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J - ' Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX(415) 364-9233 <br /> Analytical 1900 Bates Avenue Suite L Concord CA 94520 (510) 686 9600 FAX(510)686 9689 <br /> $i9 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916)921 0100 <br /> 16I3rown & Caldwell Client Project ID Arco 2133-94-2, Stockton Sampled ` Dec 21, i9�4t <br /> 9616 Micron Ave , Suite 600 Sample Matrix Soil Received Dec 22, 1994 <br /> Sacramento, CA 95827 Analysis Method EPA 5030/8015/8020 Reported Jan 5, 1995 <br /> Attention Steve Misner First Sample# 412-0818 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Lima ID ID I D. I D. 1 D. 1 D. <br /> mg/kg 412-0818 412-0819 412-0820 412-0821 412-0822 412-0823 <br /> MW-3 MW-3 MW-3 MW-4 MW-4 MW-4 <br /> 6-65 11-115 16-165 6-65 11-115 16-165 <br /> Furgeable <br /> Hydrocarbons 10 N D N D N D N D N D N D <br /> Benzene 00050 N D N D N D N D N D N D <br /> Toluene 00050 N D N D N D N D N D N D <br /> Ethyl Benzene 00050 N D N D N D N D N D N D <br />. Total Xylenes 00050 N D N D N D N D N D N D <br /> Chromatogram Pattern - - -- - -- <br /> Quality Control Data <br /> Report Limit Multiplication Factor 1 0 1 0 1 0 1 0 1 0 1 0 <br /> Date Analyzed 1/3/95 1/3/95 1/3/95 1/4/95 1/4/95 1/4/95 <br /> Instrument Identification GCHP-1 GCHP-1 GCHP-1 GCHP-1 GCHP-1 GCHP-1 <br /> Surrogate Recovery, % 79 88 90 92 88 87 <br /> (QC Limits = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against afresh gasoline standard <br /> Analytes reported as N D were not detected at or above the reporting limit <br /> SEQUOIA ANALYTICAL, ELAP 41624 <br /> Jennie Higgins <br /> Project Manager <br /> 4120818 BRS <i> <br />