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March 30, 2006 Mr. Byron Walker Re: Hayden Gulch Loadout Permit C-92-081 Responses to Midterm Permit Comments Page 4 At this time, HGTI intends to move forward with the modifications approved by CDMG in TR-06. However, until various contract issues are resolved between HGTI's parent company and the customer, HGTI can not implement the modifications and consequently, can not identify when the new coal handling system construction will start. To assure HGTI can move forward in a timely manner upon an agreement being reached, HGTI needs to maintain the modified facilities information in the PAP as approved by TR-06. Consequently, HGTI believes it is best to maintain the TR-06 revisions in the main section of Tab 12. In response to CDMG's request HGTI has developed a discussion that explains the pre-TR-06 conditions and describes what is currently existing, and on the ground. This material has been complied in new Attachment 12-1, Existing Facilities Area Conditions. HGTI recommends that the information in Attachment 12-I pre-date TR-O5. TR-OS is also a coal handling system modification (similar to TR-06, but on a smaller scale), which was approved by CDMG in July, 2000, but which was never implemented. HGTI is concerned the inclusion of the TR-OS material (i.e., Exhibit 12- lA, Revision 0 of 5/15/00) might only increase the confusion surrounding what is approved (TR-06) and what is currently on the ground. TR-06 modifications primarily involve buildings. New buildings, which are shown on Exhibit 12-1 (Revision 13) and Exhibit 12-2 (Revision 10) include: • Rail car positioner and dump hopper • Rail car dump hopper reclaim tunnel (with feeder belt conveyor) • Reclaim tunnel belt conveyor • Radial stacker • FogJet system control building Existin buildings, which will be retained as is (or with interior modifications), and which are also shown on Exhibit 12-1 (Revision 13) and Exhibit 12-2 (Revision 10) include: • Truck dump hopper • Truck dump hopper reclaim tunnel (with feeder belt conveyor) • Reclaim tunnel belt conveyor • Crusher building (the crusher will be removed and interior retro-fitted with a coal chute - superstructure will not change) • 15,000 gallon water tank • Dust suppression system control building • Dust suppression system pressure tank building • Powerhouse Existin building, which will be retro-fitted and relocated (the relocated locations are shown on Exhibit 12-1 [Revision 13] and Exhibit 12-2 [Revision 10]) include: • Coal loadout building • Loadout 60-inch belt ~ Hydro-Environmental Solutions, Inc. P.O. Box 772996 57 10`h Street, Suite B Steamboat Springs, CO 80477 (970) 871-6125