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f <br /> CALTECHEnvironmental Laboratories <br /> • � �]iI`f [`4.J��4rG�. 1 a.Y'Li4 l � � i ' �11i. ^=^-� �! <br /> QA/QC Report <br /> Method 8260B <br /> Matrix Water <br /> Date Analyzed 12/27/01 <br /> Units ug/L <br /> Perimeters LSC LCSD Spoke LCS % LCSD % Limits RPD <br /> Added Rec Rec. <br /> 1,1-Dichloroethene 45 4-37 50 90 87 70-130 33 <br /> Trichloroethene 50 53 50 100 106 70-130 6 <br /> Chlorobenzene 504 518 50 101 104 70-130 3 <br /> Toluene 1 465 1 557 50 93 111 70-130 19 <br /> Benzene 504 1 566 1 50 1 101 1 113 1 70-130 12 <br /> i <br /> LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> a-I-r`", +-J♦ 1 r "'rrl% ar-Y- r i'r`r n,�a F•'T /�\ <br />