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Q 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 (9t6) 921 9600 FAX (916)921 0100 <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 Soil 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 # 803-0563 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br />' Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit ID S I D J.D ID ID ID <br /> mg/kg 803-0563 803-0564 803-0565 803-0566 803-0567 803-0568 w <br /> USTSP A USTSP B USTSP C USTSP D USTSP E USTSP F <br /> Composite Composite Composite Composite Composite Composite <br /> Purgeable <br /> Hydrocarbons 10 N D 19 19 N D 21 18 <br /> Benzene 00050 N D N D N D N D N D 00067 <br />' Toluene 0,1050 N D 00050 N D N D N D 0 024 <br /> Ethyl Benzene 00050 N D N D N D N D N D N D <br /> Total Xylenes 00050 N D N D N D N D 0 022 0 046 <br /> Chromatogram Pattern Weathered Weathered Weathered Weathered <br /> Gasoline Gasoline Gasoline Gasoline <br />' C7 C12 C7-C42 C7-C12 C6-C12 <br /> Quality Control Data <br /> Reporting Limit <br /> Multiplication Factor 1 0 1 0 1 0 10 1 0 1 0 <br /> 1 Date Analyzed 03/13/98 03/13/98 03/16/98 03/13/98 03/13/98 03/13/98 <br /> Instrument Identification GCHP-2 GCHP-2 GCHP-1 GCHP-2 GCHP-2 GCHP-2 <br />' Surrogate Recovery, % 100 99 110 101 94 96 <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 PACVK L14YWNMENTAL GROUP IAC <br /> SEQUOIA ANALYTICAL, FLAP #16624 <br /> �d'-CEIVELr <br /> Indo C Schneider <br /> Project Manager/Sacramento Laboratory <br /> 8030563 PES <1> <br />