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ENTHALPY <br /> 6'2'It`. ANALYTICAL <br /> Batch QC Report <br /> Organochlorine Pesticides <br /> Lab #: 311047 Prep: EPA 3546 <br /> Client: RNR Paving Analysis: EPA 8081A <br /> Project#: STANDARD <br /> Field ID: RNR PAVING Batch#: 271516 <br /> MSS Lab ID: 311047-001 Sampled: 06/19/19 <br /> Matrix: Soil Received: 06/19/19 <br /> Units: ug/Kg Prepared: 06/20/19 <br /> Basis: as received Analyzed: 06/24/19 <br /> Diln Fac: 1.000 <br /> Type: MS Cleanup Method: EPA 3620B <br /> Lab ID: QC980019 <br /> Analyte MSS Result Spiked Result %REC Limits <br /> gamma-BHC <0.1224 13.24 9.306 # 70 58-126 <br /> Heptachlor <0.1197 13.24 11. 62 # 88 58-127 <br /> Aldrin 0.4519 13.24 10.44 75 55-124 <br /> Dieldrin <0.08655 13.24 10.44 79 48-137 <br /> Endrin 0.7608 13.24 12.35 88 48-158 <br /> 4,4'-DDT 1. 615 13.24 13.76 92 38-155 <br /> Surrogate %REC Limits <br /> TCMX 53 43-125 <br /> Decachlorobiphenyl 71 40-128 <br /> Type: MSD Cleanup Method: EPA 3620B <br /> Lab ID: QC980020 <br /> Analyte Spiked Result %REC Limits RPD m <br /> gamma-BHC 13.18 9.826 # 75 58-126 6 36 <br /> Heptachlor 13.18 12.38 # 94 58-127 7 34 <br /> Aldrin 13.18 11.08 81 55-124 6 31 <br /> Dieldrin 13.18 10.58 80 48-137 2 38 <br /> Endrin 13.18 12. 67 90 48-158 3 38 <br /> 4,4'-DDT 13.18 14.09 95 38-155 3 42 <br /> Surrogate %REC Limits <br /> TCMX 61 43-125 <br /> Decachlorobiphenyl 75 40-128 <br /> #= CCV drift outside limits; average CCV drift within limits per method requirements <br /> RPD= Relative Percent Difference <br /> Page 1 of 1 20.0 <br /> 23 of 30 <br />