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680 Chesapeake Drive <br />Sequoia 444 N Wiget Lane <br />Redwood City CA 94063 <br />Walnut Creek CA 94598 <br />c650) 3649600 <br />(925) 988-9600 <br />921-9600 <br />FAX (650) 3649233 <br />FAX (925) 988-9673 <br />FAX (916) 921-0100 <br />819 Stnker Avenue Suite 8 <br />Sacramento CA 95834 <br />(916) <br />Report Limit Multiplication Factor <br />qW Analytical 1455 McDowell Blvd North Ste D <br />1551 Industrial Road <br />Petaluma CA 94954 <br />San Carlos CA 94070-4111 <br />(707) 792-1865 <br />(650) 232-9600 <br />FAX (707) 792-0342 <br />FAX (650) 232-961 Z <br />leler-Ryan - Dublin Client Project ID Chevron #9-5775, Lod, <br />Sampled <br />Jan 25-27,1999 <br />6747 Sierra Court, Suite J Sample Matrix Soil <br />Benzene <br />Received <br />Jan 29, 1999 <br />Dublin, CA 94568 Analysis Method EPA 5030/8015 Mod /8020 <br />Reported <br />Feb 10, 1999 <br />Attention Barbara Sieminsk) First Sample # 902-0056 <br />I <br />00079 <br />Toluene <br />00050 <br />TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX / MTBE <br />N D <br />Reporting Sample Sample <br />Sample Sample <br />Sample <br />Sample <br />Analyte Limit I D I.D <br />I D I D <br />I D <br />I.D <br />mg/Kg 902-0056 902-0057 <br />902-0058 902-0059 <br />902-0060 <br />902-0061 <br />MW3-64 5 MW3-11 <br />MW3-14 MW3-17 <br />MW3-21 <br />MW3-29 5 <br />Purgeable <br />Report Limit Multiplication Factor <br />Hydrocarbons <br />10 <br />N D <br />N D <br />N D <br />N D <br />20 <br />N D <br />Benzene <br />00050 <br />N D <br />00051 <br />00081 <br />00054 <br />00082 <br />00079 <br />Toluene <br />00050 <br />N D <br />N D <br />N D <br />N D <br />00055 <br />00072 <br />Ethyl Benzene <br />00050 <br />N D <br />N D <br />N D <br />N D <br />N D <br />N D <br />total Xylenes <br />00050 <br />N D <br />N D <br />N D <br />N D <br />0 019 <br />N D <br />MTBE <br />0 050 <br />N D <br />012 <br />013 <br />013 <br />010 <br />0 092 <br />Chromatogram Pattern <br />.. _ .. Gasoline - - <br />uivalily LoUntr0i uatn <br />Report Limit Multiplication Factor <br />10 <br />1 0 <br />1 0 <br />10 <br />1 0 <br />10 <br />Date Analyzed <br />2/4/99 <br />2/4/99 <br />2/4/99 <br />2/4/99 <br />2/4/99 <br />2/4/99 <br />Instrument Identification <br />HP -4 <br />HP -4 <br />HP -4 <br />HP -4 <br />HP -5 <br />HP -5 <br />Surrogate Recovery, % <br />93 <br />99 <br />92 <br />99 <br />94 <br />95 <br />(QC 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 />Ae7 <br />ufi nne Fegley <br />Iect Manager <br />9020044 GET <3> <br />