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CbCurtis&Tompkins.Lid. <br /> Batch QC Report <br /> Organochlorine Pesticides <br /> Lab #: 252701 Location: Tim Valentine <br /> Client: EarthTouch Prep: EPA 3550B <br /> Project#: ZION-2420-CA Analysis: EPA 8081B <br /> Type: LCS Diln Fac: 1.000 <br /> Lab ID: QC726061 Batch#: 207582 <br /> Matrix: Soil Prepared: 01/30/14 <br /> Units: ug/Kg Analyzed: 01/31/14 <br /> Analyte Spiked Result %REC Limits <br /> gamma-BHC 13.42 12.97 97 46-120 <br /> Heptachlor 13.42 15.74 117 41-124 <br /> Aldrin 13.42 13.46 100 48-122 <br /> Dieldrin 13.42 13.66 102 39-142 <br /> Endrin 13.42 14.56 108 45-138 <br /> 4,4'-DDT 13.42 14.42 # 107 32-145 <br /> Surrogate %REC Limits <br /> TCMX 114 42-134 <br /> Decachlorobiphenyl 99 29-122 <br /> #= CCV drift outside limits; average CCV drift within limits per method requirements <br /> Page 1 of 1 47.0 <br /> 87 of 121 <br />