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» r <br /> ` Sequoia *80 Chesapeake Drive Redwood City CA 94063t5) 364 9600 iAX (415) 364 9233 <br /> a <br /> 404 N Wrgci l ne Walnut Creek CA 94598 (510) 988 9600 FAX (510)988 9673 <br /> Analytical 819 Striker AvcrinC Suite 8 Sacramento CA 95834 (9 16) 921 9600 FAX (916) 921 0100 <br /> Pacific Environmental Group, Inc Client Project ID Chevron 9-6258, Stockton, CA Sampled May 23 1997 <br /> 1 p Y <br /> 11315 Sunrise Gold Circle, #M Sample Matrix Soil Received May 27, 1997 <br /> Rancho Cordova, CA 95742 Analysis Method EPA 5030/8020, DHS Luft Reported May 30, 1997 <br /> Attention Dennis M Jones First Sample # 705-0881 <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 705-0881 705-0882 705-0883 <br /> B 7@26-26 5 B 7@41-41 5 B-7@46-46 5 <br /> Purgeable <br /> Hydrocarbons 10 1,700 1 5 N D <br /> Benzene 00050 N D N D N D <br /> Toluene 00050 15 N D 0 028 <br /> Ethyl Benzene 00050 23 0 048 0 012 <br /> Total Xylenes 00050 120 0 20 0 061 <br /> Chromatogram Pattern Weathered Weathered Weathered <br /> Gasoline Gasoline Gasoline <br /> C7 C12 C7 C12 C7-C12 <br /> Quality Control Data <br /> Report Limit Multiplication Factor 50 1 0 1 0 <br /> Date Analyzed 05/28/97 05/28/97 05/28/97 <br /> Instrument Identification GCHP-1 GCHP-1 GCHP-1 <br /> Surrogate Recovery, % 92 99 94 <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 ANALYTICAL, FLAP #1624 <br /> (/d �nda C Schn <br /> rolect Manager/Sacramento Laboratory <br /> V7050881 PES c t? <br /> t� <br />