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CALTECH Environmental Laboratories <br />' 6814 Rosecrans Avenue Pai amount CA 90723-3 146 <br /> • O Telephone (562) 272-2700 Fa\ (562) 272-2789 <br />' <br /> QA/QC Report <br />' Method 8260E <br />' Matrix Water <br /> Date Analyzed 8110105 <br />' Date Extracted 8110105 <br />' Perimeters Conc ug/L Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 47 47 50 94 94 70-130 20 0 <br />' Benzene 53 52 50 106 104 70-130 20 2 <br /> Trichloroethene 55 53 50 110 106 70-130 20 4 <br /> Toluene 1 52 50 50 104 100 1 70-130 20 4 <br />' Chlorobenzene 1 48 48 50 96 96 1 70-130 1 20 0 <br /> m,p-Xylenes 1 109 105 100 109 1 105 1 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 /> I Perimeters Method Units Det <br /> Blank Limit <br /> 1,1-Dichloroethene ND u IL 1 <br /> Benzene ND ug/L 05 <br /> Trichloroethene ND ug/L 05 <br /> Toluene ND ug/L 05 <br /> Chlorobenzene ND u IL 0 5 <br /> m,p-Xylenes ND ug/L_ 06 <br /> MTBE ND ug/L 1 <br /> TBA ND ug/L 10 <br />' DIPE ND u /L 1 <br /> ETBE ND ug/L 1 <br /> TAME ND u /L 1 <br /> 1,2-Dichloroethane ND ug/L 0 5 <br /> EDB ND ug/L 0 5 <br /> Ethylbenzene ND ug/L 0 5 <br /> I o-Xylene ND ug/L 06 <br /> TCE ND ug/L 1 <br /> PCE ND u IL 1 � <br /> I <br /> TOTALLY DEDICArEt) ro CUS-I'OMi--R SATISFAC [ON <br />