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4.2 Materials Handling and Spill Prevention <br /> • The diesel fuel tank will be stored out of the direct traffic routes. The fueling area will have steel posts <br /> installed to prevent accidental contact with the fuel pump. The fuel tank will be surrounded by earthen <br /> berms of sufficient size and capacity to contain the full amount of the fuel tank should a leak or rupture <br /> occur. In the event of a spill, this site has sufficient earthmoving equipment to contain the liquid and <br /> prevent its movement off-site. <br /> The vehicle parking area will be inspected on a weekly basis to verify that there are no areas where <br /> vehicle fluid drips or spills are accumulating. All mining equipment will be inspected on a daily basis <br /> for signs of leaks or drips. All equipment will be thoroughly inspected on a monthly (or sooner) basis, <br /> and the information recorded on the attached forms. Preventive maintenance will be employed with all <br /> equipment on site. <br /> Miscellaneous oils and vehicle fluids may be stored in small quantities in the trailer near the office. No <br /> drums or barrels of liquids will be stored outdoors. <br /> All garbage and waste materials shall be picked up and disposed of regularly. The perimeter of the site <br /> should be policed on a monthly (or more frequently) basis to gather incidental debris that may <br /> accumulate against the fences. All refuse dumpsters and receptacles shall be equipped with functional <br /> lids to prevent precipitation from entering the containers. Where possible, refuse and waste storage <br /> should take place indoors, in a safe and sanitary fashion. <br /> All containment berms will be inspected on a weekly basis, and immediately following any storm event, <br /> to ensure the integrity of the berm. Any problems noted, or areas of concern will be repaired as quickly <br /> as possible to prevent the spread of any contaminants to the waterways. <br /> 4.3 Erosion and Sediment Controls <br /> The site access point will be paved to prevent carrying dirt and materials onto the I-25 Frontage Road. <br /> The interior haul routes will be stabilized by water applications for the life of the mine. The routes <br /> outside the active mining area will be revegetated or maintained as access for the future lakes. <br /> Stockpiles have the potential for releasing sediment to stormwaters. Topsoil and overburden material <br /> generally is kept so that a reserve is available for the anticipated use during the current year. This <br /> practice minimizes the amount of disturbed ground surface, which would be susceptible to erosion by <br /> stormwater runoff. All topsoil and/or overburden stockpiles will be seeded with a fast growing cover <br /> crop to protect them from wind and water erosion, in the event they are to be left undisturbed for more <br /> than one growing season. The stockpiles will also have erosion control ditches cut at the base to prevent <br /> the transport of sediment. A detail of the ditch is included at the end of this narrative. <br /> A sediment pond will be installed at the location(s) of the dewatering pump/discharge point. This pond <br /> will be sized to allow for settlement of suspended solids in the dewatering discharge. No chemicals or <br /> flocculents are expected to be used with the settling pond(s). <br /> 3 <br />