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CALTECH Environmental Laboratories <br />' �1R I IZC1�e( i n,, A,,t dile 1'ii,)mmint CA ()0-72')-s] 1�) <br /> T�Ie hl�t7itu tS621 2 I? 2100 1 6 ?72_?71L) <br /> I <br /> QA/QC Report <br />' Method 8260E <br />' Matrix Water <br /> Date Analyzed 9130105 <br />' Date Extracted 9130105 <br />' Perimeters Conc ug1L Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 49 48 50 98 96 70-130 20 2 <br />' Benzene 55 52 50 110 102 70-130 20 8 <br /> Trichloroethene 58 56 50 116 112 70-130 20 4 <br /> Toluene 60 58 50 120 116 70-130 20 4 <br /> Chlorobenzene 1 47 47 50 94 94 70-130 1 20 0 <br /> m, -X lenes 121 118 100 121 1 118 70-130 1 20 3 <br /> • LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> IRPD Relative Percent Difference of LCS and LCSD <br /> Perimeters Method Units Det <br /> Blank Limit <br /> 1,1-Dichloroethene 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 /> rn,p-Xylenes ND ug/L 0 6 <br /> MTBE ND ug/L 1 <br /> TBA ND u /L 10 <br /> I DIPE ND u IL 1 <br /> ETBE ND u IL 1 <br /> TAME ND a /L 1 <br /> I 1,2-Dichloroethane ND u /L 0 5 <br /> EDB ND u IL 0 5 <br /> Eth (benzene ND u IL 0 5 <br /> o-X lene ND u /L 0 6 <br /> TCE ND u /L 05 <br /> PCE ND u /L 0 5 <br /> I <br /> ro-i m 1 Y m I)1< X11 i i3 I n� 1 ON11 R �A] !`-,1 A( HON <br />