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SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue e Suite LM e Concord, California 94520 <br /> (510) 686-9600 e FAX (510) 686-9689 <br /> isKaprealian Engineenng,'lnc Client Project ID Unocal#5421,7303 Pacific Ave,Stockton Sampled Nov 10, 1992 <br /> 2401 Stanwell Drive, Suite 400 Sample Descript Soil, EB3-(45) Received Nov 11, 1992 <br /> Concord, CA 94520 Analysis Method EPA 5030/8010 Analyzed Nov 18, 1992 <br /> Attention Mardo Kaprealian, P E Lab Number 211-0492 Reported Nov 25, 1992 <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 10 N D <br /> Carbon tetrachloride 50 N D <br /> Chlorobenzene 50 N D <br /> Chloroethane 10 N D <br /> 2-Chloroethylvinyl ether 10 N D <br /> Chloroform 50 N D <br /> Chloromethane 10 N D <br /> Dibromochloromethane 50 N D <br /> 1,2-Dichlorobenzene 50 N D <br /> 1,3-Dichlorobenzene 50 N D <br /> 1,4-Dichlorobenzene 50 N D <br /> 1,1-Dichloroethane 50 N D <br /> 1,2-Dichioroethane 50 N D <br /> i,i-Dichloroethene 50 N D <br /> cis-1,2-D ichloroethene 50 N D <br /> trans-1,2-Dichloroethene 50 N D <br /> 1,2-Dichloropropane so N D <br /> cis-1,3-Dichloropropene 50 N D <br /> trans-1,3-Dlchloropropene 50 N D <br /> Methylene chloride 50 N D <br /> 1,1,2,2-Tetrachloroethane 50 N D <br /> 4.4.4..r4.4i..4i....r.T................ ..4....R....................4.4.4• <br /> 1,1,1-Trichloroethane 5R0N 15 <br /> 1,1,2-Trichloroethane 50 N D <br /> Trichloroethene 50 N D <br /> Trichlorofluoromethane 50 N D <br /> Vinyl chloride 10 N D <br /> Analytes reported as N D were not present above the stated limit of detection <br /> 7s4cott QIA ANALYTICAL <br /> ieffo <br /> Project Manager 2110460 KEi <26> <br />