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CLARKSON: It's not consumed. <br />NANCE: No, it's a single pass cooling and out it goes. <br />BUNN: Do you know what the projected future pumping in the Onomea Aquifer system is? <br />NANCE: Well, I know that the County land use and development plan shows very large <br />numbers. I can't remember exactly. It's based on potential development, but, you know, the <br />realities of what might happen from my perspective anyway, my view, is that it's neverI don't <br />want to say my lifetime `cause I'm pretty old, but in a foreseeable future, it wouldn't exceed five <br />million gallons a day. <br />BUNN: And, how about in the Hilo Aquifer system if you exclude the water that's essentially <br />recycled for cooling water? <br />NANCE: Again, another five million gallons a day excluding the power plant pumpage. <br />BUNN: Okay. Mr. Fuke submitted a December 20th, 2018, letter to the Commission and it <br />included a memorandum that you apparently drafted answering some questions that were asked <br />by the Commissioners at the December 6th meeting. I just, I have a few questions for you, but I <br />want to first make sure that what's attached to Mr. Fuke's letter is the memorandum that you <br />drafted. <br />NANCE: Yes, it is. <br />BUNN: Okay. First, I just wanted to ask you about some of the terms that you use in that letter <br />because some of them I was seeing for the first time. And, you used earlier as well the term <br />"artesian." Can you explain what an artesian aquifer is? <br />NANCE: Well, an artesian aquifer is one that has a capping formation that confines it so that the <br />water is actually under pressure, so, and that's the case here, and once we cut this open, you'll <br />see that artesian pressure move the water up the hole as a result. <br />BUNN: Okay. <br />CLARKSON: And, excuse me, and it's under pressure because that layer is gradually going <br />uphill and you have hydraulic head from further up. <br />NANCE: That, plus the fact that you've got all this salt water, denser salt water, and as soon as <br />you open this up, even if it wasn't being pushed from up mauka, this water would raise up <br />twenty -odd feet just so that the column of freshwater had the same density as the column of salt <br />water. <br />BUNN: Okay, it sounds like it might be related, but you also used the term piezometric head. <br />Could you explain what that is? <br />EXHIBIT D <br />15 <br />