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t� a <br /> j SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue • Suite LM Concord, California 94520 <br />• (510) 686-9600 • FAX (510) 686-9689 <br /> Kaprealian Engineering, Inc Client Project ID Unocal/7303 Pacific Ave, Stockton Sampled Dec 30, 1991 <br /> P O Box 9% Matrix Descnpt Water Received Dec 30, 1991 <br /> Benicia, CA 94510 Analysis Method EPA 3510/8015 Extracted Jan 5, 1992 <br /> Attention Mardo Kaprealian, P E First Sample# 112-1160 Analyzed Jan 9, 1992 <br /> Reported Jan 15, 1992 <br /> TOTAL PETROLEUM FUEL HYDROCARBONS (EPA 8015) <br /> Sample Sample High B P. <br /> Number Description Hydrocarbons <br /> pg/L <br /> (ppb) <br /> 112-1160 Mw1 N D <br /> Method Detection Limits- 50 <br /> High Boding Point Hydrocarbons are quantitated against a diesel fuel standard <br /> 1 <br /> 0 <br /> SEQUOIA ANALYTICAL <br /> Belinda C Vega <br /> Laboratory Director 1121160 KEI <2> <br />