per Filter 981 1,962 490 <490 <490 <490 Volume of Air (L) Fibers (>5um) per c.c. of Air ppe V Philip W. West, Ph.D. ^Laboratory Director 00 A 11499/ CONFIDENTIAL. 203363 A Member of the Inchcape Environmental Group WEST PAINE LABORATORIES INC. 7979 GSR! AVE. BATON ROUGE, LA 70820 PO MSI #. Sample l.D.: *1352.10 **13590 *13533 CHAIN-OF-CUSTODY RECORD SAMPLE COLLECTION: Collector's Name: Darlene S. Creel Telephone: (504) 389-6181 Company Name: Dow Chemical. (Industrial Hygiene Bldg. 35Q2W Address: P.O. Box 150. Plaquemine. Louisiana. 70765-0500 *4Date Sampled: 3S- 3 Q i 7- Time: Type of Process or Facility Sampled: Fiber count via NIOSH 7400 Field Information: Filter cassettes for fiber per filters 4lVrT-*I352U Cjd&uJUs** -*(3S3</ - * (.563-1 - 305533 SAMPLE SHIPPING (othja than transportation by collector): Transporter's Name: J Date: ^ - /- 3P- Time-.P'/O Company Name: West Paine Courier Address: __-_--_--_--_--_--_--_--_--_--_--_--_--_--_--_--------------------------------------------------------------------------------------------- ^j^_ .\gsa. SAMPLE RECEIVING: Person accepting sample ___ OjtfxfUZADate:. 05/01/9^" ^-Thne: 75%?5 Company Name: WEST-PA1NE LABORATORIES. INC. Address: 7979 GSRI AVENUE. BATON ROUGE. LOUISIANA 70820 PHQNE:(50417694900 Sample DispositionStorageFurther TransportationOther CHAIN-OF-POSSESSION: (Attach additional sheets as needed to show continuity) TERMINATION OF CHAIN OF CUSTODY: 00 o 1 t'Jt ** ' > OONOTOrNTTAi Authorized by:______________________________ .Date: Time: Company/Name:. .Address: