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r <br /> A� <br /> ECH Environmental Laboratories <br /> (0) 681-1 Rusecians AVORIC 1',11,1111 ,un( C /% 90721-1146 <br /> 1eleph{site (562) 2-12-2700 Fa (562) 272-2789 <br /> QA/QC Report <br /> Method 82608 <br /> Matrix Water <br /> Date Analyzed 12/17/05 <br /> Date Extracted 12/17/05 <br /> Perimeters Conc ug1L Spike Recove % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 44 46 50 88 92 70-130 20 4 <br /> Benzene 47 49 50 94 98 70-130 20 4 <br /> Trichloroethene 45 47 50 90 94 70-130 20 4 <br /> Toluene 45 48 50 90 96 70-130 20 6 <br /> Chlorobenzene 49 51 5098 102 70-130 20 4 <br /> m, -X lenes 96 102 100 96 102 70-130 1 20 6 <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 fL 1 <br /> Benzene ND u /L 0 5 <br /> Trichloroethene ND u /L 0 5 <br /> Toluene ND u /L 0 5 <br /> Chlorobenzene ND u /L 0 5 <br /> m,p-X lenes ND u /L 0 6 <br /> MTBE ND u /L 1 <br /> TBA ND u /L 10 <br /> DIPE ND u /L 1 <br /> ETBE ND u /L 1 <br /> TAME ND u /L 1 <br /> 1,2-Dichloroethane ND ug/L 0 5 <br /> EDB ND u /L 0 5 <br /> Eth (benzene ND u /L 0 5 <br /> o-X lene ND u /L 0 6 <br /> Ethanol ND u /L 50 <br /> . Methanol ND u /L 100 <br /> To IALLY 1 EDI( Al 1-1) TO ! IS"I()'1 FR SATISFACTION <br />