128 * 



ii 



a study to determine if it is reasonable to believe that the sources 

 named in the Forest Service Certification are causing or contributing 

 to any of the visibility impairment in the Class I area. The third 

 step in the State of Colorado's process is to require the source (s) to 

 apply for a Best Available Retrofit Technology (BART) permit that 

 identifies required emission reductions. 



The Forest Service is further cooperating by participating in the 

 Zirkel Air Quality Study Collaborative which was formed as an advisory 

 group to promote: 



(1) Cooperation between the various participants to coordinate and 

 where possible jointly plan and develop information about the air 

 pollution impacts in the Mount Zirkel Wilderness, their sources 

 and potential solutions; 



(2) A timely, responsibe and inclusive regulatory process; 



(3) Communication and exchange of perspectives between various 

 interested parties; and 



(4) Communication with the general public. 



Members include representatives of 11 organizations/entities including 

 the Colorado Air Pollution Control Division, Forest Service, EPA, 

 Routt County, Environmental groups and the owners of the Hayden and 

 Craig power stations. 



The Forest Service, in close cooperation with the State of Colorado, 

 has also taken the opportunity to coordinate monitoring and analysis 

 activities with some of the best visibility and atmospheric deposition 

 experts in the country, including those in the EPA, USGS, and NPS. 



