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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364 9600 FAX(650)364 9233 <br /> ID 404 N W,get Lane Walnut Creek CA 94598 (510) 988 9600 FAX (510)988 9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 92 t 9600 FAX (916)921 0100 <br /> 0- <br /> Pacific Environmental Group Client Project ID 920-119 119/Chevron 9-6171 Stockton CA Sampled Jan 9 1998 <br /> 11315 Sunrise Gold Circle, Ste M Sample Matrix Soil Received Jan 12, 1998 <br /> Rancho Cordova, CA 95742 Analysis Method EPA 5030/8020 DHS Luft Reported Jan 15, 1998 <br /> Attention Tim Anenson First Sample # 801-0339 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I D 1 D I D I D I D I D <br /> mg/kg 801-0339 801-0340 801-0341 801-0342 801-0343 801-0344 <br /> P-14@3 P-15@3 P-16@5 P-17@10 P18@3 P19@3 <br /> Purgeable <br /> Hydrocarbons 10 N D N D 11 22 N D N D <br /> Benzene 00050 N D N D 064 N D 00054 4 ND <br /> Toluene 00050 N D 00062 25 N D 0 040 N D <br /> Ethyl Benzene 00050 N D N D 0 21 0 025 N D N D <br /> Total Xylenes 00050 N D 0 011 1 2 Oil 0 026 N D <br /> Chromatogram Pattern -- -- Weathered Weathered <br /> Gasoline Gasoline <br /> C6-C12 C6-C12 <br /> Quality Control Data <br /> Reporting Limit <br /> Multiplication Factor 10 1 0 5 0 1 0 1 0 1 0 <br /> Date Analyzed 01/14/98 01/14/98 01/15/98 01/15/98 01/14/98 01/14/98 <br /> Instrument Identification GCHP-1 GCHP-1 GCHP-1 GCHP-1 GCHP-2 GCHP-1 <br /> Surrogate Recovery, % 92 92 86 92 83 91 <br /> (QC Limits = 60-140°/x) <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 /> SEQUOIA ANALYTIC ELAP #1624 <br /> 7/ndaCSchnei er <br /> t Manager/Sacramento Laboratory <br /> 8010315 PES <5> <br />