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CALTECH Environmental Laboratories <br />' i fib 14 R�)SeLr in, A%emit llm,imoiini C A 907-1 1-)146 <br /> TLIel-&u11L (ifa2) ?72-?711() (il,?) 272-2789 <br /> I <br /> QA/QC Report <br /> 1 <br /> Method 8260B <br />' Matrix Soil <br />' Date Analyzed 9123106 <br /> Date Extracted 9123106 <br />' Perimeters Conc ug/Kg Spike Recovery % Control Limits RPD <br /> MS MSD Added MS MSD Rec RPD <br />' 1,1-DEchloroethene 48 50 50 96 100 70-130 20 4 <br /> Benzene 52 54 50 102 108 70-130 20 6 <br /> Trichloroethene 56 60 50 112 120 70-130 20 8 <br /> Toluene 54 56 50 108 112 70-130 20 4 <br />' Chlorobenzene 53 54 50 106 L 108 70-130 1 20 2 <br /> m,p-X lenes 119 121 100 11.91 121 70-130 1 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 Lima <br /> 1,1-Dichloroethene ND u IK 5 <br /> Benzene ND ug/Kg 5 <br /> Trichloroethene NO ug/Kg 5 <br /> Toluene ND uq/Kg u /Kg5 <br /> Chlorobenzene ND uq/Kg u /Kg5 <br /> m,p-Xylenes ND ug/Kq ug/K5 <br /> MTBE ND ug/Kq ug/K5 <br /> TBA ND ug/Kg 100 <br /> DIPS ND uq/Kq u /K10 <br /> BTBE ND ug/K2 ug/K210 <br /> TAME ND ug/Kg 10 <br /> 1,2-DLchloroethane ND ug/Kg 5 <br /> EDB NO u /K 5 <br />' Eth lbenzene NO ug/Kg <br /> 5 <br /> o-Xylene ND u /Kg 5 <br />' 70IA1 I � D1 DK All 1) 1 { ( t 1 {)\if R `, 't1 I"I AC I "N <br />