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l <br /> CALTECH Environmental Laboratories <br /> O6814 Rosecrans AvenUe ParaflloUnt CA 90723-3146 <br /> Telephone (562) 272-2700 Fax (562) 272-2789 <br /> QA/QC Report <br />' Method 8260B <br />' Matrix Water <br /> Date Analyzed 1218103 <br /> IUnits ug/L <br />' Perimeters LSC LCSD Spike LCS.% LCSD % Limits RPD <br /> Added Rec Rec <br /> 1,1-Dichloroethene 45 47 � 50 90 94 60-140 4 <br />' Benzene 42 41 50 82 82 60-140 0 <br /> Trichloroethene 52 54 50 104 108 60-140 4 <br /> Toluene 47 49 50 94 98 60-140 4 <br />' Chlorobenzene 44 44 50 88 88 60-140 0 <br /> m, -X lenes 89 96 50 89 96 60-140 7 <br /> lie <br /> LCS Laboratory Control Standard <br />' LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> 1 <br /> Perimeters Blank Limits RPD <br />' 1,1-Dichloroethene 0 70-130 <br /> Benzene 0 70-130 <br /> t Trichloroethene 0 70-130 <br /> Toluene 0 70-130 <br /> Chlorobenzene 0 70-130 <br /> tm, -Xylenes 0 70-130 <br />' TOTALLY D1-DK A"i f D TO C115T( Mi ER SATISFACTION <br />