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i <br /> CALTECH Environmental Laboratories <br /> C <br /> O:j,7,8,—IL,Ph011L <br /> 11 ROSLLrans A\LnLJ Paiam�,unt ( 1 9(1721-3146 <br /> (562) 272-2700 1 ar (�62) 272-2789 <br /> QA/QC Report <br />' Method 8260B <br />' Matrix Water <br /> Date Analyzed 3/17/05 <br />' Date Extracted 3117105 <br />' Perimeters Conc u /L Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 44 45 50 88 90 70-130 20 2 <br />' Benzene 47 48 50 94 98 70-130 20 2 <br /> Trichloroethene 49 50 50 98 100 70-130 20 4 <br /> Toluene 49 51 50 98 102 70-130 20 4 <br />' Chlorobenzene 51 51 50 102 102 70-130 20 4 <br /> m, -X lenes 99 102 100 99 102 70-130 20 2 <br />' LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br />' RPD Relative Percent Difference of LCS and LCSD <br />' Perimeters Method Units Det <br /> Blank Limit <br /> 1,1-Dichloroethene ND u /L 1 <br />' Benzene ND u /L 05 <br /> Trichloroethene ND u /L 05 <br /> Toluene ND u /L 05 <br /> Chlorobenzene ND u /L 05 <br /> I m, -X lenes ND u /L 06 <br /> MTBE ND u /L 1 <br /> TBA ND u /L 10 <br />' DIPE ND u /L 1 <br /> ETBE ND u /L 1 <br /> TAME ND ug/L 1 <br />' 1,2-Dichloroethane ND u /L 05 <br /> EDB ND u /L 0 5 <br /> Eth (benzene ND u /L 0 5 <br /> I o-X lene ND u /L 0 6 <br /> TCE ND u IL 1 <br /> PCE ND u /L 1 <br /> I <br /> TOTAI LY I)hDIC Al I D IO CUSI OME R SATISFACTION <br />