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CALTECH Environmental Laboratories <br /> o6814 Rosecrans Avenuc. �aranio,'ini, is y 72 14 6 <br /> Telephone: (562) 2 72-2 .0 z:3x: t56,) _, 27i <br /> i <br /> QA/QC Report <br /> Method: 8260E <br /> Matrix: Water <br /> Date Analyzed: 12/13/01 <br /> Units: ug/L <br /> ' Perimeters LSC LCSD Spike LCS% LCSD % Limits RPD <br /> Added Rec. Rec. <br /> ' 1,1-Dichloroethene 52.6 52.4 50 105 105 70-130 0 <br /> Trichloroethene 54.8 57.7 50 110 115 70-130 4.5 <br /> Chiorobenzene 57.3 56.3 50 115 113 70-130 1.7 <br /> Toluene 1 55.2 1 54.7 50 1 110 1 109 70-130 1 0.91 <br /> Benzene 60.7 1 60 1 50 1 121 1 120 1 70-130 1 0.83 <br /> LCS: Laboratory Control Standard <br /> ' LCSD: Laboratory Control Standard Duplicate <br /> RPD: Relative Percent Difference of LCS and LCSD <br /> 1 <br />