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Sequoia <br />680 Chesapeake Drive <br />Redwood City CA 94063 (650) 364-9600 <br />Walnut Creek CA 94598 (925) 988-9600 <br />FAX (650) 364-9233 <br />FAX (925) 988-9673 <br />8/25/98 8/25/98 8/25/98 <br />404 N Wiget Lane <br />Instrument Identification <br />HP -4 HP -4 HP -4 <br />�III� Analytical <br />819 Striker Avenue Suite 8 Sacramento CA 95834 (916} 921-9600 <br />1455 McDowell Blvd North Ste D Petaluma CA CA 94954 (707 792-1865 <br />FAX (9i6� 921 0100 <br />FAX 707 792 0342 <br />90 96 96 <br />(OC Limits = 40-140%) <br />Oettler-Ryan - Dublin <br />Client Project ID <br />Chevron #9-5775, Lodi Sampled <br />Aug 24, 1998 <br />6747 Sierra Court, Suite J <br />Sample Matrix <br />Soil Received <br />Aug 24, 1998 <br />Dublin, CA 94568 <br />Analysis Method <br />BPA 5030/8015 Mod /8020 Reported <br />Aug 26, 1998 <br />Attention Greg A Gurss <br />First Sample # <br />808-2214 <br />TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br />Reporting <br />Sample <br />Sample Sample Sample Sample <br />Sample <br />Analyte Limit <br />ID <br />ID ID ID ID <br />ID <br />mg/kg <br />808-2214 <br />808-2215 808-2216 808-2217 808-2218 <br />808-2219 <br />C2(14 5) <br />P1(5 5) P2(5 5) P3(5 5) P4(5) <br />FW01(8 5) <br />Purgeable <br />Hydrocarbons 10 <br />10 <br />N D N D N D N D <br />N D <br />Benzene 00050 N D <br />Toluene 00050 0 011 <br />Ethyl Benzene 00050 N D <br />Total Xylenes 00050 0 038 <br />Chromatogram Pattern Unidentified <br />Hydrocarbons <br />> C7 <br />uuainy k;oniroi uaia <br />0 016 N D <br />0 013 N D <br />ND ND <br />N D 00050 <br />ND ND ND ND <br />0 017 N D N D 00097 <br />ND <br />ND <br />ND <br />ND <br />Report Limit Multiplication Factor <br />10 1 0 1 0 <br />1 0 1 0 10 <br />Date Analyzed <br />8/25/98 8/25/98 8/25/98 <br />8/25/98 8/25/98 8/25/98 <br />Instrument Identification <br />HP -4 HP -4 HP -4 <br />HP -4 HP -4 HP -4 <br />Surrogate Recovery, % <br />86 94 92 <br />90 96 96 <br />(OC Limits = 40-140%) <br />Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br />Analytes reported as N D were not detected above the stated reporting limit <br />SEQUOIA ANALYTICAL, #1271 <br />ulianne Fegley <br />Project Manager <br />8082208 GET <2> <br />