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1 <br /> CALTECH Environmental Laboratories <br /> G,> 1v,nu- --s,am-um A )0723-3146 <br /> 1362' 272-2760 F,-a X5621 272-278 <br /> 1 <br /> QA/QC Report <br /> Method 8260B <br /> ' Matrix Water <br /> ' Date Analyzed 2122104 <br /> Units ug/L <br /> ' Perimeters LSC LCSD SPike LCS% LCSD% Limits RPD <br /> Added Rec Rec <br /> ' 1,1-Dichloroethene 44 48 50 88 96 60-140 9 <br /> Benzene 54 51 50 108 102 60-140 6 <br /> Trichloroethene 48 45 50 96 90 60-140 6 <br /> ' Toluene 48 43 50 96 86 60-140 10 <br /> Chlorobenzene 50 46 50 100 92 60-140 8 <br /> m, -X lenes 98 89 100 98 89 60-140 9 <br /> LCS Laboratory Control Standard <br /> ' LCSD Laboratory Control Standard Duplicate <br /> BPD Relative Percent Difference of LCS and LCSD <br /> ' Perimeters Blank Limits RPD <br /> 1,1-Dichloroethene 0 70-130 <br /> Benzene 0 70-130 <br /> ' Trichloroethene 0 70-130 <br /> Toluene 0 70-130 <br /> Chlorobenzene 0 70-130 <br /> ' m,p-X lenes 0 70-130 <br /> 1 <br /> I OTAf f V T)FT)IC Al 1 T) TO C-I I�TOMPR I�ATIQFACTfON <br />