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Sequoia 690 Chesapeake Drive Redwood City, CA 94063 (4 15) 364-9600 FAX (415) 364 9233 <br /> 404 N. Wiget Lanc Walnut Creek, CA 91SW 15101 989-9600 I-AX (5 It)' 988 9673 <br /> �tflll� Analytical H19 Striker Avenue,Sulu N Sacramrnto, C A 95834 916? 921 9604 1AX l9 6} 921 t11C1U <br /> 4acific Environmental Group Client Project ID: 920-078 1A/Chevron 9-0557. Stockton, CA Sampled: Oct 6, 1997. <br /> 11315 Sunrise Gold Circle, Ste. M Sample Matrix: Soil Received: Oct 7, 1997.. <br /> Rancho Cordova, CA 95742 Analysis Method: EPA 5030/8020, DHS Luft Reported: Oct 24, 1997 <br /> Attention: Roger Hoff more First Sample #: 710-0336 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample <br /> Analyte Limit I.D. I.D. I.D. <br /> mg/kg 710-0336 710-0341 710-0344 <br /> MW-9075' MW-8(x125' MW-8942' <br /> urgea e <br /> Hydrocarbons 1.0 8.1 N.D. N.D. <br /> Benzene 0.0050 0.063 N.D. N.D. <br /> Toluene 0,0050 0.27 N.D. N.D. <br /> Ethyl Benzene 0.0050 0.13 N.D. N.D. <br /> Wotai Xylenes 0.0050 0.64 N.D. N.D. <br /> Chromatogram Pattern: Gasoline -C6-C12 <br /> Quality Control Data <br /> Reporting Limit <br /> Multiplication Factor: 2.0 1.0 1.0 <br /> Date Analyzed: 10/20/97 10/20/97 10/20/97 <br /> Instrument Identification: GCHP-1 GCHP-1 GCHP-1 <br /> Surrogate Recovery, %: 101 95 99 <br /> (QC Limits = 60-140%) <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 ANALYTICAL ELAP #1624 <br /> nda C. Schnei er <br /> roject Manager/Sacramento Laboratory <br /> 7100324.PES <3> <br /> r�i <br />