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CAL TECH Environmental Laboratories <br /> COj <br /> 681-4 iZusccnins A�entie. ParanuOunL C ti 907'3- 'I-16 <br /> Iclephnne: (Sb'. _-Z7t)0 I'a\: tit,'1 _7_1--'%h�; <br /> QA/QC Report <br /> Method: 8260B <br /> Matrix: Water <br /> Date Analyzed: 11/16/07 <br /> Date Extracted: 11/16/07 <br /> Perimeters Conc. u /L Spike Recovery % Control Limits RPD <br /> MS MSD Added MS MSD Rec. RPD <br /> 1,1-Dichloroethene 44 45 50 88 90 70-130 20 2 <br /> Benzene 46 51 50 92 102 70-130 20 10 <br /> Trichloroethene 55 58 50 110 116 70-130 20 6 <br /> Toluene 53 56 50 106 112 70-130 20 6 <br /> Chlorobenzene 51 53 50 102 106 70-130 20 4 <br /> m,p-Xylenes 89 92 100 89 92 70-130 20 3 <br /> MS: Matrix Spike <br /> MSD: Matrix Spike Duplicate <br /> RPD: Relative Percent Difference of MS and MSD <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-Xylenes ND 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 u /L 1 <br /> 1,2-Dichloroethane ND u /L 0.5 <br /> EDB ND u /L 0.5 <br /> Eth lbenzene ND u /L 0.5 <br /> o-X lene ND u /L 0.6 <br /> TCE ND u /L 1 <br /> PCE ND ug/L 1 <br /> TOIALLI" DI I71( oaf} I71'0 ('US-l—OMl,.2 SAVISFAC'i ION <br />