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09/07/04 13:29 <br /> ENSR-Sacramento Project: Former Unocal 5098,5606 Pacific Ave.Stockton,CA <br /> 10411 Old Placerville Rd. Suite 210 Project Number: 06940-293-100 CLS Work Order#:CNHO981 <br /> Sacramento,CA 95827-2308 Project Manager: Ben 1.Heningburg <br /> COC#:41207 <br /> DRAFT: Volatile Organic Compounds by EPA Method 8260B <br /> Reporting <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Note <br /> DRAFT:MW-1(CNH0981-01)Water Sampled:08/31/0415:20 Received:08/31/0418:30 <br /> Methyl ten-butyl ether ND 0.50 pg/L 1 CN06839 09/03/04 09/03/04 EPA 8260E <br /> Naphthalene NO 0.50 ^ <br /> n-Propylbenzene ND 0.50 ^ ^ <br /> Styrene NO 0.50 <br /> 1,1,1,2-Tetrachlorcethane ND 0.50 <br /> 1,1,2,2-Tetrachloroethane ND 0.50 ^ ^ ^ <br /> Tetrachlorcethene NO 0.50 <br /> Toluene ND 0.50 " ^ <br /> 1,2,3-Trichlorobenzene NO 0.50 <br /> 1,2,4-Trichlorobenzene ND 0.50 " ^ <br /> 1,1,1-Trichloroethane ND 0.50 " <br /> 1,1,2-Trichloroethane ND 0.50 <br /> Trichloroethene NO 0.50 ^ ^ <br /> Trichlorofluoromethane ND 0.50 ^ <br /> 1,2,3-Trichloropropane ND 0.50 ^ ^ <br /> 1,2,4-Trimethylbenzene NO 0.50 ^ <br /> 1,3,5-Trimethylbenzene NO 0.50 " ^ <br /> Vinyl chloride NO 1.0 ^ <br /> Xylenes(total) ND 1.0 <br /> Surrogate:1,2-Dlchloroethane-d4 158% 66-135 •' •• S Hj <br /> Surrogate:Toluene-d8 93.1% 72-125 •• '• „ <br /> Surrogate:4-Bromofluorobenzene 109% 73-125 ^ <br /> DRAFT:Travel Blank(CNH0981-02)Water Sampled:08/31/04 15:20 Received:08/31/04 18:30 <br /> Acetone ND 10 pg/L I CN06839 09/03/04 09/03/04 EPA$2606 <br /> Benzene ND 0.50 09/03/04 ° <br /> Bromobenzene ND 0.50 ^ <br /> Bromochloromethane ND 0.50 ^ ^ <br /> Bromodichloromethane ND 0.50 ^ ^ • <br /> Bromolmrn NO 0.50 ^ <br /> Bromomethane ND 1.0 " 09/03/04 " <br /> 2-Butanone NO 10 09/03/04 " <br /> n-Butylbenzene NO 0.50 " ^ <br /> sec-Butylbenzene ND 0.50 " ^ P. <br /> tert-Butylbenzene NO 0.50 <br /> Carbon tetrachloride ND 0.50 ' <br /> Chlorobenzene NO 0.50 • <br /> Chloroethane ND 0.50 " • <br /> Chloroform 2.1 0.50 ^ <br /> Chloromethane NO 1.0 P. • <br /> o-Chlorotoluene ND 0.50 1. 11 ^ P. <br /> p-Chlorotoluene ND 0.50 " P. P. 11 <br /> Dibromochloromethane ND 0.50 P. <br /> 1,2-Dibromo-3-chloropropane NO 1.0 ^ • <br /> 1,2-Dibromoethane(EDB) ND 0.50 <br /> Dibromomethane ND 0.50 " P. <br /> 1,2-Dichlorobenzene ND 0.50 <br /> CA DOHS ELAP Accreditation/Regismation Number 1233 <br />