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<br /> <br />l';;,.;,.'il,:j;<!!",j-_ <br /> <br />DEe 2 ? 199) <br /> <br />e <br /> <br />,-- <br />- <br />- <br /> <br />LIi5SJ:H <br /> <br />B.A. LIESCH ASSOCIATES, INC. 13400 15TH AVE. N. MINNEAPOLIS, MN 55441 612/559-1423 FAX: 612/559-2202 <br /> <br />MEMORANDUM <br /> <br />TO: STEVEN ROHLF - CITY OF ELK RIVER <br />JOHN LICHTER - B.A. LIFSCH ASSOCIATES 817 <br /> <br />FROM: <br /> <br />DATE: <br /> <br />DECEMBER 22, 1993 <br /> <br />RE: <br /> <br />RENEWAL OF NRG CONDITIONAL USE PERMIT <br /> <br />. <br /> <br />Based on our recent telephone conversations, I have reviewed several issues in regard to <br />the Conditional Use Permit (CUP) renewal request forwarded by NRG. At this time, I <br />have not received all information that has been requested from NRG, however, based on <br />our discussions, I believe the information they submit will not impact the findings of this <br />memorandum. I had conversations with Mr. Joseph Weinhold of NRG concerning <br />environmental issues at the NRG facility. <br /> <br />I have confirmed the following issues with Mr. Weinhold: <br /> <br />1. The Fenwall system has been switched from Halon to a sodium bicarbonate system <br />thus eliminating the discharge of CFCs from the system. <br /> <br />2. Mr. Weinhold indicated that their water supply testing in the plant exceeded MDH <br />EP A standards for copper in the softened water supply based on two samples taken <br />in the janitor's sink and the bathroom sink. It is anticipated by Mr. Weinhold that <br />these levels may fall within drinking water standards in the unsoftened drinking <br />water source. Samples confirming test results from the drinking water sources will <br />be collected in January and analyzed shortly thereafter. <br /> <br />3. The metals levels present in run-off water on-site has been below the drinking <br />water standard or RAL for lead and cadmium, the two metals that we have been <br />analyzing in surface water run-off on the facility. <br /> <br />. <br /> <br />Based on my conversations with you and Mr. Weinhold, it is not likely that NSP has <br />exceeded the tonnage requirement of 1526 tons per day on an average annual through-put <br />basis in their existing permit and license from the City. <br />