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I <br /> CALTECH Environmental Laboratories <br /> CA gl)7 j-314(7 <br /> a (562� '7'-�1 (5:62) 272-2789 <br /> QA/QC Report <br /> Method 8260B <br />' Matrix Water <br /> Date Analyzed 7113/04 <br />' Units ug/L <br />' Perimeters LSC LCSD Spike LCS% LCSD % Limits RPD <br /> Added Rec Rec <br />' 1,1-Drcnloroethene 42 46 50 84 92 60-140 10 <br /> Benzene 48 48 50 96 96 60-140 0 <br /> Trichloroethene 46 44 50 92 88 60.140 4 <br /> Toluene 50 47 50 100 94 60-140 6 <br />' Chlorobenzene 57 55 50 114 110 60-140 4 <br /> m, -X lenes 110 106 100 110 106 60-140 1 4 <br /> LCS Laboratory Control Standard <br /> LCSD '..aboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> Perimeters Blank Limits RPD <br />' 1,1-Dichioroethene 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 /> 1 <br />' TOTALLY DLDICAFLI) TO CUSTOMER SATISFACTION <br />