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Sequoia 680 Chesapeake Drive Redwood Cay CA 94063 415)-36"4 9600 FAX(415) 364-9233 <br /> 404 N Wlget Lane Walnut Creek CA 945"i) (510) 988 9600 FAX(510A X88 9673 <br /> lz) Analytical 819 Stnker Avenue Suite 8 Sacramento CA 95834 yL' ,-ra—mp—ledJul <br /> (916k193"'! 406 19cw&x( 1¢)19,21 0100 <br /> �t� fl�fl <br /> Delta Environmental Consultants Client Project ID Exxon #7-3708, Stockton, C 31, 1996 <br /> 3164 Gold Camp Dr, Suite 200 Sample Matrix Water Received Aug 1, 1996 <br /> Rancho Cordova, CA 95670 Analysis Method EPA 5030/8015/8020 Reported Aug 9, 1996 <br /> Attention C Keonl Almeida First Sample # 608-0074 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I D I.D. I D I.D I D. I D <br /> ug/L 608-0074 608-0075 608-0076 608-0077 608-0078 608-0079 <br /> MW-5 MW-4 MW-8 MW-6 MW-3 MW-2 <br /> Hurgeable <br /> Hydrocarbons 50 N D N D N D N D 1,400 N D <br /> Benzene 0 50 N D N D N D N D 580 N D <br /> Toluene 0 50 N D N D N D N D N D N D <br /> Ethyl Benzene 0 50 N D N D N D N D 11 N D <br /> Total Xylenes 050 N D N D N D N D N D N D <br /> Chromatogram Pattern - - weathered <br /> Gasoline <br /> c6-cl 2 <br /> Quality Control Data <br /> Report Limit Multiplication Factor 1 0 1 0 1 0 1 0 20 10 <br /> Date Analyzed 08/06/96 08/06/96 08/06/96 08/06/96 08/06/96 08/06/96 <br /> Instrument Identification GCHP-2 GCHP-2 GCHP-2 GCHP-2 GCHP-2 GCHP-2 <br /> Surrogate Recovery, % 93 92 93 96 97 89 <br /> (QC Limits = 70-130%) <br /> Purgeabie Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected at or above the reporting limit <br /> SEQUOIA ANALYTICAL, ELAP #1624 <br /> inda C Schneider <br /> /Project Manager/Sacramento Laboratory <br /> sosoora DLT <;> <br /> 74 <br />