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1 <br /> CALTECH Environmental Laboratories <br /> Z <br /> ^ ` _ 1 <br /> O _"}� ..v�v.'arS r�' .S�tc' l�fl€dt��.�t'.i i <br /> QNQC Report <br /> Method 8260B <br /> ' Matrix Water <br /> ' Date Analyzed 4122103 <br /> Units ug/L <br /> ' Perimeters LSC LCSD Spike LCS % LCSD % Limas RPD <br /> Added Ree Rec <br /> ' 1,1-Dichloroethene 53 51 50 106 102 60-140 4 <br /> Benzene 51 49 50 102 98 60-140 4 <br /> Trichloroethene 49 47 50 98 94 60-140 4 <br /> Toluene 52 50 50 104 100 60-140 4 <br /> ' Chlorobenzene 50 48 50 100 96 60-140 4 <br /> m, -X lenes 117 110 100 117 110 60-140 6 <br /> LOS Laboratory Control Standard <br /> ' LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LOS and LCSD <br /> 1 <br /> Perimeters Blank Limits RPD <br /> ' 1,1-Dtchloroethene 0 70-130 <br /> Benzene 0 70-130 <br /> ' Trichloroethene 0 70-130 <br /> Toluene 0 70-130 <br /> Chlorobenzene 0 70-130 <br /> ' m, -X lenes 0 70-130 <br /> 1 <br /> i <br />