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Sequoia 680 Chesapeake Drive Redwood City,CA 94063 (415) 364-9600 FAX(415) 364 9233 <br /> 404 N Wiget lane Walnut Creek,CA 94598 (510) 986 9600 FAX(510)988 9673 <br /> ,-!D— <br /> wAnalytical 8 t 9 StrLker Avenue,Suite 8 Sacramento,CA 95834 (916) 921-9600 FAX(916)921 0100 <br /> OPOS Services Client Project ID Unocal#0187,437 E Miner Ave ,Stockton Sampled Nov 8, 1995 <br /> 2401 Stanwell Dr, Ste 300 Matrix Descript Water Received Nov 8, 1995 <br /> Concord, CA 94520 Analysis Method EPA 5030/8015 Mod /8020 Reported Nov 27, 1995 <br /> Attention Jarrel Crider First Sample # 511-0999 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Sample Sample Chromatogram DL Mult Date Instrument Surrogate <br /> Number Description Pattern Factor Analyzed 1D Recovery, % <br /> QC Limits <br /> 70-130 <br /> 511-0999 U1 Gasoline 10 11/21/95 HP-1 99 <br /> 511-1000 U2 Gasoline 1 0 11/21/95 HP-1 108 <br /> 511-1001 U3 Gasoline 10 11/21/95 HP-1 116 <br /> 511-1002 U4 Gasoline 10 11/21/95 HP-1 106 <br /> 511-1003 U5 -- 1 0 11/21/95 HP-1 102 <br /> 511-1004 U6 -- 1 0 11/21/95 HP-1 100 <br /> 511-1005 U7 Gasoline 10 11/22/95 HP-1 95 <br /> I <br /> 511-1006 U8 Gasoline 10 11/22/95 HP-1 108 <br /> SEQUOIA ANALYTICAL, #2000 <br /> 0-ginature on File <br /> Alan B Kemp <br /> Project Manager <br /> 5110999 MPD a2> <br />