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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,5606 Pacific Ave,Stockton Sampled Dec 30, 1992 <br /> 2401 Stanwell Drive, Suite 400 Sample Descript Water, MW 10 Received Dec 30, 1992 <br /> Concord, CA 94520 Analysis Method EPA 5030/8010 Analyzed Jan 7, 1993 <br /> Attention Mardo Kaprealian, P E Lab Number 212-1175 Reported Jan 12, 1993 <br /> HALOGENATED VOLATILE ORGANICS (EPA 8010) <br /> Analyte Detection Limit Sample Results <br /> Ng/L !19/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 1 0 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-Dichloroe�thane 050/� ND <br /> ��" �iJCI rieai . Ji....i J..r•x.+•........a.•.i• <br /> 0a60 .J.J.J.J.JiJiJiliJ.J.J.J.w.J......... 5.2 <br /> 1,1-Dichloroethene 050 <br /> cis-1,2-Dichloroethene 050 N D <br /> trans-l,2-Dichloroethene 050 N D <br /> 1,2-Dichl crop ropane 050 N D <br /> cis-1,3-Dichlcrop ropene 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 1 0 N D <br /> Analytes reported as N D were not present above the stated limit of detection <br /> WEQU IAANALYTICAL <br /> r <br /> Scott A Ch effo <br /> Project Manager 2121175 KEI 42> <br />