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ri <br /> CALTECH Environmental Laboratories <br /> O 0914 Rosecrans rlx rnur. I'ar miounr. ( A 907'3-3146 <br /> lclepho e: (56?) -272-2700 la7?_2781) <br /> QA/QC Report <br /> Method: TO-15 •`" <br /> Matrix. Air <br /> Date Analyzed: 8!3/2010 <br /> Units: ppbv <br /> Perimeters LSC LCSD SpikeLCS% LCSD% Limits RPD <br /> Added Rec. Rec, <br /> 1,1-Dichloroethene 9.62 9.52 10 96 95 70-130 1 <br /> Meth gene Chloride 9.21 9.37 10 92 94 70-130 2 <br /> Trichloroethene 9.11 9.17 10 91 92 70-130 1 <br /> Toluene 9.93 1 9.97 10 99 1 100 1 70-130 1 1 <br /> 1,1,2,2-Tetrachloroethane 1 9.33 1 9.66 10 93 1 97 1 70-130 1 4 <br /> LCS: Laboratory Control Standard <br /> LCSD: Laboratory Control Standard Duplicate <br /> RPD: Relative Percent Difference of LCS and LCSD <br /> I <br /> i <br /> Perimeters Blank Limits RL <br /> 1,1-Dichloroethene 0 70-130 1 i <br /> Methylene Chloride 0 70-130 1 <br /> Trichloroethene 0 70-130 1 <br /> Toluene 0 70-130 1 <br /> 1,1,2,2-Tetrachloroethane 0 70-130 1 1 <br /> I <br /> i <br /> 4'I O1l l It ti 1'fltil �(' l'fO\ <br />