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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX (415) 364 9233 <br /> Analytiea 1900 8atcs Avenue,Suite L Concord,CA 94520 (510) 686 9600 FAX(510)686 9689 <br /> 819 Striker Avenue,SULte 8 Sacramento CA 95834 (916) 921 9600 FAX (916)921 0100 <br /> SoStrategies. Inc Client Project 1D Unocal 787 03 Sampled 7/6,7/94 <br /> 3035 Prospect Park Drive, Suite 80 Sample Matrix SoII Relogged Jul 14, 1994 <br /> Sacramento, CA 95670 Analysis Method EPA 5030/8015/8020 Reported Jul 29, 1994 <br /> Attention Steve Carter First Sample # 4070381A <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample <br /> Analyte Limit I D I D <br /> mg/kg 4070381A 4070382A <br /> UM-25 5' UM-30 5' <br /> Purgeable <br /> Hydrocarbons 1 0 2 4 140 <br /> Benzene 0 005 00079 N D <br /> Toluene 0 005 0 012 028 <br /> Ethyl Benzene 0 005 00069 048 , <br /> *Total Xylenes 0 005 0 014 054 <br /> Chromatogram Pattern weathered Unidentified <br /> Gasolene Hydrocarbons <br /> >C7 <br /> Quality Control Data <br /> Report Limit Multiplication Factor 1 0 1 0 <br /> Date Analyzed 7/25/94 7/22/94 <br /> Instrument Identification HP-1 HP-1 <br /> Surrogate Recovery, % 113 90 <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 /> 49QUOIA ANALYTICAL, ELAP #1624 <br /> Craig C Lee <br /> Project Manager <br /> 4070360A GSI <3> <br />