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All other ventilation systems which are exhausting to <br /> atmosphere have an acceptably low airborne contaminate level . <br /> These systems are normally used in welding and vehicle <br /> maintenance shops and mine ventilation. <br /> All combustion of fuel for heating purposes is either <br /> natural gas or propane with a small percentage of fuel oil used <br /> as a backup. These systems are a clean burning , low emissions <br /> level source . <br /> During April 1977 , Climax was notified by the Colorado <br /> Department of Health, Air Pollution Control Division, that it <br /> was in compliance with the requirements of 25-7-112 (C.R.S. <br /> 1973 ) of the Air Pollution Control Act as pertains to Air Con- <br /> taminant Emission Notices . The Division also noted that Climax <br /> has obtained the necessary emission permits for specific <br /> operation at Climax . Appendix C lists the Air Contaminant <br /> Emissions Notices presently held by Climax and the "Permit to <br /> Operate" permits for the specific operations mentioned above. <br /> Fugitive Dust ,Control <br /> Climax is involved in an intensive fugitive dust <br /> suppression program. <br /> Following several years of research and e testing " <br /> of a number of chamical stabilizers , a product called Coherex \ <br /> was determined to be the superior treatment for control of <br /> fugitive dust control from the tailing ponds due to the nature <br /> of the tailing ponds, it was necessary to purchase all-terrain <br /> vehicles to apply the Coherex. Currently a Flex-Trac Nodwell <br /> all-terrain vehicle and two (2 ) five-wheeled , rubber-tired <br /> Terra-Gator are utilized. The Flex-Trac is capable of <br /> transporting a 1 , 500 gallon capacity tank while exerting less <br /> than four psi from the track. The Terra-Gator transports a <br /> 2, 800 gallon tank and exerts 25 psi . The machines are very <br /> complimentary to each other in performance capabilities in <br /> respect to terrain and time efficiencies. Water is added to the <br /> Coherex at a 9: 1 dilution ratio. The material is applied at <br /> approximately one-half gallon per square yard . Folding spray <br /> booms allow covering of 30-to-50 foot swaths in one pass . <br /> 7-10 <br />