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`'ti STATE OF <br /> ACOLORADO Scott - DNR, Eric <eric.scott@state.co.us> <br /> Reagent Testing at Climax <br /> 1 message <br /> McGill, Brian <Brian_McGill@fmi.com> Tue, Jan 19, 2016 at 10:08 AM <br /> To: "eric.scott@state.co.us" <eric.scott@state.co.us> <br /> Cc: "Lazuk, Raymond" <Raymond_Lazuk@fmi.com> <br /> Hi Eric, <br /> Hope all is going well. Climax Metallurgy would like to run a short test on two new reagents in attempt to <br /> improve upon the froth quality in the flotation area. The reagents include FP509 and FP706 (SDSs attached) <br /> which are both Nalco products. We would like to add around 150—200 cc/min of a 50:50 mix of the FP509 and <br /> FP706 at the cyclone underflow and 15 cc/min of the same mixture at the at 3rd cleaner conditioner. A 55-gallon <br /> drum of each test reagent will be brought and placed on a secondary containment pallet within the mill building <br /> which will provide tertiary containment in the event of any spills. The test is scheduled to last around 4 days. In <br /> the event that we see any issues with our process from the reagent testing, we will discontinue the test and <br /> dispose of the remaining chemical in accordance with waste regulations. We will be plan to update to the EPP if <br /> we decide to make this a permanent change. <br /> Please let me know if you have any concerns. We would like to begin testing as soon as possible. <br /> Thanks, <br /> Brian <br /> Brian D. McGill <br /> Chief Environmental Engineer <br /> Climax Mine <br /> Highway 91-Fremont Pass <br /> Climax, CO 80429 <br /> office: 719.486.7718 <br /> cell: 719.271.3394 <br /> fax: 719.486.2251 <br /> email: Brian_McGill@fmi.com <br />