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CALTECH Environmental Laboratories <br />' 6814 Rosecrans A,/enue Pas amount (-A 90723-3146 <br /> • O Telephone ff 2) 272-2700 Fa: (5 62) 272-2 7 8Q <br /> QA/QC Report <br /> 1 <br /> Method 8260B <br />' Matrix Water <br /> Date Analyzed 6/21104 <br />' Units ug/L <br />' Perimeters LCS LCSD Spike LCS % LCSD% Limits RPD <br /> Added Rec Rec <br />' 1,1-Dichloroethene 42 41 50 84 82 60-140 2 <br /> Benzene 54 52 50 108 104 60-140 4 <br /> Trichloroethene 50 43 50 100 86 60-140 14 <br /> Toluene 50 47 50 100 94 60-140 6 <br />' Chlorobenzene 52 50 50 104 100 60-140 4 <br /> m, -X lenes 110 98 100 110 98 60-140 11 <br /> LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> i <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, -Xylenes 0 70-130 <br /> 1 <br />' TOTALLY DI DIC NI FD rO CUS10MLR SATISFACTION <br />