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J4N27198�• <br />19 <br />1 <br />and, of course, all of the other agencies is that <br />2 <br />we are not going to cause a degradation of. water., <br />3 <br />May I use the blackboard? I don't want <br />4 <br />to have any counter production, but I do think that <br />5 <br />you have.to understand the problems, and maybe you do <br />g <br />already, but I'd like to show vou,very quickly <br />7 <br />what the real, problems are, and what we have to prove,.* <br />8 <br />we are doing to present, <br />9 <br />If you look at a cross section of water <br />10 <br />volume, our basin, for example, the things. you want <br />11 <br />to happen in there to keep the ecology as it should <br />12 <br />be, and to prevent any (bla.nk) or pollution, <br />13 <br />is to have, for example, a good misture of•all the <br />14 <br />elements that should be there. <br />15 <br />Oxygen is one of the primary ones. You <br />16 <br />have oxygen being released into the water from <br />s <br />f <br />o <br />17 <br />little plants and microorganisms, where the sun <br />a <br />0 <br />s <br />18 <br />starts them, but most of the oxygen comes from the <br />Z <br />19 <br />surface, the (blank), from the surface. <br />ti <br />m <br />20 <br />Obviously, you will not have a great deal <br />21 <br />of oxygen at the lower level unless you have something <br />Z <br />22 <br />that's doing to cause a mixing. In.nature, that occurs <br />23 <br />in various ways. <br />24 <br />In cold climates the upper level gets <br />25 <br />cold, and it sinks to the bottom, and (blank). In <br />