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<br />What are the ramifications due to dust? <br />As I note in item #9 below, blasting will be very <br />infrequent and dust ramifications would be no greater <br />than those associated with th$ ccatin::cus mirirq <br />operation. <br />4. Will a crushing operation be necessary to reduce <br />material size? <br />A crushing operation will be necessary but it will <br />not be necessary to crush more than 50,000 - 120,000 <br />tons of blasted rock on an annual basis. <br />5. What magnitude of ground vibration will result <br />(in./sec.)? What are the potential impacts? <br />With sequential blasting the ground vibration will be <br />less than 1-in./sec. within a few hundred feet of the <br />blast site. <br />6. Who will control/monitor the blasting activities? <br />The Eagle-Gypsum Products staff will control and <br />monitor the overall scope of blasting operations. <br />Thin control will include decisions on the need to <br />blast, scheduling of any blast, and enforcement of <br />guarding procedures. The actual blasting procedure <br />will be performed by a qualified contractor. <br />7. What are the effects, if any, on local groundwater <br />tables. <br />There would be no affect on <br />Exploration drilling in the <br />indication of any localized <br />feet and mining will never <br />point where any water table <br />River would be encountered. <br />groundwater tables. <br />mine area showed no <br />water up to depths of 250 <br />advance downhill to the <br />tributary to the Eagle <br />8. What are the wildlife impacts? <br />There should be no impact to wildlife. The lack of <br />water sad sparse vegetation in the mine area attracts <br />little or no wildlife. <br />9. What is the frequency and magnitude of blasting? <br />Continuous mining will remain as the primary method <br />of rock extraction so blasting would only be required <br />occasionally. Blasts in the range of 50,000-60,000 <br />tone might be required 2-3 times per year. <br />To put this into perspective, EGP~s maximum capacity <br />rock requirement is considered to be in the range of <br />400,000 ton per year. The continuous mining method <br />will provide for most of that tonnage requirement. <br />In summary, a provision for blasting is being sought to have <br />mining flexibility in the event that geology in certain <br />~ EAGLE <br />