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r <br /> SEQUOIA ANALYTICAL <br /> 819 Striker Avenue Suite 8 - Sacramento CA 95834 <br /> r (916) 921-9600 - FAX (916) 921 0100 <br /> RESNA Industries Client Project ID Arco #2130, Stockton Sampled Dec 30, 1991 <br /> 3164 Gold Camp Drive, Suite 200 Matrix Descript Air Received Dec 31, 1991 <br /> Rancho Cordova, CA 95670 Analysis Method EPA 5030/8015/8020 Analyzed Dec 31, 1991 <br /> Attention Eloise Frick First Samole # 112-0585 Reported Jan 3, 1992 <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/m3 mg/m3 mg/m3 mg/m3 mg/m3 <br /> 112-0585 . S-12304NR 43 000 1,500 1,200 59 120 <br /> Detection Limits- 5,000 50 50 5Q So <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 /> . required additional sample dilution detection limits for this sample have been raised <br /> SEQUOIA ANALYTICAL <br /> Michael R Giles <br /> Laboratory Director t t 205W FIES <1> <br />