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Sequoia 680Chesapeake Dnvc Redwood C,tv CA 94063 (415) 364 9600 FAX (4t5) 364 9233 <br /> l 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510) 988 %73 <br /> �,,,� Analytica <br /> 919 Stnker Avenue Suete 8 Sacramento CA 95834 (916) 921 9600 FAX (916) 921 0100 <br /> *Brown & Caldwell Client Project ID Arco 2133-95-5, Stockton Sampled Aug 222 1995 <br /> 9616 Micron Ave , Suite 600 Sample Matrix Water Received Aug 22 1995 <br /> Sacramento, CA 95827 Analysis Method EPA 5030/8015/8020 Reported Sep 6 1995 <br /> Attention Mindy Patterson First Sample # 508-1048 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample <br /> Analyte Limit I D <br /> pg/L 508-1048 <br /> Tank <br /> Purgeable <br /> Hydrocarbons 50 930 <br /> Benzene 050 44 <br /> Toluene 050 47 <br /> Ethyl Benzene 050 32 <br /> • Total Xyfenes 050 55 <br /> Chromatogram Pattern Gasoline <br /> C&C12 <br /> Quality Control Data <br /> Report Limit Multiplication Factor 1 0 <br /> Date Analyzed 8/28/95 <br /> Instrument Identification GCHP-2 <br /> Surrogate Recovery, % 130 <br /> (OC 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 #1624 <br /> Janet an <br /> Project anager <br /> 5081046 SRS <2> <br />