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1 <br /> CALTECH Environmental Laboratories <br /> • CO) _ � J _ N7, _,`F- <br /> QA/QC Report <br /> 1 <br /> Method 8260B <br />' Matnx Water <br /> Date Analyzed 117103 <br /> IUnits ug/L. <br />' Perimeters LSC LCSD Spike LCS % LCSD % Limits RPD <br /> Added Rea Rec <br />' 1,1-D,chloroethene 47 51 50 94 102 70-130 8 <br /> Benzene 50 53 50 100 106 70-130 6 <br /> Trichloroethene 50 47 50 100 94 70-130 6 <br /> Toluene 41 47 50 82 94 70-130 15 <br />' Chlorobenzene 42 41 50 84 82 70-130 2 - <br /> m, -X lenes 104 116 100 104 116 70-130 12 <br /> I <br /> LCS Laboratory Control Standard <br />' LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LLS and LCSD <br /> I <br /> Perimeters Blank Limits RPD <br /> I1,1-Dtchloroethene 0 70-130 <br /> Benzene 0 70-130 <br /> I Trichloroethene 0 70-130 <br /> Toluene 0 70-130 <br /> Chlorobenzene 0 70-130 <br /> m,p-X lenes 0 70-130 <br /> I <br /> I <br /> sir D,I t S I. A <br />