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1 <br /> CALTECH Environmental Laboratories <br />' 6814 Roseci ans Avenue Paramount CA 90723-3146 <br /> SC Telephone (562) 272-2700 Fax (562) 272-2789 <br /> I <br /> QA/QC Report <br /> 1 <br /> Method 8260B <br />' Matrix Water <br /> Date Analyzed 7/19104 <br />' Units ug/L <br />' Perimeters LSC LCSD Spike LCS % LCSD % Limits RPD <br /> Added Rec Rec <br />' 1,1-Dichloroethene 50 48 50 100 96 60-140 4 <br /> Benzene 58 57 50 116 114 60-140 2 <br /> Trichloroethene 58 54 50 116 108 60-140 7 <br />' Toluene 54 51 50 108 102 60-140 6 <br /> Chlorobenzene 56 55 50 112 110 60-140 2 <br /> m, -X lenes 122 119 100 122 119 60-140 3 <br /> LCS Laboratory Control Standard <br />' LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference of LCS and LCSD <br /> -Aa <br /> I �y <br /> Perimeters Blank Limits RPD p <br /> � b <br /> 1,1-Dichlaroethene 0 70-130 <br /> Benzene 0 70-130 �� 1 <br /> Trichloroethene 0 70-130V11 <br />' Toluene 0 70-130 bl <br /> Chlorobenzene 0 70-130 <br /> M, -Xylenes 0 70-130 / / a{ <br /> ITOTALI Y DEDICAI-ISD 10 CUSTOMER SATISFACTION <br />