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CALTECH.ECH Environmental Laboratories <br /> ' <br /> 0814 RowL'mn>, ,1x.n.ic_ I'arunmanu. (_A t7117�_ ;I4(+ <br /> t�F,+ .1 '/'-'P84 <br /> QA/QC Report <br /> Method: 8260B <br /> Matrix: Water <br /> Date Analyzed: 2/13/07 <br /> Date Extracted: 2/13/07 <br /> Perimeters Conc. ug/L_ Spike Recover % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec. RPD <br /> 1,1-Dichloroethene 42 44 50 84 88 70-130 1 20 4 <br /> Benzene 47 50 50 94 100 70-130 20 6 <br /> Trichloroethene 44 45 50 88 90 70-130 20 2 <br /> Toluene 45 46 50 90 92 70-130 20 2 <br /> Chlorobenzene 42 44 50 84 88 70-130 20 4 <br /> m, -X lenes 87 91 1 100 87 91 70-130 20 4 <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 /t. 0.5 <br /> Trichloroethene ND u /L 0.5 <br /> Toluene ND u /L 0.5 <br /> Chlorobenzene ND u /L 0.5 <br /> m, -X lentis ND u /L 0.6 <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 u /L 1 <br /> 1,2-Dichloroethane ND u /L 0.5 <br /> EDB ND u /L 0.5 <br /> Ethylbenzene ND u /L 0.5 <br /> o-X lene ND u /L 0.6 <br /> TCE ND u /L 1 <br /> PCE ND u /L 1 <br /> -rrvrn t i t,, ni.t)tr tiATI tP:1("I'1ON <br />