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CAL TECH Environmental Laboratories <br /> O6814 Rosecrans Avenue Paiamount CA 90723-3146 <br /> Telephone (562) 272-2700 Fax ('�62) 272-2789 <br /> QA/QC Report <br /> Method 8260B <br /> Matrix Water <br /> Date Analyzed 1218/03 <br /> Units 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 /> 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 /> 1,1-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 /> i <br /> 'T"TAI TVTIT,r')V AI-T-TlTrir'IIQrllXTI.QCATTCT:A(`71(- 1 <br />