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CALTECH Environmental Laboratories <br /> O6814 Rosecrans Avenue Pa]anlOUnt CA 90723-3146 <br /> Telephone (562) 272-2700 Fax (562) 272-2789 <br /> QA/QC Report <br /> Method 8260B <br /> Matrix Water <br /> Date Analyzed 9/3/03 <br /> Units ug/L <br /> IPerimeters LSC LCSD Spike LCS% LCSD% Limits RPD <br /> Added Rec Rec <br /> 1,1-Dichloroethane 38 39 50 76 78 60-140 2 <br /> Benzene 43 47 50 86 94 60-140 9 <br /> Trichloroethene 48 49 50 96 98 60-140 2 <br /> Toluene 46 50 50 92 100 60-140 8 <br /> Chlorobenzene 46 46 50 92 92 60-140 0 <br /> m, X lenes 117 122 100 117 122 60-140 4 <br /> LCS Laboratory Control Standard <br /> ILCSD 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, -X lenes 0 70-130 <br /> J O I AI I Y D1 )IC A I-I_D T( i <br /> [ ) C E S I OMF-R S iTI.SFA <br /> CTION <br />