2018-04-13_REVISION - C1981019 (5)

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April 10, 2018 Page 2 Response: The Explosive Storage Area narrative was not intended to be removed and has been provided as required by Rule 2.03(3). 5. During the Division's inspections, it was observed that Topsoil Pile 16B has been removed and topsoil was added to Topsoil Pile 16B. Please update Map 28 to show this change. Response: Map 28 and Map 28B have been updated to reflect Topsoil Pile 16B being reclaimed. 6. As discussed via phone between the Division and Colowyo on January 4, 2018, please provided an updated boundary description on all associated text and updated permit boundary on all associated maps to include the area which encompasses Topsoil Pile 17E. Response: As discussed, the permit boundary has been updated to include Topsoil Pile 17E as requested. All maps that the revised permit boundary have impacted have been submitted herein as necessary. 7. On proposed Volume 12, Rule 2, Page 26 under the section Surface Water, it states, "Surface rater adjudication within the Permit Revision area... ". Please update the reference of Permit Revision area to speck which permit revision the area is associated to the area. Response: The word "South Taylor" was added into the surface water section to ensure clarity was provided with which permit revision area this is addressing. 8. On proposed Volume 12, Rule 2, Page 71, the South Taylor temporary overburden stockpile stabilization seed mix was removed from the section. Please provide the Division an explanation on why it was removed from the text. Response: First, during construction of the temporary stockpiles, the piles change often enough that attempting to establish vegetation is not practical. Second, the angle of repose slopes found on the majority of both fills along the lack of topsoil are not conducive as a growth medium. Finally, the surface of the stockpiles hardens over time, and the premise of applying a seed mix for erosion control and/or dust suppression is not necessary. In summary, it was determined the stockpile seed mix did not provide any benefit nor was it practical to grow vegetation on steep slopes (angle of response), therefore it was appropriate to remove it from the permit. 9. On proposed Volume 12, Rule 2, Page 78, under the first paragraph of Section 2.05.6(3)(a), there appears to be a typo with the redundant use of the word "area". Response: The redundant word "area" has been removed. 10. While Haul Road `A " and Haul Road `B" are discussed under Volume 1 of the Colowyo PAP, the Division feels additional references to this discussion is necessary under the proposed Volume 12, Section 2.05.3(3): Mine Facilities — Haul and Access Road for AN EQUAL OPPORTUNMTY/AFRRMATN/E ACTION EMPLOYER A Touchstone Energy Cooperative Attsk