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1 <br /> CALTECH Environmental Laboratories <br />' n 6,814 Row,..i,iw, 1 ( A ')ill?3-;146 <br /> �J Te1CPl1n1)L (�02) 272-2781) <br />' <br /> QA/QC Report <br />' Method 8260E <br />' Matrix Water <br /> Date Analyzed 7116105 <br />' Date Extracted 7116106 <br />' Perimeters Conc ug/L Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 44 44 50 88 88 70-130 20 0 <br /> Benzene 49 54 1 50 98 100 70-130 20 2 <br />' Trichloroethene 51 50 50 102 100 70-130 20 2 <br /> Toluene 52 54 50 104 108 70-130 20 4 <br />' Chlorobenzene 52 55 50 104 1 110 70-130 1 20 6 <br /> m, -X lenes 104 108 100 104 108 70-130 1 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 IL 0 5 <br /> Trichloroethene ND u /L 0 5 <br /> Toluene ND u /L 06 <br /> Chlorobenzene ND u /L 0 5 <br /> m, -X lenes ND u IL 0 6 <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 IL 0 5 <br /> Eth lbenzene ND ug/L_ 0 5 <br /> o-X lene ND u IL 0 6 <br /> TCE ND ug/L 0 5 <br /> PCE ND u IL 0 5 <br /> I <br /> TOTAI 1 N I)1,1)1( M 1 1) 10 ( ll�'1ON4f R I-,Al VJ A( I ION <br />