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CALTECH Environmental Laboratories <br /> O 6814 Ro-c-rans A Jt�'3L,e P, idTi10UTl' r A fli � J <br /> ,S62) 272-2700 " 1 <br /> QA/QC Report <br /> I <br /> Method 8260B <br />' Matrix Water <br /> Date Analyzed 5116/03 <br />' Units ug/L <br />' Perimeters LSC LCSD Spike LCS % LCSD % Limits RPD <br /> Added Rec Rec <br /> 1,1-Dichloroethene 47 49 50 94 98 60-140 4 <br />' Benzene 47 49 50 94 98 60-140 4 <br /> Trichiaroethene 55 54 50 110 108 60-140 2 <br /> Toluene 48 48 50 96 96 60-140 0 <br />' Chlorobenzene 46 50 50 92 100 60-140 8 <br /> m, -X ienes 86 94 100 86 94 60-140 9 <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 r 0 70-130 <br /> Toluene 0 70-130 <br /> Chlorobenzene 0 70-130 <br />' m, -Xylenes 0 70-130 <br /> t0TAL I DLDICAI D C Li�—16C, <br />