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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 0100 <br /> Pacific Environmental Group Client Project ID 920-122 1A/Chevron 9-9840, Stockton,CA Sampled Mar 11, 1998 <br /> 11315 Sunrise Gold Circle, Ste M Sample Matrix Soil Received Mar 12, 1998 <br /> Rancho Cordova, CA 95742 Analysis Method EPA 5030/8020, DHS Luft Reported Mar 27, 1998 <br /> Attention Tim Anenson First Sample # 803-0559 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample <br /> Analyte Limit I D. I D I D I D. <br /> mg/kg 803-0559 803-0560 803-0561 803-0562 <br /> T-1 A @ 17 PL-2A @ 17 PL-3A @ 17 T-6 @ 17' <br /> Furgeable <br /> Hydrocarbons 10 N D 12 N D N D <br /> Benzene 00050 N D 00061 N D N D <br /> Toluene 000,50 N D 0 013 N D 00051 <br /> Ethyl Benzene 00050 N D 00068 N D N D <br /> Total Xylenes 00050 N D 0 063 00054 0 044 <br /> Chromatogram Pattern Weathered <br /> Gasoline <br /> C6-C12 <br /> Quality Control Data <br /> Reporting Limit <br /> Multiplication Factor 1 0 1 0 1 0 10 <br />' Date Analyzed 03/23/98 03/23/98 03/23/98 03/23/98 <br /> Instrument Identification GCHP-1 GCHP-1 GCHP-1 GCHP-1 <br />' Surrogate Recovery, % 101 101 103 102 <br /> (QC Limits = 60-140%) <br /> This page was amended April 3, 1998 <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 IA ANALYTICAL <br /> /ELAP 9 <br /> 116624 <br /> Inda C Schneider <br /> Project Manager/Sacramento Laboratory <br /> 8030559 PES < I <br />