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Tony Mindling <br /> February 3,2004 Page 2 <br /> • All surrogates are appropriate for their respective methods. All surrogate recoveries were x <br /> within laboratory acceptance limits except as summarized in the following table. <br /> Acceptance Impact to <br /> Sample Surrogate Recovery Criteria Data Quality <br /> DMW-1 4-Bromofluorobenzene 78% 80- 120% Biased Low* <br /> (Initial Analysis) <br /> DMW-3 Dibromofluoromethane 133% 81 - 128% No Impact <br /> DMW-4 Toluene-d8 75%n <br /> 80- 121%(Initial Analysis) Biased Low* <br /> DMW-7 4-Bromofluorobenzene 78% 80-120% Biased Low <br /> Note: <br /> * The data from the reanalysis has been reported for this sample. <br /> • The peak pattern (C20 to C38) in the 8015M fraction of sample DMW-3 does not match the <br /> diesel standard (C10 to C24) and has been reported as unknown hydrocarbon. <br /> • No dilutions were performed. <br /> These data are acceptable and are useable for their intended purpose. <br /> F <br /> E <br /> DASharcd\Report Documeuts\American ForestlSacval AFP 4Q2003.001 <br /> -w <br />