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A ECH Environmental Laboratories <br /> iC4 j,ll,IIL 77%s illi: 1 '�1 -��1 �,'2 <br /> QA/QC Report <br /> Method 8260E <br /> Matrix Water <br /> Date Analyzed 7118105 <br /> Date Extracted 7118105 <br /> Perimeters Conc u /L Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 48 50 50 96 100 70-130 20 4 <br /> Benzene 50 51 50 100 102 70-130 20 2 <br /> Trichloroethene 51 52 50 142 104 70-130 20 2 <br /> Toluene 1 54 55 50 108 110 70-130 20 2 <br /> Chlorobenzene 50 52 50 100 104 70-130 20 4 <br /> rn,p-Xylenes 104 111 100 104 111 70-130 1 20 7 <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 /L 1 <br /> Benzene ND u /L 05 <br /> Trichloroethene ND a /L 05 <br /> Toluene ND ug/L 05 <br /> Chlorobenzene ND u /L 05 <br /> m, -X lenes ND u /L 06 <br /> MTBE ND u /L 1 <br /> TBA ND u /L 10 <br /> DIPS ND ug/L 1 <br /> ETBE ND ug/L 1 <br /> TAME ND u /L 1 <br /> 1,2-Dichloroethane ND u /L 05 <br /> EDB ND u /L 05 <br /> FEthanol <br /> hylbenzene ND u /L 05 <br /> X lene ND u /L 06 <br /> ND u /L 50 <br /> ethanol ND u /L 100 <br /> i <br /> 1() IAf I f)r r:i( flrrr) rI(All f? '-,AlISI A( 'a JOAN <br />