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CALTECH Environmental Laboratories <br /> • O J� ✓�( ��� � �.—tf s� ,�1i i.`vF� lr�t =4F� _S ^ <br /> QA/QC Report <br /> Method 8260B <br /> Matrix Water <br /> Date Analyzed 10/29/02 <br /> Units ug/L <br /> Perimeters LSC LCSD Spike LCS% LCSD% Limits RPD <br /> Added Rec. Rec <br /> 1,1-Dichloroethene 47 48 50 94 96 70-130 2 <br /> Benzene 53 54 50 106 108 70-130 2 <br /> Trichloroethene 1 54 53 50 1 108 106 70-130 2 <br /> Toluene 51 48 50 102 96 70-130 6 <br /> Chlorobenzene 56 53 50 112 106 70-130 5 <br /> m, -X lenes 121 120 100 121 120 70-130 1 <br /> LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> Perimeters Blank Limits RPD <br /> i,1-Dichloroethene 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 /> O FA I L' C l;{ �'�J' � 0 L—'j �sA V,'I 'K �f'�.� f '��-• i <br />