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1 <br /> CALTECH Environmental Laboratories <br /> 1 6814 Rw5-cian5 AvrnLIL I'x,-wioiin1 CA 90721-1140 <br /> O Icl9.pl1nne (�62) 2172-2100 0 F a♦ r (12) ?72-'7,i() <br /> 1 QA/QC Report <br /> ' Method 8260B <br /> 1 Matrix Water <br /> Date Analyzed 7/19/05 <br /> Date Extracted 7119105 <br /> 1 Perimeters Conc u !L Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 43 44 50 86 88 70-130 20 2 <br /> ' Benzene 47 48 50 94 96 70-130 20 2 <br /> Trichloroethene 49 48 50 98 96 70-130 20 2 <br /> Toluene 50 51 50 100 102 70-130 20 2 <br /> Chlorobenzene 49 51 50 98 102 70-130 20 4 <br /> 1 m, -X lenes I 98 103 100 98 103 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-DichIoroethene ND u /L 1 <br /> Benzene NDRu <br /> 05 <br /> 1 Trichloroethene ND 05 <br /> Toluene ND 05 <br /> Chlorobenzene ND 05 <br /> 1 m, -X lenes ND 06 <br /> MTBE ND ug/L 1 <br /> TBA ND u IL 10 <br /> ' DIPE ND u /L 1 <br /> ETBE ND u IL 1 <br /> TAME ND u IL 1 <br /> ' 1,2-Dichloroethane ND u IL 05 <br /> EDB ND u 1L 05 <br /> Eth (benzene ND u IL 05 <br /> o-X leve ND u IL 06 <br /> 1 TCE ND u IL 0 5 <br /> PCE ND u fL 0 5 <br /> 1 <br /> i <br /> 1 l4)I'r\I l � E)1 1AAtl l) 1 () 1.,,U11)FAC [ ION <br />