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�Z- <br /> 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364 9233 <br /> Sequoia 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> yAnalytiF1 ,7n;°M0;1tnker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916)921 0100 <br /> 14WAUG D 8 1996 <br /> �t�F. a entPro WID Arco 2168, Stockton, CA Sampled Jul 24, 1996 <br /> J Associates rAer— ';J ,_ ) <br />,33 N Market Blvd Sample atc Sod Received Jul 25, 1996 <br />,icramento, CA 95834 Analysis Method EPA 5030/8015/8020 Reported Aug 5, 1996 <br /> tendon Claudio Avila First Sample # 607-1051 <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 /> mg/kg 607-1051 607-1052 607-1053 607-1054 607-1055 607-1056 <br /> S-11 5 B22 S-21 5-822 S-115-823 S 21 5 1323 S 25-B24 S-25-B25 <br /> —Purgeable <br /> Hydrocarbons 10 730 N D N D N D 440 36 <br /> Benzene 0 0050 N D 00052 N D 0 039 N D 022 <br /> Toluene 00050 1 6 N D N D N D 23 0 049 <br /> Ethyl Benzene 00050 37 N D N D N D 8 6 0 044 <br /> *I Xylenes 00050 51 00095 N D N D 44 015 <br /> Chromatogram Pattern Weathered -- Gasoline Weathered <br /> Gasoline C6-C12 Gasoline <br /> C6-C12 C6-C12 <br /> Quality Control Data <br /> Report Limit Multiplication Factor 20 10 1 0 10 20 5 0 <br /> Date Analyzed 07/31/96 07/31/96 07/31/96 07/31/96 07/31/96 07/31/96 <br /> Instrument Identification GCHP-1 GCHP-1 GCHP-1 GCHP-1 GCHP-1 GCHP-1 <br /> Surrogate Recovery, % 97 92 89 92 129 95 <br /> (0C Limits = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N 0 were not detected at or above the reporting limit <br /> SEQUOIA ANALYTICAL, ELAP #1624 <br /> Linda C Schneider <br /> Project Manager/Sacramento Laboratory <br /> 6071051 EMC �1 <br /> w� <br />