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CALTECH Environniental Laboratories <br /> 6814 I{osLfcran.ti Av vwic. l lar mj(gjni, ('A 1)07.'.;-1 i-if, <br /> T, Icphone: (5021) .?7'--?700 1 . \: i i(i- -11--1 2]KJ <br />' QA/QC Report <br /> tMethod: 8260E <br />' Matrix: Water <br /> Date Analyzed: 10/25/05 <br />' Date Extracted: 10/25105 <br />' Perimeters Conc. u 1L Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec. RPD <br /> 1,1-Dichloroethene 43 44 50 86 88 70-130 20 2 <br />' Benzene 44 45 50 88 90 70-130 20 2 <br /> Trichloroethene 45 48 50 90 96 70-130 20 6 <br /> Toluene 45 48 50 90 96 70-130 20 6 <br /> Chlorobenzene 48 50 50 1 96 100 70-130 20 4 <br /> m,p-X lenes 1 91 1 95 100 1 91 95 70-130 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 ug/L 1 <br /> Benzene ND u IL 0.5 <br /> Trichloroethene ND u IL 0.5 <br /> Toluene ND u IL 0.5 <br /> Chlorobenzene ND u IL 0.5 <br /> m,p-X lenes ND u IL 0.6 <br /> MTBE ND u IL 1 <br /> TBA ND u /t- 10 <br /> DIPE ND u IL 1 <br /> ETRE ND 0911- 1 <br /> TAME. ND u IL 1 <br /> 1,2-Dichloroethane ND u IL 0.5 <br /> EDB _. ND u !L- =0.5= <br /> Tthylbenzene ND u /L 0.5 <br />' o-X iene ND u IL 0.6 <br /> TCE ND u IL 1 <br /> PCE ND uglL 1 <br /> TOTAITY I)l-.DI('NIT*1I) TO Ct ISTON11.:It SATISFAC"i ON <br />