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AL ECH Environmental Laboratories <br /> r 6814 KoseL-: im, AN -MIL R11,11nounl ( \ 907?1-31-10 <br /> • `tom _ Telephom- (50'_) _'72-2700 1 tt\ (�62) 272-2781) <br /> QA/QC Report <br /> Method 8260B <br /> Matrix Water <br /> Date Analyzed 10/19/05 <br /> Date Extracted 10/19/05 <br /> Perimeters Conc u IL Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 42 44 50 84 88 70-130 20 4 <br /> Benzene 45 45 50 90 90 70-130 20 0 <br /> Trichloroethene 44 42 50 88 84 70-130 20 4 <br /> Toluene 48 46 50 96 92 70-130 20 4 <br /> Chlorobenzene 46 44 50 92 88 70-130 20 4 <br /> m,p-K lenes 87 81 100 87 81 70-130 20 6 <br /> • LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> Perimeters Method Units Det <br /> Blank Limit <br /> 1,1-Dichloroethene ND u IL 1 <br /> Benzene ND u IL 05 <br /> Trichloroethene ND u IL 0 5 <br /> Toluene ND a 1L 0 5 <br /> Chlorobenzene ND u /L 0 5 <br /> rn,P-Xyjenes ND u IL 0 6 <br /> MTBE ND ug/L. 1 <br /> TBA ND u IL 10 <br /> DIPS ND u 1L 1 <br /> ETBE ND u IL 1 <br /> TAME ND u L 1 <br /> 1,2-Dichloroethane ND u /L 0 5 <br /> EDB ND u / 0 5 <br /> Ethylbenzene ND ug/L. 0 5 <br /> o-X lene ND u IL 0 6 <br /> Ethanol ND ug/L 50 <br /> . Methanol ND u IL 1000 <br /> 101 f51 1C`7 ION <br />