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• <br /> 3. PLAN OF OPERATION FOR THE SITE: <br /> The mining will remain the same as that of the existing operation. The <br /> gravel is removed from the bank by use of front end loaders to an approximate <br /> elevation of 965 feet. No explosives are being used at this site. Gravel is not <br /> being excavated below water at this time, however gravel of sufficient quality <br /> may be excavated to the water table. The raw gravel is crushed and screened in <br /> an area close to the excavation bank. The steep slopes here help to isolate the <br /> noise of the operation. After crushing and/or screening, the various products are <br /> conveyed to stockpiles until they are loaded onto trucks for delivery offsite by the <br /> material licensee. <br /> Generally, the mining will continue to the south where it adjoins the Tiller <br /> Corporation property. The interim reclamation/rehabilitation portion of this <br /> property plan is the utilization of this mined space as a licensed/permitted mixed <br /> municipal solid waste sanitary landfill. (See Site Operations Map, Page 6B) <br /> The shop facility is owned by Elk River Landfill, Inc., and supports both Elk River <br /> Landfills' operation as well as Straightlines' mining activity. This activity also <br /> • includes equipment maintenance and repair as well as equipment storage for <br /> both companies. <br /> 4. PERMITS AND LICENSE SECTION: <br /> A. DRAINAGE AND WATER QUALITY: <br /> Because Elk River Landfill, Inc. owns the property, it is Elk River <br /> Landfill's obligation to maintain the appropriate NPDES permits. Drainage is <br /> contained on site. Runoff is managed by being directed to low areas of the pit <br /> where sediments are removed and the water infiltrates the soil. This plan <br /> complies with the requirements of ERL's Storm Water Permit issued by the <br /> Minnesota Pollution Control Agency. A copy of the most recent Annual <br /> Complianace Report, dated April 10, 1995, is found attached. (See Appendix <br /> #1B, page 15). <br /> Mining operations comply with all regulatory agencies in order to maintain <br /> water quality. In order to minimize the chance of spilling fuel or lubricants, the <br /> machinery is serviced in the shop facility. (See Appendix#2 for Job Safety <br /> Practice Sheet #5-105, page 16, relevant to this text). Existing fuel storage tanks <br /> • are above ground and the new tank planned for installation by ERL will have <br /> secondary containment walls. All fuel pumps have locking devices. <br /> 11 <br />