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CALTECH Environmental Laboratories <br /> ' Rosecrans Avenue Pai amount CA 90723-3 146 <br /> O Telephone (562) 272-2700 Fa\ (562) ?72-2789 <br />' <br /> QA/QC Report <br />' Method 8260B <br />' Matrix Water <br /> Date Analyzed 6120105 <br />' Date Extracted 6120105 <br />' Perimeters Conc ug/L Spike Recovery % Control Limits RPD <br /> LCS LCSD Added LCS LCSD Rec RPD <br /> 1,1-Dichloroethene 47 48 50 94 96 70-130 20 2 <br />' Benzene 48 51 50 96 102 70-130 20 6 <br /> Trichloroethene 51 54 50 102 108 70-130 20 6 <br /> Toluene 50 54 50 100 108 70-130 20 8 <br />' Chlorobenzene 52 52 50 104 1 104 70-130 20 0 <br /> m,p-Xylenes 109 115 100 109 115 70-130 1 20 6 <br /> 2 <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 ug/L 1 <br />' Benzene ND ug/L 0 5 <br /> Trichloroethene ND ug/L 0 5 <br /> Toluene ND u IL 0 5 <br /> Chlorobenzene ND u IL 0 5 <br />' m,p-X lenes ND ug/L 0 6 <br /> MTBE ND u IL 1 <br /> TBA ND u IL 10 <br /> DIPE ND ug/L 1 <br /> ETBE ND ug/L 1 <br /> TAME ND u IL 1 <br /> 1,2-Dichloroethane ND ug/L 0 5 <br /> EDB ND ug/L 0 5 <br /> Ethylbenzene ND ug/L 0 5 <br /> o-Xylene ND u IL 0 6 <br />' TCE ND u IL 0 5 <br /> • PCE ND u IL 0 5 <br />' TO PALLY DEDICA-I ED ro C USTOMCR SATISFACTION <br />