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CALTECH Environmental Laboratories <br /> O C 4 D,a-cc=ar- A-enL-;; Pa'an}o tnt CA 90723-3 1 16 <br /> 'eevone (~ i f_ '%1�r i-czY �_ 62) 272-2789 <br /> QA/QC Report <br /> Method 8260B <br />' Matrix Soil <br />' Date Analyzed 8/30/02 <br /> Units ug/Kg <br />' Perimeters LSC LCSD Spike LCS % I LCSD% Limits RPD <br /> Added Rec Rec <br />' 1,1-Dichloroet!hene 51 58 50 102 116 70-130 14 <br /> Benzene 54 52 50 108 104 70-130 4 <br /> Trichloroethen 49 46 50 98 92 70-130 6 <br /> I Toluene 40 46 50 80 1 92 1 70-130 15 <br /> Chlorobenzene 46 52 50 1 92 1 104 1 70-130 13 <br /> m, -X lenes 94 110 100 94 17 1 70-130 11 <br /> LCS Raboratcry Control Standard <br /> L CSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> Perimeters Blank Limits RPD <br /> 1,1-Dichloroeti ene 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 lenes _ 0 70-130 <br /> I <br /> i <br /> T(-)Tar i v r-) ,,F)WAT1 n 10rrNTON/11,P cATNPAt Trn\1 <br />