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SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue • Suite LM • Concord, California 94520 <br /> (510) 686-9600 e FAX (510) 686-9689 <br /> J <br /> Kaprealian Engineering, Inc Client Project ID Unocal#5421,7303 Pacific Ave, Stockton Sampled Nov 9, 1992 <br /> 2401 Stanwell Drive, Surte 400 Sample Descript Sod, EB4-(10) Received Nov 11, 1992 <br /> Concord, CA 94520 Analysis Method EPA 5030/8010 Analyzed Nov 16, 1992 <br /> Attention Mardo Kapreallan, P E Lab Number 211-0497 Reported Nov 25, 1992 <br /> HALOGENATED VOLATILE ORGANICS (EPA 8010) <br /> Analyte Detection Limit Sample Results <br /> jig/kg p9/kg <br /> Bromodichloromethane 60 N D <br /> Bromoform 50 N D <br /> Bromomethane 10 N D <br /> Carbon tetrachloride 50 N D <br /> Chiorobenzene 50 N D <br /> Chloroethane 10 N D <br /> 2-Chloroethyivinyl ether 10 N D <br /> Chloroform 50 N D <br /> Chloromethane 10 N D <br /> D i bromochl orom ethane so N D <br /> 1,2-Dichlorobenzene 50 N D <br /> 1,3-Dtchforo benzene 50 N D <br /> 1,4-Dichlorobenzene 50 N D <br /> 1,1-Dtchloroethane 50 N D <br /> 1,2-Dichloroethane so N D <br /> 1,1-Dichloroethene 50 N D <br /> cis-1,2-Dichloroethene 50 N D <br /> trans-l,2-Dtchloroethene 50 N D <br /> 1,2-Dichloropropane 50 N D <br /> cis-1,3-Dichloropropene 50 N D <br /> trans-1,3-Dichloropropene 50 N D <br /> Methylene chloride 50 N D <br /> 1,1,2,2-Tetrachloroethane 50 N D <br /> 1,1,1- nc oroet ane 5r0 "- <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 /> .SEQUOIA ANALYTICAL <br /> 6 <br /> S tt A Chle o <br /> Project Manager 2110460 KED <31> <br />