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CALTECH Environmental Laboratories <br />' 6$I4 Rowcran,, Avenuc Paleniotiol C A 90723-1146 <br /> Telephone (562) 272-2700 fi-, (562) 272-2789 <br />' QA/QC o <br /> Re rt <br /> P <br /> Method 8260B <br />' Matrix Water <br /> Date Analyzed 7125105 <br />' Date Extracted 7125105 <br />' Perimeters Conc uglL Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> M-Dichloroethene 45 46 50 90 92 70-130 20 2 <br />' Benzene 48 49 50 96 98 70-130 20 2 <br /> Trichloroethene 47 49 50 94 98 70-130 20 4 <br /> Toluene 48 50 50 96 100 70-130 20 4 <br />' Chlorobenzene 45 48 50 90 1 96 70-130 1 20 6 <br /> m, -X lenes 91 94 100 91 1 94 70-130 1 20 3 <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 05 <br /> Toluene ND u IL 06 <br />' Chlorobenzene ND ug/L. 0 5 <br /> m, -X lenes ND u /L 06 <br /> MTBE ND u /L 1 <br /> TBA ND u IL 10 <br /> DIPS ND a /L 1 <br /> ETBE ND u IL 1 <br /> TAME ND u /L 1 <br /> 1,2-Dichloroethane ND u /L 0 5 <br /> EDB ND u IL 0 5 <br /> Eth (benzene ND ug/L. 0 5 <br /> o-Xylene ND ug/L 0 6 <br /> Ethanol ND ug/L 50 <br /> Methanol ND u IL 100 <br /> FOTALLY DI DIC AITI) II()MFRSAIISFAkCIfON <br />