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CALTECH Environmental Laboratories <br /> 1)[4 Ro Paiarncl:nt C,N 90723-3140 <br /> Fa; (552) 272-%7LRQ <br /> QA/QC Report <br /> 1 <br /> Method 8260B <br /> fMatrix Soil <br />' Date Analyzed 1/16/02 <br /> Units ug/Kg <br />' Perimeters LSC LCSD Spike LCS % LCSD % Limits RPD <br /> Added Rec Rec <br />' 1,1-Dichloroethene 41 7 477 50 83 95 70-130 16 <br /> Trichloroethene 407 415 50 81 83 70-130 25 <br /> Chlorobenzene 547 526 50 109 105 70-130 3 7 <br /> Toluene 1 384 1 40 50 1 77 80 70-130 39 <br /> Benzene 1 445 1 449 50 89 90 70-130 1 <br /> r <br /> LCS Laboratory Control Standard <br />' LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> 1 <br /> r <br /> r - <br /> r <br /> r <br /> r <br /> r <br /> r <br /> I()TAI IV T)FI-AC ATFF) FO CTlfiTnMFR BATT`7ACTT(-)N <br />