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CALTECH Environmental Laboratories <br />'' _ '•�� mss!} � ..' W sic r�. E _ � .__ — L <br /> QA/QC Report <br /> 1 <br /> Method 8260B <br />' Matrix Water <br />' Date Analyzed 5121103 <br /> Units ug/L <br /> Perimeters LSC LCSD Spike LCS % LCSD% Limits RPD <br /> Added Ree Rec <br />' 1,i-Dichloro�--thene 54 54 50 108 108 60-140 0 <br /> Benzene 50 51 50 100 102 60-140 2 <br /> Trichloroethene 43 _ 45 _ 50 86 90 60-140 4 <br /> t Toluene 50 44 50 100 88 60-140 12 <br /> Chlorobenzene 46 43 50 92 86 60-140 6 <br /> m, -X lenes 102 96 100 102 96 60-140 6 <br /> LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> Perimeters Blank Limits 1 RPD <br /> ' 1,1-Dichloroethene 0 70-130 <br /> Benzene 0 70-130 <br /> ' Trichloroethene 0 70-130 <br /> Toluene 0 70-130 <br /> Chiorobenzene 0 70-130 <br /> ' m, -X lenes 0 70-130 <br /> 1 <br />