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Section 11 - Revisions to Permit C-1981-019 <br /> Since the approval of Permit Renewal No.8(April 18, 2022), the following minor revisions <br /> (MR) and technical revisions (TR)have been received for Permit No. C-1981- 019. <br /> Minor Revision 240-MU40 updates Exhibit 13C with additional areas scheduled for topsoil <br /> removal to support the advancement of surface and highwall mining in the Collom Pit. The <br /> revision was received on April 20,2022, deemed complete on April 25,2022 and approved <br /> on Apri125, 2022. +$408,354.00 <br /> Technical Revision 153 -TR153 provides a new design for the at grade crossing at Moffat County <br /> Road 51 to facilitate moving a dragline through the crossing.The revision was received on <br /> April 21, 2022,deemed complete on April 26,2022 and approved on June 28, 2022. <br /> +$524.00 <br /> Technical Revision 154-TR154 proposes are revised mining plan and post mine topography for the <br /> Collom Pit. The revision was received on May 3, 2022,deemed complete on May 13,2022 <br /> and approved on July 12,2022. <br /> Minor Revision 241 -MU41 proposes updated to the topsoil movement for the West and South <br /> Taylor Pits.The revision was received on May 23, 2022, deemed complete on June 2, 2022 <br /> and approved on June 6,2022. <br /> Minor Revision 242-MR242 proposes a topsoil windrow on the west crest of Little Collom Gulch <br /> within the Collom Pit. proposes two light-use roads adjacent to the Collom Haul Road for <br /> access to monitor and maintain several small sediment sumps.The revision was received on <br /> June 20,2022, deemed complete on June 30, 2022 and approved on July 8, 2022. <br /> Minor Revision 243-MR243 proposes a topsoil windrow on the west crest of Little Collom Gulch <br /> within the Collom Pit. The revision was received on July 14,2022, deemed complete on <br /> July 22, 2022 and approved on August 1, 2022. <br /> Minor Revision 244-MU44 provides an updated certificate of insurance for the Colowyo Mine. <br /> The revision was received on August 2, 2022,deemed complete on August 3, 2022 and <br /> approved on August 3,2022. <br /> Technical Revision 155 -TR155 proposes two sediment ponds,the Upper and Lower Section 3 <br /> Ponds respectively,which are proposed to be within Streeter Ditch directly below the <br /> primary crushing facility at Colowyo. The sediment ponds will be used in series with the <br /> Lower Section 3 Pond being a non-discharging structure. The revision was received on <br /> August 16, 2022,deemed complete on August 26, 2022 and approved on October 17,2022. <br /> +$95,851.00 <br /> Technical Revision 156-TR156 proposes to include a geotechnical report addendum (Exhibit 23, <br /> Item 4)into the permit to address the requirement from Exhibit 23,Item 1 (Figure 4),for a <br /> geotextile fabric to placed over the underdrain in the Little Collom Gulch Valley Fill. The <br /> revision was received on September 23, 2022,deemed complete on October 3,2022 and <br /> approved on November 7, 2022. <br /> Colowyo Mine Midterm Review No.8 <br /> Permit No.C-1981-019 May 5,2020 <br /> 4 <br />