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158 <br />1 you wanted 12. In the event that you saw migration <br />2 through that and elevated risks -- elevated levels <br />3 in Ralston, what would be the response in that <br />4 situation? <br />.5 MR. BIRD: My first preference would <br />6 be to reverse the gradient back to the mine pool, <br />7 and that could be done with dewatering, and then the <br />8 dewatering, something has to be done with the pumped <br />9 water, which would be treatment. <br />10 MR. KING: And how would that take on <br />11 an emergency basis? <br />12 MR. BIRD: Well, there are enormous <br />13 pumps available out there. Mr. Stover and Ms. Wyman <br />14 are probably a little more knowledgeable on this <br />15 right now. But there are pumps that can pump <br />16 thousands of gallons per minute which would have an <br />17 immediate effect. <br />18 If we know that the inflow rate is on <br />19 the order of hundreds of gallons a minute, we can <br />20 stay well. ahead of .it -with .pumps_tha.t. are pumpi,n,g.___._... <br />21 thousands of gallons a minute. Can't give you a <br />22 specification number. <br />23 MR. KING: And it goes to that <br />24 risk-benefit analysis, if you have stream flow into <br />25 Ralston Reservoir, you know, what kind of <br />