Document xjvRpR84q4rbRVrLrVV5L5ZoE
November 11, 1991
Ms. Barbara J. Pope Southwestern Refining Company, P.0. Box 9217 Corpus Christi, Texas 78469
Inc.
Dear Ms. Pope:
Enclosed is written confirmation of the analytical results for the (3) bulk samples (Reference Numbers 91178, 91179, and 91180) delivered to our lab on Thursday, November 7, 1991.
The sample analyses were performed at our lab with a Nikon LabophotPol microscope. Standard oil immersion and optical staining techniques were used for asbestos identification. The Interim Method for the Determination of Asbestos in Bulk Samples (40 CFR Part 763, Appendix A, Subpart F) was used. Envirotest, Inc. is a National Institute of Standards and Technology NVLAP-accredited laboratory (#1595) for asbestos analysis.
The following analytical results pertain only to the samples analyzed. Envirotest, Inc. assumes no responsibility for whether the samples accurately represent the material in question nor for any subsequent use or interpretation of these analytical results.
If you have any questions regarding the sample analyses, please call. We appreciate the opportunity to be of service to you.
Sincerely,
Chief Executive Officer Envirotest, Inc.
SCW:111
10400 WESTOFFiCE DRIVE, #110, HOUSTON, TX 77042 713-782-4101
IB 003436
SWRf/Asbestos 1985
Envirotest, Inc. Laboratory B u lk Sample Analysis Report
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10400 WESTOFFICE DRIVE, SUITE 110, HOUSTON, TEXAS 77042
713/782-4101
INSTRUCTIONS: Originator attaches Part 2 to laboratory results and forwards to Medical Services.
I.D/SAMPLE NO.
11934
INDUSTRIAL HYGIENE SURVEY DATA AIR MONITORING KM--4293-A
WORK LOCATION
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REVIEWED BY COMMENTS
------- ---------
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BULKS (No.)
SW/Rf/Ashfistns
IB 003433
INSTRUCTIONS: Originator attaches Part 2 to laboratory results and forwards to Medical Services.
I.D./SAMPLE NO
11935
INDUSTRIAL HYGIENE SURVEY DATA - AS MONITORING KM--4293-A
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(WORK ACTIVITIES. OPERATION. LOCATION. VENTILATION. CONTROLS!
//<? ,
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REVIEWED BY COMMENTS
BLANKS (No.)
BULKS (No.)
SWRf/Asbestos 1983
1B 003434