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Wastes <br />1. Nom-mining related solid wastes (including, but not limited to, -tires, hoses, and plastic <br />sheeting) would be stored in a roll-off container for off-site disposal. A mine <br />contractor would empty the container and dispose of the contents on a regular basis. <br />Solid waste would be properly disposed of in accordance with state and local <br />regulations. <br />2. Small volumes of waste oil, crank case oil, antifreeze, and non-chlorinated solvents <br />would be stored in the maintenance shop or in locked storage containers. Waste <br />products of these chemicals collected as a result of routine vehicle and equipment <br />maintenance would be stored in steel drums in the maintenance shop or within a <br />plastic- and earthen-lined bermed area and would be picked up on a periodic basis by <br />a mine contractor for disposal or recycling. These materials would be handled and <br />disposed of in accordance with federal, state, and local regulations. All other solid <br />wastes (including, but not limited to, tires, hoses, and plastic sheeting) would be <br />properly disposed of in accordance with state and local regulations. <br />3. A permitted septic system is located west of the Topaz Mine maintenance shop. The <br />septic system is not currently in use. However, it may be used in the future during <br />mining operations. Sanitary waste disposal service is currently provided to the Topaz <br />Mine by portable toilets that are serviced by a contractor. <br />Transportation <br />The Operator is responsible for ensuring that radiation levels from hauling operations <br />fall within applicable DOT limits as specified in 49 CFR 173.427(a)(1). These <br />requirements state that the external dose rate may not exceed a radiation level of <br />1,000 mrem/hr at 3 meters from the unshielded material. Based on the grade of the <br />uranium ore from the Sunday Mines, the exposure rate would be less than 1 millirem <br />per hour (mrem/hr) to recipients standing outside of the truck. As a result, the <br />requirements at 49 CFR 173.427(a)(1) are expected to be satisfied. <br />2. Requirements at 49 CFR 173.427(a)(5) and 173.441(a) state that under conditions <br />normally incident to transportation, the radiation level shall not exceed 200 mrem/hr <br />at any point on the external surface of the package and the transport index shall not <br />exceed 10. These requirements are also expected to be satisfied in all cases. The <br />average reading in the occupied space of each truck cab is not expected to exceed the <br />DOT limit of 2 mrem/hr as specified in 49 CFR 173.441(b)(4). In addition, the <br />Operator would perform (and document for the record) spot gamma surveys on <br />uranium ore shipments as appropriate in order to ensure that the regulatory standards <br />are satisfied. <br />E <br />LJ <br />The Operator's transportation policy specifies that ore trucks must be covered at all <br />times, with or without ore, except for loading and unloading using a tarpaulin or other <br />suitable mechanism. With regard to accidents and other incidents involving the <br />spillage of uranium ore, the policy states that the transportation contractor is <br />responsible for handling the accident and that the contractor must have an Emergency <br />Response Plan in case of emergency. • <br />A-4