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0010 <br /> General Shale <br /> Building The American Dream* <br /> Dust Abatement Plan During Periods of Mining Activity <br /> Heavy Equipment Traffic <br /> If practical prior to the start of mining the recycled asphalt pavement(RAP) from the main <br /> access road will be salvaged, stockpiled, and spread back out on the access road post mining <br /> campaign when mining is complete. <br /> Any waste brick located on the roads, ditches or clay stockpile pad areas will be salvaged and <br /> reused if practical in roads, stockpile pad areas, and ditches. <br /> When clay is mined from the pit the primary dust concern will be dust generated from heavy <br /> equipment traffic from the pit to the product stockpile. <br /> A water truck will be kept onsite and utilized as often as necessary to minimize fugitive dust <br /> generated from heavy equipment traffic roadways. <br /> Stockpile pad areas and other open areas will be watered to minimize dust from these areas. <br /> Water will be obtained from the mine pit which has a well permit, SEO Well Permit 76233-F, <br /> through the state engineer's office. <br /> Heavy equipment speeds will be reduced when dust presents an issue until the water truck can <br /> reduce dust. <br /> During high wind events that last more than I hour and fugitive dust is leaving the property <br /> boundary, the mining operation will be temporarily suspended until the high winds slow down. <br /> The mining operation may continue if the water truck can keep up with the fugitive dust during <br /> this high wind event. <br /> Stockpiles <br /> When mining is complete the topsoil and overburden-interburden stockpile will be seeded with <br /> the permitted topsoil seed mixture in the spring, fall or winter if frost is not an issue. The <br /> stockpile(s) will be covered with a tackifier or grog(only on slopes located interior to the mine) <br /> to minimize dust until suitable stand of grass established. If the stockpile(s) are completed <br /> during the summer or when seeding is impractical the stockpile(s) will be covered with tackifier <br /> or grog (only on slopes located interior to the mine)to minimize dust and then seeded in the next <br /> available growing season. <br /> Clay stockpiles will not be seeded to minimize vegetation contamination into the raw material. <br /> However, it is most likely that the clay stockpiles, the longer they occur at the site, will establish <br /> grass on them. From past experience the clay stockpiles develop a thin surface crust that protects <br /> them from wind erosion. <br /> General Shale, 1845 West Dartmouth Avenue,Denver Colorado 80110 Page 4 of 5 <br /> T: 1-800-477-9002 1 F: 1-303-781-1818 1 www.generaishale.com <br />