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Mr. Peter Hays <br />RE: City of Greeley M-1977-081 <br />October 20, 2015 <br />In compliance with Subsections 3.1.1 through 3.1.4 of Section 3.1, Reclamation Performance <br />Standards, Construction Material Rules and Regulations, a post -mining land use was established <br />for the site, approved by the Office, and a reclamation plan was formulated. The final <br />reclamation plan for this site was to reclaim the disturbed ground for use as a water storage <br />reservoir, with the area for release including groundwater lakes and vegetation with native <br />grasses. <br />As listed below, reclamation of the 38.16 acre parcel requested for final release has complied <br />with additional subsections of the Reclamation Performance Standards. <br />3.1.5 Materials Handling <br />Backfilling and grading meets reclamation requirements. <br />• No mining steep slopes or highwalls, drill or auger holes, or adits or shafts were created <br />or left in the permit area for release. <br />• No refuse, acid-forming, or toxic producing materials have been mined or produced on <br />the site. <br />• All slopes, including slopes within 5 feet above and 10 feet below the expected water line <br />of the lakes are 3H:1V or flatter. <br />• Material that could potentially cause unauthorized releases of pollutants to the surface <br />drainage system was not mined or disposed of within the proposed area for release. <br />• No unauthorized release of pollutants to groundwater occurred from materials mined or <br />handled within the permit area. <br />3.1.6 Water — General Requirements <br />Disturbances to the prevailing hydrologic balance caused by the proposed area for release were <br />minimal. <br />• The operator has complied with applicable Colorado water laws and regulations <br />governing injury to existing water rights. <br />• The operator has complied with applicable federal and Colorado water quality laws and <br />regulations, including statewide water quality standards and site-specific classifications <br />and standards adopted by the Water Quality Control Commission. <br />• The operator has complied with all applicable federal and Colorado dredge and fill <br />requirements. <br />• No temporary or permanent siltation structures were constructed or left within the <br />proposed area for release. <br />• No dams were constructed in conjunction with the Greeley West Pit permit. <br />• Surface areas of the proposed area for release have been vegetated for stabilization as <br />required to control erosion. <br />Page 2 of 3 <br />