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' SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue 0 Suite LM * Concord, California 94520 <br /> (415) 686-9600 e FAX (415) 686-9689 <br /> Applied GeoSystems (Sacramento) Client Project ID Arco#2130-90-1/Stockton Sampled Jun 24, 1991 <br /> 4191 E Power Inn Rd Matrix Descript Soil Received Jun 25, 1991 <br /> Sacramento, CA 95826 Analysis Method EPA 5030/8015/8020 Analyzed Jun 25, 1991 <br /> Attention Eloise Frick First Sample # 106-0603 Reported Jun 27, 1991 <br /> TOTAL PETROLEUM FUEL HYDROCARBONS with BTEX DISTINCTION (EPA 8015/8020) <br /> Sample Sample Low/Medium B P Ethyl <br /> Number Description Hydrocarbons Benzene Toluene Benzene Xylenes <br /> mg/kg mg/kg mg/kg mg/kg mg/kg <br /> (ppm) (ppm) (ppm) (ppm) (ppm) <br /> 106-0603 S-15-81 2,400 10 37 21 170 <br /> r <br /> i � <br /> F <br /> Detection Limits 100 050 0.50 0 50 0 50 <br /> Low to Medium Boding Point Hydrocarbons are quantitated against a gasoline standard <br /> Analytes reported as N D were not present above the stated limit of detection Because matrix effects and/or other factors <br /> uired additional sample dilution,detection limits for this sample have been raised <br /> 46eqOUC1A ANALYTICAL <br /> 11 1 <br /> u R M �erstein <br /> Jett Manager 1060603.AP5 <t, <br />