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Footnote: Ed Baltzer was contacted regarding the estimation methodology of the coarse <br />fraction. He confirmed on June 4, 2008 that it is done visually and is done by volume and not <br />• by weight. This was the method employed for the samples studied in this report. Also, the <br />selenium threshold levels have been modified. See Table 2.04.9-2 in main text of Section <br />2.04.9. The conductivity limits have also been changed for subsoil in prime farmland from 4.0 <br />mmhos/cm to 6.0 mmhos/cm. <br />Resampling of Suitable Subsoil on Prime Farmland and Corresponding Results <br />As is seen from the lab results of 6/27/08, eight samples were re-run based on saturation paste <br />extract for conductivity in the placed subsoil in prime farmland prior to February 2008. Seven of <br />these samples were acceptable, as seen in the included lab sheet, page Attachment <br />2.05.4(2)(d)-1-14 . One sample, #32, still showed a high level of 7.33 mmhos/cm. Surrounding <br />samples were then taken according to the procedures outlined in Section 2.05.4(2)(d) of the <br />permit. The surrounding remediation test samples (4) around site #32 passed. See lab results <br />on page Attachment 2.05.4(20(d)-1-19&20. Since the surrounding test sites passes, no further <br />testing or action was needed for that site. There was some question about sample site #21 <br />being elevated, so four more remediation test samples were taken and those passed as well. <br />• As with Sample site #32, no further action is needed. See lab results on page Attachment <br />2.05.4(2)(d)-1-19&20. The results on the following pages all show acceptable results in the <br />surrounding area. <br />0 (Revised Nov 2008) Attachment 2.05.4(2)(d)-1-18