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+S <br /> } <br /> SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue • Suite LM Concord, California 94520 <br /> (510) 686-9600 FAX (510) 686-9689 <br /> Kapreallan Engineering, Inc V Client:Project ID Unocal, 7303 Pacrfic Ave, Stockton Sampled Jun 22, 1992 <br /> 2401 Stanwell Drnre, Suite 400 Matrix Descnpt Water Received Jun 23, 1992" <br /> Concord, CA 94520 Analysis Method EPA 5030/8015/8020 Analyzed Jun 25, 1992 , <br /> Attention Mardo Kapreallan, P E First Sample # 206-1093 Reported Jul 7, 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 /> Ng/L Fig/L ug/L ug/L Ng/L <br /> (ppb) (ppb) (ppb) (ppb) (ppb) <br /> 206-1093 MW-1 NO NO N D ND NO <br /> 206-1094 MW-2 N D NO ND NO NO <br /> 206-1095 MW-3 ND NO ND N D N D <br /> 206-1096 MW-4 NO NO ND N D N D <br /> Method Detection Limits. 50 030 030 030 030 <br /> Low to Medium Boiling Paint Hydrocarbons are quantitated against a gasoline standard <br /> • SEQUOIA ANALYTICAL <br /> WSctteffo <br /> Project Manager 2061093 KEI <>> <br />