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CALTECH Environmental Laboratories <br /> O <br /> 581ARGecrars A lenue P aran)aL4nt C % 9972�-J 14b <br /> c552`, 272-2-00 ra-c }562) 272-2789 <br /> QA/QC Report <br /> Method 8260B <br /> Matrix Water <br /> Date Analyzed 1/11102 <br /> Units ug/L <br /> Perimeters LSC LCSD Spike LCS % LCSD% Limits RPD <br /> Added Rec Rec <br /> 1,1-Dichloroethene 483 478 50 97 96 70-130 1 <br /> Trichloroethene 509 534 50 102 107 70-130 49 <br /> Chlorobenzene 1 528 495 1 50 1 106 99 1 70-130 66 <br /> Toluene 457 48 50 1 91 96 70-130 55 <br /> Benzene 46 7 48 2 50 93 96 70-130 32 <br /> LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> i <br />