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u <br /> <br />• For the purposes of addressing the impacts of the ore transportation <br />system upon the urban area closest to the mine, the Colorado Department of <br />Health (CDH) collected dust samples from roadways along the route used by the <br />highway trucks, and found concentrations of uranium below that which is <br />expected to occur naturally along the Front Range of Colorado. The only <br />recommendation made by CDH was that the ore in the trucks be covered with <br />tarps. <br />Cotter Corporation employs a contractor, a Canon City trucking company, <br />to load, weigh and haul the ore grade material from the ore shipment; pad to <br />the Cotter Mill in Canon City. This represents a haulage distance of about <br />130 miles. Each of the contractor's highway ore trucks is designed to haul <br />25 tons, and each is equipped with a tarp which covers the ore in transit. <br />The combined shipment of run-of-mine ore and sorted ore requires <br />between 18 and 22 trips to Canon City per day. The contractor, Berta Brothers <br />Trucking Company, has been hauling ore from the Schwartzwalder Mine to Canon <br />City since 1457 and has not experienced an accident resulting in ore spillage <br />on public highways during this period. <br />The ore hauled to Canon City is characterized by uranium concentra- <br />tions greater than 0.015%, with an average grade of 0.35%, and contains <br />uranium in concentrations well below that which is contained in yellowcake <br />(U306). <br /> <br /> <br />4-2 <br />