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M(� g <br />C `-� a m b e 11 A n tI C a 1 <br />rr"en Q Counts" <br />Inc, • <br />1534 Willow Pass(R CA 94565-1701 <br />Toll Free Telephone: (87� -4262 / Fax: (925) 252-9269 <br />httpJ/www.nrxwmell.com/E-mail: tell.com <br />Chow Engineering <br />7770 Pardee Lane, Ste. 100 <br />Oakland, CA 94621-3023 <br />Client Project ID: #11R-120;CalWater Date Sampled: <br />Stockton Date Received: <br />12/15/11 <br />12/15/11 <br />Client Contact: Reuben Chow Date Extracted: 12/15/11 <br />Client.P.O.: Date Analyzed: 12/16/11 <br />Extraction Method: SW5030B <br />Volatile Organics by P&T and GC/MS (Basic Target List)* <br />Analytical Mem: SW8260B <br />Work Order: 1112484 <br />Lab ID <br />1112484-003A <br />Client ID <br />6E <br />Matrix <br />Compound <br />Concentrations <br />DF Unfit <br />Soil <br />Compound <br />Concentration " <br />DF <br />r <br />Acetone <br />ND <br />1.0 0.05 <br />tert-Am 1 methTl ether AME <br />ND <br />1.0 <br />0.005 <br />Benzene <br />ND <br />1.0 0.005 <br />Bromobenzene <br />ND <br />1.0 <br />0.005 <br />Bromochloromethane <br />ND <br />1.0 0.005 <br />Bromodichloromethane <br />ND <br />1.0 <br />0.005 <br />Bromofotm <br />ND <br />1.0 0.005 <br />Bromomethane <br />ND <br />1.0 <br />0.005 <br />2-Butanone K <br />ND <br />1.0 0.02 <br />t -Butyl alcohol A <br />ND <br />1.0 <br />0.05 <br />n -Butyl benzene <br />ND <br />1.0 0.005 <br />sec -Butyl benzene <br />ND <br />1.0 <br />0.005 <br />tert-But3d benzene <br />ND <br />1.0 0.005 <br />Carbon Disulfide <br />ND - <br />1.0 <br />0.005 <br />Carbon Tetrachloride <br />ND <br />1.0 0.005 <br />Chlorobenzene <br />ND <br />1.0 <br />0.005 <br />Chloroethane <br />ND <br />1.0 0.005 <br />Chloroform <br />ND <br />1.0 <br />0.005 <br />Chloromethane <br />ND <br />I.0 0.005 <br />2-Chlorotoluene <br />ND <br />1.0 <br />0.005 <br />4-Chlorotoluene <br />ND <br />1.0 0.005 <br />Dibromochloromethane <br />ND <br />1.0 <br />0.005 <br />i-Dibromo-3-chi r ane <br />ND <br />1.0 0.004 <br />1-Dibromoethane DB <br />ND <br />1.0 <br />0.004 <br />Dibromomethane <br />ND <br />1.0 0.005 <br />1,2 -Dichlorobenzene <br />ND <br />1.0 <br />0.005 <br />13 -Dichlorobenzene <br />ND <br />1.0 0.005 <br />14 -Dichlorobenzene <br />ND <br />1.0 <br />0.005 <br />Dichlorodifluoromethane <br />ND <br />1.0 0.005 <br />11-Dichloroethane <br />ND <br />1.0 <br />0.005 <br />1,2-Dichloroethane 12 -DCA <br />ND <br />1.0 1 0.004 <br />11-Dichloroethene <br />ND <br />1.0 <br />0.005 <br />cis-1-Dichloroethene <br />ND <br />1.0 0.005 <br />trans -1 2-Dichloroethene <br />ND <br />1.0 <br />0.005 <br />1,2-Dichloropropane <br />ND <br />1.0 0.005 <br />1 3-Dichlororo ane <br />ND <br />1.0 <br />0.005 <br />2,2-Dicbloropropane <br />ND <br />1.0 0.005 <br />I,I-Dichloropropene <br />ND <br />1.0 <br />0.005 <br />cis-13-Dichl a <br />ND <br />1.0 0.005 <br />trans-13-Dichl a <br />ND <br />1.0 <br />0.005 <br />Diiso ro1 ether IPE <br />ND <br />1.0 0.005 <br />Eth (benzene <br />ND <br />1.0 .0.005 <br />Ethyl tert-butylether TBE <br />ND <br />1.0 0.005 <br />Freon 113 <br />ND <br />1.0 <br />0.1 <br />Hexachlorobutadiene <br />ND <br />1.0 0.005 <br />Hexachloroethane <br />ND <br />1.0 <br />0.005 <br />2-Hexanone <br />ND <br />1.0 0.005 <br />Isopropylbenzene <br />ND <br />1.0 <br />0.005 <br />4 -Isopropyl toluene <br />ND <br />1.0 0.005 <br />Meth 1-t-bu 1 ether TBE <br />ND <br />1.0 <br />0.005 <br />Methylene chloride <br />ND <br />1.0 0.005 <br />4 -Meth -2- tanone I13K) <br />ND <br />1.0 <br />0.005 <br />Naphthalene <br />ND <br />1.0 0.005 <br />n -Propyl benzene <br />ND <br />1.0 <br />0.005 <br />Styrene <br />ND <br />1.0 0.005 <br />1.1 1,2 -Tetrachloroethane <br />ND1.0 <br />0.005 <br />1,1,2,2 -Tetrachloroethane <br />ND <br />1.0 0.005 <br />Tetrachloroethene <br />ND <br />1.0 <br />0.005 <br />Toluene <br />ND <br />1.0 0.005 <br />1 2 3-Trichlorobenzene <br />ND <br />1.0 <br />0.005 <br />1 4-Trichlorobenzene <br />ND <br />1.0 0.005 <br />111 -Trichloroethane <br />ND <br />1.0 <br />0.005 <br />112 -Trichloroethane <br />ND <br />1.0 0.005 <br />Trichloroethene <br />ND <br />1.0 <br />0.005 <br />Trichlorofluoromethane <br />ND <br />1.0 0.005 <br />1,2,3-Trichloropropane <br />ND <br />1.0 <br />0.005 <br />l 4-Trimeth lbenzene <br />ND <br />1.0 0.005 <br />1 1 3 5-Tiimeth lbenzene <br />ND <br />1.0 <br />0.005 <br />Vinyl Chloride <br />I ND J <br />1.0 0.005 <br />.[Mens, Total <br />ND <br />1.0 <br />0.005 <br />Surrogate <br />Recoveries (%) <br />%SSI: <br />105 <br />1 %SS2: <br />116 <br />%SS3: <br />112 <br />Comments: <br />s water and vapor samples are reported in pg/L, soil/sludge/solid samples in mg/kg, product/oil/non-aqueous liquid samples and all TCLP & SPLP extracts are <br />reported in mg/L, wipe samples in µg/wipe. <br />ND means not detected above the reporting limittmethod detection limit; N/A means analyte not applicable to this analysis; %SS = Percent Recovery of Surrogate <br />Standard; DF = Dilution Factor <br /># surrogate diluted out of range or coelutes with another peak; &) low surrogate due to matrix interference. <br />DHS ELAP Certification 1644 Angela Rydelius, Lab Manager <br />Page 10 of 21 <br />