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CAL TECH Environmental Laboratories <br /> I0C 6814 Rosecrans Avenue. t';ijamnunt. ('A 90733-31 46 <br /> Telephone: (562) 27-1-2700 I-uyo02) 171-178() <br /> QA/QC Report <br /> Method: 8260B <br /> Matrix: Water <br /> Date Analyzed: 2/27/07 <br /> Date Extracted: 2/27/07 <br /> Perimeters Conc. u /L Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec. RPD <br /> 1,1-Dichloroethene 52 55 50 104 110 70-130 20 6 <br /> Benzene 53 54 50 106 108 70-130 20 2 <br /> Trichloroethene 46 49 50 92 98 70-130 20 6 <br /> Toluene 51 52 50 102 104 70-130 20 2 <br /> Chlorobenzene 44 45 50 88 90 70-130 20 2 <br /> m,p-Xylenes 88 93 1 100 1 88 93 70-130 20 5 <br /> LCS: Laboratory Control Standard <br /> LCSD: Laboratory Control Standard Duplicate <br /> RPD: Relative Percent Difference of LCS and LCSD <br /> Perimeters Method Units Det. <br /> Blank Limit <br /> 1,1-Dichloroethene ND ug/L 1 <br /> Benzene ND u /L 0.5 <br /> Trichloroethene ND u !L 0.5 <br /> Toluene ND ug/L 0.5 <br /> Chlorobenzene ND u /L 0.5 <br /> m,p-X lenes ND I u /L 0.6 <br /> MTBE ND u /L 1 <br /> TBA ND u /L 10 <br /> DIPE ND u /L 1 <br /> ETBE ND u /L 1 <br /> TAME ND ug/L 1 <br /> 1,2-Dichloroethane ND ug/L 0.5 <br /> EDB I ND ug/L 1 0.5 <br /> Ethyibenzene ND ug/L 0.5 <br /> o-Xylene ND A/L <br /> /L 0.6 <br /> TCE ND /L 1 <br /> PCE ND 1 <br /> 'fr 1T,11 1 V r7 t 7rltl'A'r'4:t\ 'r'rl r'il C'I'r IN 41-I? C n'r'!e!:nr`T rrw <br />