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r <br /> Sequoia 680 Chesapeake Dave Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> 1900 Bates Avenue Suite L Concord, CA 94520 (510) 686 9600 FAX(S 10)686 9689 <br /> Analytical 819 Smker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> YBlaine Tech Services,yInc Client Project ID 940510-K2, Shell, 6131 Pacific Avenu Sampled May 10, 1994 <br /> 985 Timothy Drive Sample Matrix Water Received May 11, 1994 <br /> San Jose, CA 95133 Analysis Method EPA 5030/8015 Mod /8020 Reported May 23, 1994 <br /> Attention Jim Keller First Sample# 4E73201 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I D. 1.0 I.D. I.D. I.D. I.D. <br /> dig/L 4E73201 4E73202 4E73203 4E73204 4E73205 4E73206 <br /> MW-1 MW-2 MW-3 DUP EB TB <br /> Purgeable <br /> Hydrocarbons 50 N D 780 150,000 150,000 N D N D <br /> Benzene 050 N D 96 19,000 20,000 N D N D <br /> Toluene 050 N D N D 28,000 29,000 N D N D <br /> Ethyl Benzene 050 N D N D 2,500 2,500 N D N D <br /> Total Xylenes 050 N D N D 13,000 14,000 N D N D <br /> Chromatogram Pattern -- C6-C12 06-C12 C6-C12 -- -- <br /> Qualdy Control Data <br /> Report Limit Multiplication Factor 10 50 500 500 10 10 <br /> Date Analyzed 5/15/94 5/14/94 5/15/94 5/15/94 5/14/94 5/14/94 <br /> Instrument Identification GCHP-3 GCHP-17 GCHP-3 GCHP-3 GCHP-2 GCHP-2 <br /> Surrogate Recovery, % 95 99 86 86 113 117 <br /> (QC Limits = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against afresh gasoline standard <br /> Analytes reported as N D were not detected above the stated reporting limit <br /> *SEQUOIA ANALYTICAL <br /> r <br /> Suzanne Chin <br /> Project Manager 4E73201 SLA <I> <br />