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CALTECH Environmental Laboratories <br /> I6814 Rosecrans Avenue Paran3oul-It CA 90723-3146 <br /> O Telephone (562) 272-2700 fax (562) 272-2789 <br /> QA/QC Report <br />' Method 8260B <br /> IMatrix Water <br /> Date Analyzed 5126/04 <br />' Units ug/L <br />' Perimeters LSC LCSD Spike LCS % LCSD % Limits RPD <br /> Added Rec Rec <br /> 1,1-D,chloroethene 43 49 50 86 98 60-140 14 <br /> Benzene 50 51 50 100 102 60-140 2 <br /> Trichloroethene 43 47 50 86 94 60-140 9 <br /> Toluene 48 49 50 96 98 60-140 2 <br /> I Chlorobenzene 46 48 50 92 96 60-140 4 <br /> m,p-X lenes 98 109 100 98 109 60-140 11 <br /> LCS Laboratory Control Standard <br /> LCSD 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 /> r <br /> i <br /> 10FALLY DE DIC-AI ED TO CUS1 OMER S,tiJISFACTION <br />