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CALTECH Environmental Laboratories <br /> ' 68) 4 111', 'l%LituL 11,11 titi,,tinz C A 9072!-i I AO l <br /> 1800 TL-kpi onk.. (' 621 -27-1-27()O -)6-'I 272-278t) \ <br /> 1I-e- <br /> QA/QC Report 'sj <br /> ' Method 8260B 'Y <br /> Matrix Water <br /> Date Analyzed 2/9/06 � U <br /> ' Date Extracted 219106 <br /> ' Perimeters Conc ug/L Spike Recovery % Control Limits RPD <br /> MS MSD Added MS MSD Rec RPD <br /> 1,1-D1,chloroethene 41 41 50 82 84 70-130 20 2 <br /> ' Benzene 41 42 50 82 84 1 70-130 20 2 <br /> Trichloroethene 42 43 50 84 86 70-130 20 2 <br /> Toluene 45 47 50 90 94 70-130 20 4 <br /> ' Chlorobenzene 49 51 50 98 102 70-130 20 4 <br /> Im,p-Xylenes 87 88 100 87 1 88 70-130 20 1 <br /> ' MS Matrix Spike <br /> MSD Matrix Spike Duplicate <br /> RPD Relative Percent Difference of M5 and MSD <br /> Perimeters Method Units Det <br /> Blank Limit <br /> 1,1-Dlchloroethene ND u IL 1 <br /> ' Benzene ND u IL 0 5 <br /> Trichloroethene ND u IL 0 5 <br /> Toluene ND u /L 0 5 <br /> ' Chlorobenzene ND u /L 0 5 <br /> m, -X lenes ND u /L 0 6 <br /> MTBE ND ug/L 1 <br /> TBA ND u IL 10 <br /> ' D1PE ND u IL 1 <br /> ETBE ND u IL 1 <br /> TAME ND u /L 1 <br /> ' 1,2-Dichloroethane ND u /L 0.5 <br /> EDB ND u IL 0 5 <br /> Eth benzene ND u IL 0 5 <br /> ' <br /> O-Xyiene ND u IL 0 6 <br /> TCE ND u 1L 1 <br /> . PCE ND u IL 1 <br /> 1 <br /> IOIAI 11 1)I 1)1( Ail 1) 10 ( 1 tii()\11 IZ V l ION <br />