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CALTECH Environmental Laboratories <br /> ;r`f <br /> (18 14 RoSLLFAW, A%LTIUL lIai Yiit)LIII[ ( A 90721-3146 <br /> • �� ILlc:p11011c (iO2) 272-2700 (562) 272-278O <br /> QA/QC Report <br /> Method 82608 <br /> Matrix Water <br /> Date Analyzed 10/21/05 <br /> Date Extracted 10/21/05 <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 47 49 50 94 98 70-130 20 4 <br /> Trichloroethene 50 52 50 100 104 70-130 20 4 <br /> Toluene 48 51 50 1 96 102 70-130 20 6 <br /> Chlorobenzene 46 47 50 1 92 94 70-130 20 2 <br /> m, -X lenes 97 104 100 1 97 1 104 70-130 1 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 u /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 /L 0 5 <br /> m, -X lenes ND a IL 0 6 <br /> MTBE ND u IL 1 <br /> TBA ND u IL 10 <br /> DIPE ND u IL 1 <br /> ETBE ND u L 1 <br /> TAME ND ugJL 1 <br /> 1,2-Dichloroethane ND u IL 0 5 <br /> EDB ND ug/L 0 5 <br /> Eth lbenzene ND u IL 0 5 <br /> o-X lene ND u IL 0 6 <br /> Ethanol ND u IL 50 <br /> Methanol ND u IL 1000 <br /> l()1 1I Il DI 1)I( AI1 1) 11 ()\,Ii R '-,AIIINI IiON <br />