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CALTECH Environmental Laboratories <br /> O6814 Rosecrans Avenue. Paramount. CA 90723-3146 <br /> Telephone: (562) 272-2700 Fat: (562) 272-2789 <br /> ' QA/QC Report <br /> ' Method: 82608 <br /> ' Matrix: Water <br /> Date Analyzed: 512105 <br /> ' Date Extracted: 512105 <br /> ' Perimeters Conc. ug/L Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec. RPD <br /> 1,1-Dichloroethene 44 42 50 88 84 70-130 20 4 <br /> Benzene 45 47 50 90 94 70-130 20 4 <br /> Trichloroethene 46 45 50 92 90 70-130 20 2 <br /> Toluene 44 43 50 88 86 70-130 20 2 <br /> Chlorobenzene 47 45 50 94 90 70-130 20 4 <br /> m,p-X enes 89 84 100 89 84 70-130 1 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 ug/L 1 <br /> Benzene ND ug/L 0.5 <br /> Trichloroethene ND u IL 0.5 <br /> Toluene ND u IL 0.5 <br /> Chlorobenzene ND uglL 0.5 <br />' m,p-Xylenes ND uglL 0.6 <br /> MTBE ND u IL 1 <br /> TBA ND u IL 10 <br />' DIPE ND uglL 1 <br /> ETRE ND uglL 1 <br /> TAME ND u IL 1 <br /> 1,2-Dichloroethane ND uglL 0.5 <br /> EDB ND = uglL-_- .._ 0.5 = -- <br /> Eth (benzene ND u IL 0.5 <br /> o-X lene ND ug/L 0.6 <br /> TCE ND ug/L 1 <br /> PCE ND u IL 1 <br /> TOTALLY DEDICATED TO CUSTOMER SATISFACTION <br />