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Sequoia 0 680 Chesaricake Dr,vt Red-ood City CA 90 (415) 364 9600 FAX (415) 364 9233 <br /> r V1 404 N Wrget lane Walnut Crcck CA 94598 (510) 988 9600 FAX (510)988 9673 <br /> friw� Analytical 819 Stnkcr Avcnuc Surtc 8 Sacramento CA 95834 (916) 921 9600 FAX (916)921 0100 <br /> Pacific Environmental Group, Inc Client Project ID Chevron #9-6258, Stockton, CA Sampled Oct 23 1996 <br /> 11315 Sunrise Gold Circle #M Sample Matrix Soil Received Oct 24 1996 <br /> Rancho Cordova, CA 95742 Analysts Method EPA 5030/8020 DHS Luft Reported Nov 5 1996 <br /> Attention Roger Hoffmore First Sample # 610-1185 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I D I D I D. I D I D I D <br /> mg/kg 610-1185 610-1186 610-1187 610-1188 610-1189 610-1190 <br /> T7@19 T-8@23 T-9@15 T10@15 T-11@15 T12@15 <br /> Purgeable <br /> Hydrocarbons 10 N D 2,300 N D N D N D N D <br /> Benzene 00050 N D N D N D N D N D N D <br /> I <br /> Toluene 00050 N D 57 N D N D N D N D <br /> Ethyl Benzene 00050 N D 54 N D N D N D N D <br /> • Total Xylenes 00050 N D 250 N D N D N D N D <br /> Chromatogram Pattern Weathered - <br /> Gasoline <br /> C7 C12 <br /> Quality Control Data <br /> Report Limit Multiplication Factor 1 0 100 1 0 1 0 1 0 1 0 <br /> Date Analyzed 10/29/96 10/29/96 10/29/96 10/29/96 10/29/96 10/29/96 <br /> Instrument Identification GCHP-7 GCHP-7 GCHP-7 GCHP-7 GCHP-7 GCHP-7 <br /> Surrogate Recovery, % 91 90 85 85 90 87 <br /> (OC 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 Emit <br /> . SEQUOIA ANALYTICAL, ELAP #1624 <br /> cvodl� M rbf�- <br /> Linda C Schneider <br /> Project Manager/Sacramento Laboratory <br /> 6101185 PES 1 <br />