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CALTECH Environmental Laboratories <br />' b814 Rosecrans Avenue Paramount CA 90723-3146 <br /> �clephone (562) '272-2700 FaN (562) 272-2789 <br />' <br /> QA/QC Report <br />' Method 8260B <br />' Matrix Water <br /> Date Analyzed 614105 <br />' Date Extracted 614105 <br />' Perimeters Conc uglL Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 42 41 50 84 82 70-130 20 2 <br />' Benzene 45 47 50 90 94 70-130 20 4 <br /> Trichloroethene 50 52 50 100 104 70-130 20 4 <br /> Toluene 49 52 50 98 104 70-130 20 6 <br />' Chlorobenzene 49 53 50 98 106 70-130 1 20 8 <br /> m,p-Xylenes 105 112 100 105 1 112 70-130 20 7 <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 ug/L 1 <br />' Benzene ND ug/L 0 5 <br /> Trichloroethene ND u /L 0 5 <br /> Toluene ND ug/L 0 5 <br /> Chlorobenzene ND ug/L 0 5 <br />' m,p-Xylenes N❑ u /L 0 6 <br /> MTBE ND u /L 1 <br /> TBA ND ug/L 10 — - <br />' DIPE ND ug/L 1 <br /> ETBE ND u /L 1 <br /> TAME ND ug/L 1 <br />' 1,2-Dichloroethane ND ug/L___ 0 5 <br /> EDB ND u /L 0 5 <br /> Eth (benzene ND u /L 0 5 <br /> o-X lene ND ug/L 0 6 <br />' TCE ND ug/L 1 <br /> PCE ND ug/L 1 <br />' TO1ALLY DE[)I(ATI_D TO CUSTONIER SATISFACTION <br />