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SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue • Suite LM • Concord, California 94520 <br /> via— (510) 686-9600 • FAX (510) 686-9689 <br /> a <br /> Kaprealian Engineering, Inc Client Project ID Unocal#5421,7303 Pacific Ave,Stockton Sampled 11/9&11/10/92 <br /> 2401 Stanwell Drive, Suite 400 Sample Descrlpt Water, EB 3 Received Nov 11, 1992 <br /> Concord, CA 94520 Analysis Method EPA 5030/8010 Analyzed Nov 18, 1992 <br /> Attention Mardo Kapreahan, P E Lab Number 211-0458 Reported Nov 24, 1992 <br /> HALOGENATED VOLATILE ORGANICS (EPA 801 0) <br /> Analyte Detection Limit Sample Results <br /> Ng/L lrg/L <br /> Bromodichloromethane 050 N D <br /> Bromoform 050 N D <br /> Bromomethane 1 0 N D <br /> Carbon tetrachloride 050 N D <br /> Chlorobenzene 050 N D <br /> Chloroethane 10 N D <br /> 2-Chloroethylvinyl ether 10 N D <br /> Chloroform 050 N D <br /> Chloromethane 1 0 N D <br /> Dibromochloromethane 050 N D <br /> 1,3-Dichlorobenzene 050 N D <br /> 1,4-Dichlorobenzene 050 N D <br /> 1,2-Dichlorobenzene 050 N D <br /> 1,1-Dichloroethane 050 N D <br /> 1,2-Dichloroethane 050 N D <br /> 1,1-Dichloroethene 050 N D <br /> cis-1,2-Dichloroethene 050 N D <br /> trans-1,2-Dichloroethene 050 N D <br /> 1,2-Dlchloropropane 050 N D <br /> cis-1,3-Dichloropropene 050 N D <br /> trans-1,3-Dichloropropene 050 N D <br /> Methylene chloride 50 N D <br /> 1,1,2,2-Tetrachloroethane 050 N D <br /> Tetrachloroethene 050 N D <br /> 1,1,1-Trichloroethane 050 N D <br /> 1,1,2-Trichloroethane 050 N D <br /> Trichloroethene 050 N D <br /> Trichlorofluoromethane 050 N D <br /> Vinyl chloride 10 N D <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL <br /> Scott hieffo <br /> Project Manag 2110456 KEI <4> <br />