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Sequoia 680 Chesapeake Drive Redwood City CA 94063 (650) 364 9600 FAX(650)364 9233 <br /> 404 N Wiget Lane Walnut Creek CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Striker Avenue Suite 8 Sacramento CA 95834 (916) 921 9600 FAX(916)921 0too <br /> Pacific Environmental Group Client Project ID 920-122 1A/Chevron 9-9840,Stockton,CA Sampled Mar 12, 1998 <br /> 11315 Sunrise Gold Circle, Ste M Sample Matrix Sod Received Mar 12, 1998 <br /> Rancho Cordova, CA 95742 Analysis Method EPA 5030/8020, DHS Luft Reported Mar 17, 1998 <br /> ' Attention Tim Anenson First Sample# 803-0575 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> ' Reporting Sample <br /> Analyte Limit I D <br /> mg/kg 803-0575 <br /> USTSP M <br /> Composite <br /> Purgeable <br /> Hydrocarbons 10 10 <br />' Benzene 00050 N D <br /> Toluene 00050 N D <br /> Ethyl Benzene 00050 N D <br /> Total Xylenes 00050 00086 <br /> Chromatogram Pattern Weathered <br /> Gasoline <br />' C6 C12 <br /> Quality Control Data <br />' Reporting Limit <br /> Multiplication Factor 1 0 <br />' Date Analyzed 03/13/98 <br /> Instrument Identification GCHP-2 <br />' Surrogate Recovery, % 90 <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 limit <br /> /SEQU�QA ANALYTICAL, P #1624 <br /> Schneider <br /> anager/Sacramento Laboratory <br /> 8030563 PIES <3> <br />_ c� <br />