Designation of Areas for Air Quality Planning Purposes; Wyoming; Redesignation of Particulate Matter Attainment Areas

Zusammenfassung

In this document, the EPA is proposing to approve the State of Wyoming's December 19, 1994 request to redesignate the Powder River Basin particulate matter attainment area to exclude the Kennecott/Puron Prevention of Significant Deterioration (PSD) Baseline area, pursuant to section 107 of the Clean Air Act. EPA is also proposing to designate the Kennecott/Puron PSD Baseline area as a separate particulate matter attainment area. In the final rules section elsewhere in this Federal Register, the EPA is acting on the State's request in a direct final rule without prior proposal because the Agency views this action as noncontroversial and anticipates no adverse comments. A detailed rationale for the action is set forth in the direct final rule. If no adverse comments are received in response to this proposed rule, no further activity is contemplated in relation to this rule. If the EPA receives adverse comments, then the direct final rule will be withdrawn and all public comments received will be addressed in a subsequent final rule based on this proposed rule. The EPA will not institute a second comment period on this document. Any parties interested in commenting on this document sh