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(D Sequoia 680 Chesapeake Drive Redwood City CA 94063 (415) 364 9600 FAX (415) 364 9233 <br /> 404 N W,get Lane Walnut Creek CA 94598 (510) 988 9600 FAX (510)988 9673 <br /> %IIS Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916) 921 0100 <br /> Delta Environmental Consultants Client Project ID Exxon #7-3708, Stockton, CA Sampled Dec 29 1995 <br /> 3164 Gold Camp Dr, Suite 200 Sample Matrix Soil Received Jan 2 1996 <br /> Rancho Cordova, CA 95670 Analysis Method BPA 5030/8015/8020 Reported Jan 4, 1996 <br /> Attention Todd Galati First Sample # 601-0001 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I D 1.0 l D 1 D I D I D <br /> mg/kg 601-0001 601-0002 601-0003 601-0004 601-0005 601-0006 <br /> Tank Pit Bottom Tank Pit-5 Tank Pit-6 Tank Pit-7 SP2-M thru P SP2-0 thru T <br /> Composite Composite <br /> Furgeable <br /> Hydrocarbons 1 0 88 13 27 29 42 90 <br /> Benzene 00050 0 68 029 066 0 013 013 N D <br /> Toluene 00050 0 43 018 018 0 046 1 0 0 91 <br /> Ethyl Benzene 00050 033 024 056 0 037 0 61 0 68 <br />• Total Xylenes 00050 1 4 1 1 20 019 3 0 39 <br /> Chromatogram Pattern Gasoline Weathered Weathered Gasoline Gasoline Weathered <br /> 106-1012 Gasoline Gasoline C10-C12& C6-C12 Gasoline <br /> C7-G12& C7-1012& Unidentified C7-C12& <br /> Discrete peak Discrete peak Hydrocarbons <br /> ca CS <br /> Quality Control Data <br /> Report Limit Multiplication Factor 1 0 1 0 25 1 0 5 0 20 <br /> Date Analyzed 1/3/96 1/3/96 1/3/96 1/3/96 1/3/96 1/3/96 <br /> Instrument Identification GCHP-18 GCHP-18 GCHP-18 GCHP-18 GCHP-18 GCHP-18 <br /> Surrogate recovery, % 120 110 112 88 124 92 <br /> (QC Limits = 70-130%) <br /> Purgeable Hydrocarbons are quantitated against a trash gasoline standard <br /> Analytes reported as N D were not detected at or above the reporting limit <br /> EQUCIA ANALYTICAL, ELAP #1210 <br /> Linda C Schneider <br /> Project Manager/Sacramento Laboratory <br /> 6010001 CLT -1 > <br />