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SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue • Suite LM • Concord, California 94520 <br /> (510) 686-9600 FAX (510) 686-9689 <br /> preaiiari)=n'gineering,`1nc "Client project 1D Unocal i8p ,5606 Pacific Ave,Stockton Sampled l Mai 20;`1992 N <br /> 2401 Stanwell Drive, Suite 400 Sample Descript- Sod, MW10- (55) Received May 22, 1992 <br /> Concord, CA 94520 Analysis Method: EPA 5030/8010 Analyzed Jun 3, 1992 <br /> Attention Mardo Kapreallan, P E Lab Number 205-1170 Reported Jun 9, 1992 r <br /> 5 nv r rrorrr v � h n s n . rr.♦ r .r v♦ ryii 44� A. { . r n r ♦ . r.� r <br /> HALOGENATED VOLATILE ORGANICS (EPA 8010) <br /> Analyte Detection Limit Sample Results <br /> N9/k9 N9/k9 <br /> Bromodichloromethane 50 N D <br /> Bromoform 50 N D <br /> Bromomethane 50 N D <br /> Carbon tetrachloride 50 N D <br /> Chlorobenzene 50 N D <br /> Chloroethane 50 N D <br /> 2-Chlomethylvinyl ether 50 N D <br /> Chloroform 50 N D <br /> Chloromethane 50 N D <br /> Dibromochloromethane 50 N D <br /> 1,2-Dichicrobenzene so N D <br /> 1,3-Dichlorobenzene 50 N D <br /> 1,4-Dichlorobenzene 50 N D <br /> 01 <br /> 1-Dichioroethane so N D <br /> ,2-Dichloroethane so N D <br /> 1,1-Dichloroethene 50 N D <br /> cis-1,2-Dichloroethene so N D <br /> trans-1,2-Dichloroethene 50 N D <br /> 1,2-Dichloropropane 50 N D <br /> cls-1,3-Dichioropropene 50 N D <br /> trans-1,3-Dichioropropene 50 N D <br /> Methylene chloride 50 N D <br /> 1,1,2,2 Tetrachloroethane 50 N D <br /> Tetrachloroethene 50 N D <br /> 1,1,1-Trichloroethane 50 N D <br /> 1,1,2-Trichloroethane 50 N D <br /> Trichloroethene 50 N D <br /> Trichlorofluoromethane 50 N D <br /> Vinyl chloride 50 N D <br /> Analytes reported as N D were not present above the stated limit of detection <br /> OEQUOIA ANALYTICAL <br /> Scott A Chleffo 2051170 KEI <3> <br /> Project Manager <br />