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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 /> Field ID: B-lA Batch#: 207582 <br /> MSS Lab ID: 252701-001 Sampled: 01/28/14 <br /> Matrix: Soil Received: 01/29/14 <br /> Units: ug/Kg Prepared: 01/30/14 <br /> Basis: as received Analyzed: 01/31/14 <br /> Diln Fac: 1.000 <br /> Type: MS Lab ID: QC726062 <br /> Analyte MSS Result Spiked Result %REC Limits <br /> gamma-BHC <0.2183 13.16 13.17 100 42-136 <br /> Heptachlor <0.1935 13.16 15.56 118 40-144 <br /> Aldrin 0.2452 13.16 13.12 98 45-143 <br /> Dieldrin <0.4019 13.16 14.34 109 47-145 <br /> Endrin <0.5659 13.16 14.64 111 46-150 <br /> 4,4'-DDT <0.4779 13.16 14.33 # 109 30-157 <br /> Surrogate %REC Limits <br /> TCMX 107 42-134 <br /> Decachlorobiphenyl 100 29-122 <br /> Type: MSD Lab ID: QC726063 <br /> Analyte Spiked Result %REC Limits RPD Lim <br /> gamma-BHC 13.50 11.20 83 42-136 19 40 <br /> Heptachlor 13.50 14.16 105 40-144 12 46 <br /> Aldrin 13.50 11.04 80 45-143 20 41 <br /> Dieldrin 13.50 12.21 90 47-145 19 36 <br /> Endrin 13.50 13.15 97 46-150 13 41 <br /> 4,4'-DDT 13.50 13.25 # 98 30-157 10 52 <br /> Surrogate %REC Limits <br /> TCMX 85 42-134 <br /> Decachlorobiphenyl 93 29-122 <br /> #= CCV drift outside limits; average CCV drift within limits per method requirements <br /> RPD= Relative Percent Difference <br /> Page 1 of 1 48.0 <br /> 88 of 121 <br />