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C -1981 -008 <br />PR -06 AR #5 <br />August 25, 2010 <br />Page 23 of 26 <br />to 3 parameters with PR -6. In actuality, the reduction in number of parameters was apparently <br />approved in 1999. We suggest the following replacement wording. "Prior to July 1999, <br />regraded spoil monitoring included analyses of 7 parameters. The parameter list was reduced at <br />that time to 3 parameters (boron, pH, and EC), based on information obtained over the course of <br />the initial monitoring program. The current requirements for regraded spoil and replaced topsoil <br />monitoring (updated for PR -6 in 2010) are presented on Tables 2.05.4(2)(d) -1A and 1B. The <br />sampling grid is oriented north - southeast -west, to reflect the current mining pattern. Sample <br />intensity is 1 sample location per 2.5 acres in areas where the surface spoil functions as a subsoil <br />substitute, 1 sample location per 5 acres in all other areas." <br />The final two paragraphs of the subsection should be deleted. <br />77. Previously resolved. <br />78A. Previously resolved. <br />78B. Please see Comment 76F above, and respond accordingly. <br />78C. The Division pointed out a typographical error in the heading of Subsection 6.0. The typo was <br />corrected in the amended text.: Item Resolved. <br />78D. The Division requested clarification of the Unsuitable Spoil Mitigation Plan, in Subsection 5.0 <br />of Section 2.05.4(2)(d). Requested clarification was provided. Item Resolved <br />78E. The Division made two requests regarding reorganized Subsections 14.0 and 15.0. <br />a. The Division requested clarification regarding soil replacement lift thickness documentation <br />and reporting for non -prime farmland areas. Adequate clarification was provided in <br />amended Subsection 14.0, however there is an extraneous sentence fragment in the final <br />paragraph of Subsection 14.0 ( "Replacement depth information shall include thickness of <br />Mixed "). Please delete the extraneous sentence fragment. <br />b. The Division requested several clarifications to amended Subsection 15.0 "Topsoil <br />Remediation Plans ". Updated narrative was provided, but several wording changes are still <br />warranted. In the first sentence of the subsection, "spoil" should be "soil ". In the last <br />sentence of Item 3 of the enumerated remediation plan, reference in parentheses to the <br />original grid should state "(1 hole per 2.5 acres on prime farmland, 1 hole per 5 acres on <br />non -prime farmland) ", to correspond with amended Tables (d) -lA and (d) -lB. In the next <br />to last paragraph of Subsection 15.0, the third sentence refers to calculation of a "weighted <br />average ". The procedure described would appear to involve calculation of a simple average, <br />not a weighted average. Please amend the text as warranted. <br />78F. This item addressed modifications to Tables (d) -lA and (d) -113. These issues have been <br />incorporated into Item 76A, above. As a result, the Division considers this item to be resolved. <br />Item Resolved <br />79. This item addressed modifications to Tables (d) -lA and (d) -1B. These issues have been <br />incorporated into Item 76A, above. As a result, the Division considers this item to be resolved. <br />Item Resolved - <br />