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Sequoia 680 Chesapeake Drive Redwood Gty, CA 94063 (415) 364 9600 FAX (415) 364 9233 <br /> 404 N Wiget 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 /> WtM <br /> -West Client Project ID 653 30 /Santa re /Stockton Sampled Jun 29, 1995 <br /> Capitol Mail, 8th Fir Sample Matrix Water Received Jun 29, 1995 <br /> Sacramento, CA 95614 Analysis Method EPA 5030/8015/8020 Reported Jul 14, 1995 <br /> Attention Laurie Depies First Sample# 506-1738 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample <br /> Analyte Limit I D. I.D 1.11) 1 D I D <br /> Ng/L 506-1738 506-1739 506-1740 506-1741 BLK071195 <br /> MW-1 MW-2 MW-3 T Blank Method Blank <br /> 6 29 95 6 29 95 62-995 <br /> Furgeable <br /> Hydrocarbons 50 N D ND N D N D N D <br /> Benzene 050 ND N D N D N D N D <br /> Toluene 050 ND N D N D N D N D <br /> Ethyl Benzene 050 N D N D N D N D N D <br /> Total Xylenes 0 50 N D N D N D N D N D <br /> Chromatogram Pattern -- - - - <br /> Quality Control Data <br /> Report Limit Multiplication Factor 10 1 0 10 10 10 <br /> Date Analyzed 7/11/95 7/11/95 7/11/95 7/11/95 7/11/95 <br /> Instrument Identification GCHP-1 GCHP-1 GCHP-1 GCHP-1 GCHP-1 <br /> Surrogate Recovery, % 80 78 87 88 99 <br /> (OC Limits = 70-130%) <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 /> SEQUOIA ANALYTICAL, ELAP #1624 <br /> Linda C Schneider , <br /> Project Manager <br /> 5061738 ERS I> <br />