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Response — The Appendix Table 2.04.6 -2 has been revised to address DRMS comments <br />and make it consistent with Table 2.04.6 -2. Data to be inserted in Appendix 2.04.6 -4 is <br />provided with this response. <br />2.04.7 — Hydrology Description <br />2.04.7(1) — Ground Water Information <br />1. DRMS: The statement on page 2 was not corrected as requested. Please correct the <br />statement on page 2 as follows: "Typical completion diagrams one each for the overburden, <br />coal zone, and underburden well completion monitoring zones are provided in Figure 1 of <br />Appendix 2.04.7 -1." <br />Response — The statement in page 2 has been corrected to include the text suggested by <br />DRMS. <br />2. DRMS: The information was not incorporated as requested. Table 1 in Appendix 2.04.7 -1 <br />has not been changed. The application should contain the specific well completion <br />information for each of the nine new monitoring wells. Table 1 in Appendix 2.04.7 -1 is <br />titled "Proposed Ground Water Monitoring Hole Locations and Depths" and contains <br />"Estimated Monitoring Hole Depths ". This table should be replaced since the wells have <br />been drilled and constructed. Please add a well completion information table to Appendix <br />2.04.7 -1 that at a minimum contains the following information for each monitoring well: <br />well identification/location, formation monitored, total depth, well casing type and diameter, <br />ground elevation, casing stickup or measuring point elevation, and slotted interval. <br />Response — Table 1 in Appendix 2.04.7 -1 has been revised to include actual completion <br />data for the new nine monitoring holes. <br />4. Response is accepted; however, the reference to Appendix 2.04.7 -2 is incorrect, and should <br />be changed to Appendix 2.04.7 -1 in the second paragraph of revised page 5 (at 2 locations). <br />Response — The reference has been corrected in page 5 of the revised text. <br />7. DRMS: The Division identified the need for additional downgradient groundwater <br />monitoring and the potential need for a point of compliance well. WFC responded by <br />stating they will consult with CDRMS on location of additional nest site and point of <br />compliance site and that the new sites would be constructed following permit approval and <br />prior to new disturbance. Please provide a plan for an additional group of nested wells at a <br />downgradient location as requested. The Division will require an approved plan and design <br />for the additional nested well site prior to permit approval. The wells shall be drilled and <br />installed prior to disturbance. The need for points of compliance can be determined at a later <br />date following permit approval. <br />Response — A plan for an additional group of nested wells at a downgradient location is <br />now provided in page 2 of the text as well as Appendix 2.04.7-1 <br />11. DRMS: Response accepted. However, there are typos at the top of page 13 of the revised <br />text. Please remove the underlining from the first paragraph of page 13; the last sentence of <br />the same paragraph is fragmented and needs to be revised. <br />Page 7 <br />