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i <br /> CALTECH Environmental Laboratories <br /> I68 14 Ro,eLlclns Avenue l'al tinioun[ ( A Q0723-3146 <br /> Telephone (562) 272-2700 1 6?) 272'-278'1 <br /> QA/QC Report <br /> Method 82603 <br /> IMatrix Water <br /> Date Analyzed 917105 <br /> Date Extracted 917105 <br /> Perimeters Conc u /L Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 44 45 50 88 90 70-130 20 2 <br /> Benzene 47 48 50 94 96 70-130 20 2 <br /> Trichloroethene 46 47 50 1 92 94 70-130 20 2 <br /> Toluene 49 51 50 98 102 70-130 20 4 <br /> Chlorobenzene 45 47 50 90 1 94 70-130 1 20 4 <br /> rn,p-X lenes 93 t 1 11 100 93 1 101 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 />' PerEmeters Method Units Det <br /> Blank Limit <br /> 1,1-Dlchloroethene ND u /L 1 <br /> Benzene ND a /L 0 5 <br />' Trichloroethene ND u /L 0 5 <br /> Toluene ND u /L 05 <br /> Chlorobenzene ND u /L 0 5 <br />' m, -X lenes ND u /L 0 6 <br /> MTBE ND u /L 1 <br /> TBA ND u IL 10 <br />' DIPE N❑ u /L 1 <br /> ETBE ND u /L 1 <br /> TAME ND u /L 1 <br />' 1,2-Dichloroethane ND u /L 0 5 <br /> EDB ND u /L 05 <br /> Ethylbenzene ND u /L 0 5 <br /> o-Xylene ND u /L 0 6 <br />' TCE ND ug/L 0 5 <br /> PCE ND u /L 0 5 <br />' F0 [Al [ DI-1)1c A[ 1 1) To ( t I0MI R SAI 1Y A( fI ION <br />