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4/24/2014 State.co.us Executive Branch Mail - Bowie No. 2 Mine C1996083 TR -150- CPW Comments Received <br />Burgmaier - DNR, Susan <susan.burgmaier @state.co.us> Thu, Apr 24, 2014 at 9:18 AM <br />To: Bill Bear <BBear @bowieresources.com >, Jim Stover <jestover @bresnan.net> <br />Cc: Alysha Hernandez - DNR <alysha.hernandez @state.co.us >, Sandy Brown - DNR <Sandy.Brown @state.co.us> <br />Bill and Jim - please see the comments received from Colorado Parks and Wildlife. <br />Susan L. Burgmaier <br />Environmental Protection Sytecialist III <br />Coat Regutatory Program <br />COLORADO <br />Division of Reclamation, <br />A&17 Mining and Safety <br />Department of Natural Resources <br />P 303.866,3567 x 8111 I F303.832.8106 <br />1313 Sherman Street, Room 215, Denver, CO 80203 <br />susan.burgmaier@state.co.us I http : / /mining.state.co.us <br />Susan- <br />did get the photo of the flume and have passed it along to our aquatic biologist for review. We understand that <br />you decision on the project is due today. We recommend avoiding any in- stream work between June 1- <br />September 1 to protect spawning for native cutthroat trout. <br />In addition, we recommend disinfecting heavy equipment, hand tools, boots and any other equipment that was <br />previously used in a river, stream, lake, pond, or wetland prior to moving the equipment to another water body to <br />avoid spreading aquatic nuisance species and fish parasites. The disinfection practice should follow this outline: <br />a. Remove all mud and debris from equipment and spray /soak equipment with a 1:15 solution of <br />disinfection solution containing the following ingredients: <br />1. Dialkyl dimethyl ammonium chloride, 5 -10% by weight; <br />2. Alkyl dimethyl benzyl ammonium chloride, 5 -10% by weight; <br />3. Nonyl phenol ethoxylate, 5 -10% by weight; <br />4. Sodium sesquicarbonate, 1 -5 %; <br />5. Ethyl alcohol, 1 -5 %; and <br />6. Tetrasodium ethylene diaminetetraacetate, 1 -5 %; <br />https: / /mai l.g oog le.conVmai 1 /u /0 / ?ui =2 &i Ire29129fcb5 &view = pt &search =i nboy&th= 1459451 bbafaO42f &si ml= 1459451 bbafaO42f 1/3 <br />