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issued by the Colorado Department of Public Health and Environment. From time to time used <br />asphalt pavement, concrete rubble and inert soil may be delivered to the operation from off site <br />sources. Any material delivered to the facility from outside sources that will be used in the <br />backfilling and grading operations, Described in Exhibit E, the following procedure will be <br />implemented to insure that the material is clean and inert: <br />1. The individual or company, other than the mine operator, delivering material to the <br />facility will be required to sign an affidavit certifying that the material is: clean and inert, <br />the originating source of the material, and the estimated volume. At the discretion of <br />the facility operator, the certification may also include an environmental audit of the <br />source site prepared by a Colorado Registered Professional Engineer or a Registered <br />Environmental Manager. <br />2. During the stockpiling process, the facility manager and those individuals who operate <br />the stockpiling equipment will conduct constant visual analysis of the delivered material <br />on a truck by truck basis. At a minimum, the visual evaluation will identify that the soil <br />does not have any hydrocarbon contamination, hazardous substances, or other solid <br />waste. <br />3. In the event that contaminated material is identified, all work in the immediate area will <br />cease and a Colorado Registered Professional Engineer or a Registered Environmental <br />Manager will be contacted by the facility operator. The qualified individual(s) will <br />prepare, supervise and implement a Remediation and Disposal Plan conducted in <br />accordance with the requirements of the governing regulatory agencies. <br />Once approximately 20,000 tons of used asphalt pavement and concrete rubble may been <br />stockpiled on-site where it will then be crushed to proper size, and stockpiled for use as <br />recycled materials in new construction. <br />HAUL ROAD - Private drive access to the site is gained from State Highway 141 which is well <br />maintained and in good repair. The alignment of the existing haul route extends to the mine <br />floor and is shown on the accompanying Mining Plan Map. As extraction of the resource occurs <br />the existing haul road will be extended across the mine floor. If necessary, speed limit and <br />other traffic control signs will be installed along the entire length of the haul road and within <br />the mine site. Water will be used on a continual basis to control dust on the haul road and <br />within the mining area. <br />Rev. 02/25/10 4 <br />Rev. 04/19/10