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CALTECH Environmental Laboratories <br /> O6814 Rosecrans Avcnue PaiamOUllt CA 90723-3146 <br /> Telephone (562) 272-2700 Fax (562) 272-2789 <br /> QA/QC Report <br /> Method 8260B <br /> Matrix Water <br /> Date Analyzed 6117105 <br /> Date Extracted 6117105 <br /> Perimeters Conc ug/L Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Ree RPD <br /> 1,1-Dichloroethene 48 48 50 96 96 70-130 20 0 <br /> Benzene 51 49 50 102 98 70-130 20 4 <br /> Trichloroethene 52 50 50 104 100 70-130 20 4 <br /> Toluene 50 48 50 100 96 70-130 20 4 <br /> Chlorobenzene 52 48 50 104 1 96 70-130 20 8 <br /> m, -Xylenes 109 1 101 100 109 1 101 70-130 20 8 <br /> LCS Laboratory Control Standard <br /> LCSD Laboratory Control Standard Duplicate <br /> RPD 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 ug/L 0 5 <br /> Trichloroethene ND ug/L 0 5 <br /> Toluene ND ug/L 0 5 <br /> Chlorobenzene ND u IL 0 5 <br /> m,p-X lenes ND ug/L 0 6 <br /> MTBE ND ug/L 1 <br /> TBA ND ug/L 10 <br /> DIPS ND ug/L 1 <br /> ETBE ND ug/L 1 <br /> TAME ND ug/L 1 <br /> 1,2-Dichloroethane ND ug/L 0 5 <br /> EDB ND ug/L 0 5 <br /> Eth (benzene ND u IL 0 5 <br /> o-X lene ND u IL 0 6 <br /> TCE ND ug/L 1 <br /> PCE ND ug/L 1 <br /> TOTALLY DEDIC/LED FO Cl15TOMER SATISFACTION <br />