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EPA 8260B ACCULABS, INC <br /> 1 Sample Log 23297 <br /> December 27, 2001 <br /> Sample Name LABORATORY CONTROL SAMPLE <br /> Protect Name URS Date Analyzed yz 12/20/01 <br />' Protect Number 41-15884019 00 07008 Date Received <br /> Sample Date Dilution 1 1 <br /> Extr Method EPA 5030 Sample Matrix Water <br />' QC Batch VW011220 Lab Number 23297-LCS <br /> Measured <br />' Parameter Conc Units <br /> Chlorobenzene 102 % <br /> Ethylbenzene 106 % <br />' Styrene 107 % <br /> Bromoform 115 % <br />' 1,1,2,2-Tetrachloroethane 108 <br /> 1,3-Dichlorobenzene 100 % <br /> 1,4-Dichlorobenzene 103 % <br /> M 1,2-Dichlorobenzene 102 <br /> cis-1,2-Dichloroethene 96 <br /> trans-1,2-Dichloroethene 95 % <br />' 1,1,1,2-Tetrachloroethane 114 <br /> m,p-Xylenes 102 % <br />' o-Xylene 106 % <br /> Methyl-tent-butyl-ether 110 % <br /> Dibromofluoromethane 107 % Recovery (67 - 140) <br /> Toluene-d8 124 % Recovery (62 - 135) <br /> 4-Bromofluorobenzene 99 % Recovery (58 - 131) <br /> 1,2-Dichloroethane-d4 108 % Recovery (56 - 135) <br /> PQL = Practical Quantitation Limit <br />' E= Concentration exceeded calibration range <br /> J = Estimated value Approved By -FIYA <br /> B= Parameter detected in Method Blank To ka <br /> y� <br />' >; Page 2 <br />