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Sequoia 680 Chesapeake Drive Redwood City, CA 94063 (415) 364.9600 FAX (415) 364-9233 <br /> 4D— 404 N, Wjget Lane Walnut Creek,CA 94598 (510) 988-9600 FAX (510)988-9673 <br /> Analytical 819 Striker Avenue, Suite 8 Sacramento, CA 95834 (916) 921-9600 FAX (916)921-0100 <br /> MCbN .......... <br /> e ...... <br /> 1433 N. Market Blvd. C1 roject'ID: Aktd 2i 66,"8'tockfo n, C Sampled. Aug 20, <br /> Sample Matrix: Water <br /> Received: Aug 20, 199T.; <br /> Sacramento, CA 95834 Analysis Method: EPA 5030/8020, DHS Luft Reported: Sep 4, 1997:;. <br /> Attention- Claudio Avila First Sample#: 708-0799 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Sample Sample Sample Sample <br /> Analyte Units Results Results Results Results <br /> yg/L 708-0799 708-0800 708-0801 708-0802 <br /> MW-1 (74) MW-2 (74) MW-3 (73) VW-30 (60) <br /> Purgeable 31,000 N.D. N.D. <br /> Hydrocarbons A 200 <br /> Reporting Limit 51000 50 so bu <br /> Benzene 1,000 N.D. N.D. N.D. <br /> Reporting Limit: 50 0150 0.50 0.50 <br /> Toluene 2,800 N.D. N.D. N.D. <br /> Reporting�Limll. 50 0.50 050 0,50 <br /> Ethyl Benzene 1,300 N.D. N.D. N.D. <br /> Reporting Limit: 50 0.50 0.50 0.50 <br />*total Xylenes 4,000 N.D. N.D. N.D. <br /> Reporting Limit: 50 0.50 0.50 0.50 <br /> Chromatogram Gasoline -- -- Weathered <br /> Pattern: C6-C12 Gasoline <br /> CS-C12 <br /> Quality Control Data <br /> Date Analyzed: 08/27/97 08/27/97 08/27/97 08/27/97 <br /> Instrument Identification: GCHP-7 GCHP-7 GCHP-7 GCHP-7 <br /> Surrogate Recovery, %: <br /> (QC Limits = 60-140%) 96 98 96 138 <br /> Purgeable Hydrocarbons are quantitated against a fresh gasoline standard. <br /> Analytes reported as N.D.were not detected at or above the reporting limit. <br /> SEC,ZU IkNALY-nCA FLAP #1624 <br /> a C. Schneider <br /> roject Manager/Sacramento Laboratory <br /> 7080799.EMC <1> <br />