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Ci) Sequoia 680 Chesapeake Dove Redwood City CA 94063 (415) 364 9600 FAX (415) 364 9233 <br /> 404N Wiget Lane Wainuc Creek CA 94598 (5 10) 988 9600 FAX(510) 988 9673 <br /> ViOr Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX (916) 921 0100 <br /> Delta Environmental Consultants Client Project ICS Exxon ##7-3708,'Stockton Sampled Dec 28, 1995 <br /> 3164 Gold Camp Dr, Suite 200 Sample Matrix Soil Received Dec 28, 1995 <br /> Rancho Cordova, CA 95670 Analysis Method EPA 5030/8015/8020 Reported Jan 2, 1996 <br /> Attention Todd Galati First Sample # 512-1441 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample <br /> Analyte Limit I D. I D. I D I D. <br /> mg/kg 512-1441 512-1442 512-1443 512-1444 <br /> Tank Pit-1 Tank Pit-2 Tank Pit-3 Tank Pit-4 <br /> Purgea5le <br /> Hydrocarbons 1 0 84 14 400 N D <br /> Benzene 00050 N D N D 1 0 N D <br /> Toluene 00050 N D N D 2 0 N D <br /> Ethyl Benzene 00050 0 60 N D 74 N D <br />• Total Xylenes 00050 2 0 N D 28 N D <br /> Chromatogram Pattern Weathered Unidentified Weathered -- <br /> Gasoline Hydrocarbons Gasoline <br /> Cs-C12 c10-C12 C6-C12 <br /> Quality Control Data <br /> Report Limit Multiplication Factor 20 1 0 20 1 0 <br /> Date Analyzed 12/29/95 1/2/96 12/29/95 12/29/95 <br /> Instrument Identification GCHP-1 GCHP-1 GCHP-1 GCHP-1 <br /> Surrogate Recovery, % 84 88 106 84 <br /> (QC Limits = 70-130°/x) <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, EL4P #1624 <br /> i <br /> Lnda C Schneider <br /> Prolect Manager <br /> 5121441 [)LT <1> <br />