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SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue • Suite LM a Concord, California 94520 <br /> (510) 686-9600 FAX (510) 686-9689 <br /> *n++Y�NO.v xnt4n,. r v+n v v �t, x+v.v.wv, r Cv S,rn xnv vv r„ {n ry at}ry r , 4 r <br /> oia Asaociaies` ` r "CllenrF�rojecf CD "'Arco#2i3�, Stpc�iton Sampled Aug fib, logs <br /> 1855 Gateway Blvd , Ste 770 Sample Matrix Soil Received Aug 20, 1993, <br /> Concord, CA 94520 Analysis Method EPA 5030/8015/8020 Reported Sep 2, 1993 r <br /> Attention Paul Supple First Sample# 308-0813 <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br />' Reporting Sample Sample <br /> Analyte limit I.D. I D. <br /> mg/kg 308-0813 308-0814 <br />' T4A T4B <br /> Purgeable <br />' Hydrocarbons 10 2,200 18 <br /> Benzene 0 005 2 7 021 <br /> Toluene 0 005 2 9 N D <br /> Ethyl Benzene 0 005 N D N D <br /> Total Xylenes 0 005 31 0 029 <br />' Chromatogram Pattern Gasoline Discrete <br /> Peak <br /> (<06) <br /> 1 <br /> Cluality Control Data <br /> Report Limit Multiplication Factor 250 1 0 <br /> Date Analyzed 9/1/93 8/31/93 <br /> Instrument Identification HP-4 HP-2 <br /> Surrogate Recovery, % 92 104 <br /> (QC Limits = 70-130%) <br /> 1 Purgeable Hydrocarbons are quantitated against a fresh gasoline standard <br /> Analytes reported as N D were not detected above the stated reporting limit <br /> EQUOIA AN YTICAL <br /> Kenneth KF Lee <br /> Laboratory Director <br />' 3080807 ROU <2> <br />