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CALTECH Environmental Laboratories <br />' O6814 Ro,ecjans A�,enue Paramount CA 90723-3 146 <br /> Telephom, (562) 272-2700 Fax (562) 272-2789 <br /> QA/QC Report <br />' Methoa 8260B <br />' Matrix Water <br /> Date Analyzed 7/16004 <br />' Units ug/L <br />' Perimeters LSC LCSD Spike LCS% LCSD % Limits RPD <br /> Added Rec Rec <br /> 1,1-acI,Ioroethene 43 46 50 86 92 60-140 7 <br />' Benzern 47 46 50 94 92 60-140 2 <br /> Trichloroethene 51 51 50 102 102 60140 0 <br /> TOluenE 46 51 50 92 102 60-140 11 <br /> Chlorobenzene 50 50 50 100 100 60-140 0 <br /> rn, -X lenes 110 112 100 110 112 60-140 2 <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-Dichloroethene O 70-130 <br /> Benzere 0 70-130 <br /> Trichloroethene 0 70-130 <br /> Toluene 0 70-130 <br /> Chlorobenzene O 70-130 <br /> m, -X lanes 0 70-130 <br />' TOTAI I Y DF DIC AI LD FO C USTOMER SATISFACTION <br />