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rr r r r r. r a■� r r �• •• <br /> Calibration V9013 icatlon • <br /> EPA Method <br /> Client ATC Associates, Inc Matrix water <br /> Project EZ Serve#100966 Units ug/L <br /> EPA 8260 <br /> Sample Name Daily Calibration Verification (-20 to +20%) <br /> Compound Amount Found Percent Diff Pass <br /> Tetrachloroethene 42 -16 yes <br /> Dibromochloro methane 35 -29 no <br /> Chlorobenzene 44 -11 yes <br /> Ethylbenzene CCC 43 -13 yes yes <br /> 1,1,1,2-Tetrachloroethane 41 -18 yes <br /> m,p-Xylene 88 -12 yes <br /> o-Xylene 44 -13 yes <br /> Styrene 44 -13 yes <br /> Bromoform 34 -33 no <br /> lsopropylbenzene 54 8 yes <br /> 1,1,2,2-Tetrachloroethane 37 -26 no <br /> 1,2,3-Trichloropropane 38 -25 no <br /> n-propylbenzene 55 10 yes <br /> Bromobenzene 49 -2 yes <br /> 1,3,5-Tnmethylbenzene 54 8 yes <br /> 2-Chlorotoluene 52 4 yes <br /> 4-Chlorotoluene 52 5 yes <br /> tert-Butylbenzene 52 4 yes <br /> 1,2,4-Tnmethylbenzene 49 -2 yes <br /> sec-Butylbenzene 50 1 yes <br /> p-Isopropyltoluene 51 3 yes <br /> 1,3-Dichlorobenzene 45 -10 yes <br /> 1,4-Dichlorobenzene 46 -8 yes <br /> n-Butylbenzene 49 -2 yes <br /> 1,2-Dichlorobenzene 43 -15 yes <br /> 1,2-Dibromo-3-chloropropane 27 -47 no <br /> 1,2,4-Tnchlorobenzene 26 -48 no <br /> Hexachlorobutadiene 35 -30 no <br /> Naphthalene 12 -76 —no <br /> 1,2,3-Tnchlorobenzene < 10 -80 no <br /> Surrogates Spiked QC Limits(% Rec) SUMMATION <br /> DBFM 50 ng 75-125 90 CCC compounds pass the 8260E criteria <br /> 1,2-DCA-d4 50 ng 62-139 87 <br /> Toluene - d8 50 ng 75-125 98 <br /> 1,4-BFB 50 ng 75-125 93 CALIBRATION VERIFIED <br /> ATCO20102-31 Page 11 of 12 <br />