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CALTECH Environmental Laboratories <br /> ' 14 Rosecrans Avenue ParaillOunt CA 90723-3146 <br /> OF6' <br /> Telephone (�62) 272-2700 (562) 272-2789 <br /> 1 <br /> QA/QC Report <br /> 1 <br /> Method 8260E <br /> tMatrix Water <br /> Date Analyzed 2/11/04 <br /> 1 Units ug/L <br />' oPer, ters,rs LSC LCSD Spike LCS % LCSD% Limits RPD <br /> Added Rec Rec <br />' oethene 40 42 50 80 84 60-140 4 <br /> 42 42 50 84 84 60-140 0 <br /> ene 48 44 50 96 88 60-140 8 <br />' 47 43 50 94 86 60-140 8 <br /> ene 49 45 50 98 90 60-140 S <br /> s 92 90 100 92 90 60-140 2 <br /> t� <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 /> 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,p-Xylenes 0 70-130 <br /> TOTA <br /> I LY DI:DICAI'LD TO CUSTOMER SATISFACTIQN <br />