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Hydrologic Data lntrrprrratian and lmpacr Asfasmrnt for the Prmdt and Adjacent Arear <br />• F Seam <br />MCC plans no further mining activities in <br />the F seam. <br />B Seam <br />During 1994, longwall panel and mains <br />development and longwall retreat mining <br />will continue. Development of the 4th and <br />5th Northwest panel will be completed. <br />Longwall mining of the 3rd and 4th panel is <br />planned. Development of the 5th Northwest <br />panel and some of the 6th Northwest panel <br />will also be completed. The B West Mains <br />development will continue westward to the <br />location of the 5th Northwest panel, <br />l~ <br /> <br />Water Quality <br />Mine water inflow for WY 1994 is expected <br />to be less than that experienced during WY <br />1993. Only the amount of water necessary <br />for mining will be imported into the mine. <br />Accordingly, 1994 should pose no problem <br />for discharge. The discharges should readily <br />meet NPDES effluent limitations after set- <br />tling and should not measurably impact <br />receiving waters. Quality of water dis- <br />charged in WY 1994 should be similaz to <br />the WY 1993. <br />Adequacy <br />The monitoring program as established and <br />irnplemented, appears to provide the infor- <br />mation required to assess impacu of the <br />mining activities to the hydrology in the <br />vicinity of the West Elk Mine. <br />17 <br />