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CbCurfis&Tompkins,Lid. <br /> Batch QC Report <br /> Purgeable Organics by GC/MS <br /> Lab #: 252701 Location: Tim Valentine <br /> Client: EarthTouch Prep: EPA 5030B <br /> Project#: ZION-2420-CA Analysis: EPA 8260B <br /> Matrix: Water Batch#: 207549 <br /> Units: ug/L Analyzed: 01/30/14 <br /> Diln Fac: 1.000 <br /> Type: BS Lab ID: QC725937 <br /> Analyte Spiked Result %REC Limits <br /> 1,1-Dichloroethene 12.50 12.49 100 65-134 <br /> Benzene 12.50 12.77 102 80-124 <br /> Trichloroethene 12.50 12.36 99 80-120 <br /> Toluene 12.50 12.05 96 80-122 <br /> Chlorobenzene 12.50 12.23 98 80-120 <br /> Surrogate %REC Limits <br /> Dibromofluoromethane 114 77-136 <br /> 1,2-Dichloroethane-d4 124 75-139 <br /> Toluene-d8 98 80-120 <br /> Bromofluorobenzene 94 80-120 <br /> Type: BSD Lab ID: QC725938 <br /> Analyte Spiked Result %REC Limits RPD Lim <br /> 1,1-Dichloroethene 12.50 11.86 95 65-134 5 20 <br /> Benzene 12.50 12.72 102 80-124 0 20 <br /> Trichloroethene 12.50 12.42 99 80-120 0 20 <br /> Toluene 12.50 11.83 95 80-122 2 20 <br /> Chlorobenzene 12.50 11.89 95 80-120 3 20 <br /> Surrogate %REC Limits <br /> Dibromofluoromethane 110 77-136 <br /> 1,2-Dichloroethane-d4 124 75-139 <br /> Toluene-d8 97 80-120 <br /> Bromofluorobenzene 94 80-120 <br /> RPD= Relative Percent Difference <br /> Page 1 of 1 9.0 <br /> 36 of 121 <br />