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1 <br /> CALTECH Environmental Laboratories <br /> • 68l4 Rosccmns Ar,enut I'aw mount C A x)(17?; Ii-10 <br /> Telrplione (5621272-2700 Fri\ (-)G?) '7'-2181) <br />' QA/QC Report <br /> Method 8260E <br />' Matrix Water <br /> Date Analyzed 9114105 <br />' Date Extracted 9114105 <br />' Perimeters Conc u lL Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 46 48 50 92 98 70-130 20 6 <br />' Benzene 50 52 50 100 104 70-130 20 4 <br /> Trichloroethene 55 58 50 110 116 70-130 20 4 <br /> Toluene 57 60 1 50 1 114 120 70-130 20 6 <br />' Chlorobenzene 48 50 1 50 1 96 100 70-130 20 4 <br /> m, -X lenes 119 124 100 1 119 124 70-130 20 5 <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 IL 05 <br /> Trichloroethene ND u IL 05 <br /> Toluene ND ug/L 0 5 <br /> Chlorobenzene ND u IL 0 5 <br /> m,p-X lenes ND u IL 06 <br /> MTBE ND uglL 1 <br /> TBA ND u IL 10 <br /> DIPE ND u IL 1 <br /> ETBE ND u IL 1 <br /> TAME ND u IL 1 <br /> 1,2-Dichloroethane ND u /L 0 5 <br /> EDB ND u IL 05 <br /> Eth lbenzene ND u IL 0 5 <br />' o-X lene ND u IL 06 <br /> TCE ND u IL 0 5 <br /> PCE ND u IL 0 5 <br /> 10IAI, I Y DI I)I( Al-1 I) 1() C t 'IN lt)N11 Ik I Al ISI-A(A ION <br />