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c <br /> SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue a Suite LM • Concord, California 94520 <br /> (415) 686-9600 0 FAX (415) 686-9689 <br /> Kaprealian Engineering, Inc Client Project ID Unocal,7303 Pacific Ave,Stockton Sampled Oct 26, 1990 <br /> P O Box 996 Sample Descript Water, MW-1 Received Oct 29, 1990 <br /> Benicia, CA 94510 Analysis Method EPA 5030/8010 Analyzed Nov 5, 1990 <br /> Attention Mardo Kaprealian, P E Lab Number 010-0732 E-F Reported Nov 7, 1990 <br /> HALOGENATED VOLATILE ORGANICS (EPA 8010) <br /> Analyte Detection Limit Sample Results <br /> jug/L Ng/L <br /> Bromodlchloromethane 10 N D <br /> Bromoform 10 N D <br /> Bromomethane 10 N D <br /> Carbon tetrachloride 10 N D <br /> Chlo:obenzene...»..»».a».....a»......»..»»...a.......a».....» 1.0 ........................a.a .,a».a,. 2.3 <br /> Chloroethane 50 N D <br /> 2-Chloroethylvmyl ether 10 N D <br /> Chloroform 050 N D <br /> Chloromethane 050 N D <br /> Dibromochloromethane 050 N D <br /> roen <br /> 1,2-Dlchlozerte..>...Y...M . ...... .....................(...w. 2.0 ♦?.4 <br /> 0;13-Dichlorobenzene 20 ND <br /> Dichlorobenzene 20 N D <br /> -Dichloroethane 0 50 N D <br /> 1,2-Dichloroethane 050 N D <br /> 1,1-Dichloroethene 10 N D <br /> Total 1,2-Dichloroethene 10 N D <br /> 1,2-Dichloropropane 050 N D <br /> cis-1,3-Dichloropropene 50 N D <br /> trans-l,3-Dichloropropene 50 N D <br /> Methylene chloride 20 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 10 N D <br /> Vinyl chloride 20 N D <br /> Analytes reported as N D were not present above the stated limit of detecLon <br /> 0 <br /> SEQUOIA ANALYTICAL <br /> bA4 <br /> - <br /> eg <br /> Laboratory Director 100732 KEI <4> <br />