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CALTECH Environmental Laboratories <br /> • 6814 Rosecrans Avenue PararnOUrit CA 90723-3 146 <br /> Telephone (562) 272-2700 Tax (562) 272-2789 <br /> i QA/QC Report <br /> Method 8260B <br /> Matrix Water <br /> Date Analyzed 11/30/04 <br /> IDate Extracted 11/30/04 <br /> Perimeters Conc ug/L Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 49 47 50 98 94 70-130 20 4 <br /> Benzene 56 54 50 112 108 70-130 20 4 <br /> Trichloroethene 55 52 50 110 104 70-130 20 6 <br /> Toluene 51 51 50 102 102 70-130 20 0 <br /> Chforobenzene 58 54 50 116 108 70-130 �0 8 <br />' rn,p-X ienes 110 103 100 110 1 103 70-13020 7 <br /> • LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> RPD Relative Percent Difference ,I LCS and LCSD <br /> Perimeters Method Units Det <br />' Blank Limit <br /> 1,1-Dichloroethene ND u /L 1 <br /> Benzene ND u /L 05 <br /> Trichloroethene ND u /L 05 <br /> Toluene ND u /L 05 <br /> Chlorobenzene ND u /L 05 <br />' m,p-Xylenes ND u /L 06 <br /> MTBE ND u /L 1 <br /> TBA ND u /L 10 <br /> DIPE ND ug/L 1 <br />' ETBE ND u /L 1 <br /> TAME ND u /L 1 <br /> 1,2-Dichloroethane ND u /L 05 <br />' EDB ND ug/L_ 05 <br /> Eth lbenzene ND u /L 05 <br /> o-Xylene ND u /L 0 6 <br />' TCE ND u /L 0 5 <br /> PCE ND ug/L 0 5 <br /> 1 <br /> tTOTALLY DEDICATED 10 CL15I OMER SATISI+ACTION <br />