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4 ., l n iN u,...0 ti...._. - _:. .. ,.... .. e_._.._. - �.-.... .. ....n7. ..- .._moi v .._•-- - tia ..,.�. ti- -. .. � _ .. - _.. ._ _ ♦_ . .. <br /> CALTECHEnvironmental Laboratories <br /> 1 <br /> QA/QC Report <br /> 1 <br /> Method 8260B <br /> ' Matrix Water <br /> ' Date Analyzed 3/28/03 <br /> Units ug/L <br /> ' Perimeters LSC LCSD Spike LCS % LCSD% 1 Limits RPD <br /> Added Rec Rec <br /> ' 1,1-Dichloroethene 42 48 50 84 96 60-140 14 <br /> Benzene 38 40 50 76 80 60-140 4 <br /> Trichloroethene 51 53 50 102 106 60-140 4 <br /> ' Toluene 52 47 50 104 94 60-140 10 <br /> Chlorobenzene 47 46 50 1 94 92 60-140 2 <br /> m, -X ienes 88 87 100 1 88 87 60-140 1 <br /> LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> RPD 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 ienes 0 70-130 <br /> 1 <br /> T, r <br />