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SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue • Suite LM • Concord, California 94520 <br /> (510) 686-9600 FAX (510) 686-9689 <br /> c r' trw n Client project fd: # Oi't;.00 :... :: aiiiplecJ <br /> 135 Grogan Ave., Ste A Sample Matrix: Soll Received: Jul 23, 1993:;; <br /> Merced, CA 95344 Analysis Method: EPA 5030/8015/8020 Reported: Aug 5, 1993'' <br /> I Attention- Roy Austin First Sample#: 307-1039 $1i <br /> TOTAL PURGEABLE PETROLEUM HYDROCARBONS with BTEX DISTINCTION <br /> Reporting Sample Sample Sample Sample Sample Sample <br /> Analyte Limit I.D. I.D. I.D. I.D. I.D. I.D. <br /> mg/kg 307-1039 307-1040 307-1041 307-1042 307-1043 307-1044 <br /> N-Bottom S-Bottom N-Wall E-Wall S-Wall W-Wall <br /> Purgeable <br /> Hydrocarbons 1.0 4.3 340 330 N.D. 4.7 N-D. <br /> Benzene 0.005 0.065 5.8 0.69 N.D. 0.68 N.D. <br /> Toluene 0.005 0.038 13 0.44 N.D. 0.016 N.D. <br /> Ethyl Benzene 0.005 0.14 8.9 3.4 N.D. 0.46 N.D. <br /> Total Xylenes 0.005 0.57 44 15 N.D. 1.2 N.D. <br /> Chromatogram Pattern: Gasoline Gasoline Gasoline& Gasoline <br /> Non-Gasoline <br /> Mixture <br /> (>c1o) <br /> Quality Control Data <br /> Report Limit Multiplication Factor: 1.0 20 25 1.0 1.0 1.0 <br /> Date Analyzed: 8/3/93 8/3/93 8/3/93 8/3/93 8/3/93 8/3/93 <br /> Instrument Identification: HP-5 HP-5 HP-5 HP-2 HP-2 HP-2 <br /> Surrogate Recovery, %: 95 98 95 103 104 104 <br /> (QC Limits = 70-130%) <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 <br /> �''• - � art. <br /> sten L- inst►om <br /> Protect Manager <br /> 3071039.Ml <1> <br />