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CALIFORNIA LABORATORY SERVICES 1 <br /> 08/13/04 17 03 i <br /> ENSR-Sacramento Project Former Unocal 5098, 5606C . o pp e to ' G0469 - <br /> 10411 Old Placerville Rd,Suite 210 Project Number 06940-293-100 � <br /> Project Manager Ben I Henin bur COC# 1,2 <br /> Sacramento,CA 95$27-2508 J g 8 g <br /> Volatile Organic Compounds by EPA Method 8260B <br /> 1 <br /> r _ -Reporting = <br /> Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Not <br /> MW-28(CNG0469-05)Water Sampled 07/14/04 12 20 Received 07/14/0419 10 <br /> p-lsopropyltoluene ND 050 pg/L 1 CN05517 07/15/04 07/15/04 EPA 626013 <br /> Methylene chloride ND 050 <br /> 4-Methyl-2-pentanonc ND 10 " <br /> Methyl tert-butyl ether ND 050 <br /> Naphthalene ND 050 " <br /> n-Propy I benzene ND 050 <br /> Styrene ND 050 <br /> 1,1 1,2-Tetrachloroethane ND 050 " <br /> 1,1,2,2-Tetrachloroethane ND 050 <br /> Tetrachloroethene ND 050 , <br /> Toluene 30 050 " <br /> 1,2,3-Trichlorobenzene ND 050 <br /> 1,2,4-Trichlorobenzene ND 050 •, <br /> 1,1,1-Trichloroethane ND 050 " <br /> 1,1,2-Trichloroethane ND 050 " <br /> Trichloroethene ND 050 " <br /> Trichlorofluoromethane ND 050 " <br /> 1,2,3-Trichloropropane ND 050 <br /> 1,2,-4-Trtmethylbenzene ND 0 50 " - <br /> 1,3,5-Trimethylbenzene ND 050 " <br />------Vinyl chloride= -- —ND- -- 1 0--"- - -- -- --- —" -=--- -" ----- -- -- �1 <br /> Xylenes(total) 30 10 " <br /> - - Di-isopropyl ether -------==- -- --- ND=---0 50---- <br /> Ethyl <br /> 0--Ethyl tert-butyl ether ND 050 " <br /> tert-Amyl methyl ether ND 050 " <br /> _-...-Tert-butyl alcohol_ ND ---50 <br /> Surrogate 1 2-Dichloroethane-d4 136% 66-150 ' <br /> Surrogate Toluene-& 996% 72-125 " <br /> Surrogate 4-Bromofluorobenzene 106% 73-125 _ <br /> 1 <br /> - <br /> 4W <br /> CA DOHS FLAP Accreditation/Registration Number 1233 ' <br /> 3249 Fitzgerald Road Rancho Cordova, CA 95742 www.californialab com 916-638-7301 Fax 916-638-4510 ' <br />