Document N2GJ6bK8oQVo64Q7q86RZ88eE
July 28, 1993
Ms. Barbara Pope Southwestern Refining Company, Inc. P.0. Box 9217 Corpus Christi, Texas 78469-9217
Dear Ms. Pope:
Enclosed is written confirmation of analytical results for the eleven rush air samples, numbers 9-3185, 93186, 93187, 93190, 93191, 93202, 93203, 93204, 93208, 93209, and 93210, received at our laboratory at 9:33 a.m. on Wednesday, July 28th, 1993.
Calculations of f/cc are based solely on the volume supplied by Southwestern Refining Company. Envirotest Inc. assumes no responsibility for whether the supplied samples accurately represent the regulated area nor for any subsequent use or interpretations of the analytical results.
The air sample analyses were performed in our Houston labo ratory by NIOSH 582-certified personnel with a Nikon Alphaphot microscope equipped with 400X magnification, Walton-Beckett graticule, and positive phase contrast. The NIOSH 7400 method was used. Envirotest, Inc. is licensed by the Texas Depart ment of Health (#30-0005) for asbestos laboratory analysis.
If you have any questions regarding the sample analyses, please call. We appreciate the opportunity to be of service to Southwestern Refining Company, Inc.
Sincerely,
Daniel jY Gerhardt, C.P.G President Envirotest, Inc.
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3902 BRAXTON, HOUSTON, TEXAS 77063 713-782-4101
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10400 WEST0FF1CE DRIVE, SUITE 110, HOUSTON, TEXAS 77042 713/782-4101
Client
f"P` IH ANALYTICAL ULQULST
Sent Invest urn Kefii'Ine Cunpnnu, Inc.
Case No:
r. 0. Box 9217____________________________
Date Reed:
Corpus Christl, TX 78m69______________
Shipment Method:
Del. agent:______
Investigation:
Rcc. agent:______
Lab Number
Client Number
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Sample
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File Comments:
IB 004603 SWRf/Asbestos 1836