Regulacje i polityka gospodarcza · 4.11.2014

Partial Approval and Partial Disapproval and Promulgation of Air Quality Implementation Plans; Wyoming; Revisions to Wyoming Air Quality Standards and Regulations; Nonattainment Permitting Requirements and Chapter 3, General Emission Standards

EPA is proposing to disapprove a portion of State Implementation Plan (SIP) revisions submitted by the State of Wyoming on May 10, 2011. This submittal revises the Wyoming Air Quality Standards and Regulations (WAQSR) that pertain to the issuance of Wyoming air quality permits for major sources in nonattainment areas. Also in this action, EPA is proposing to approve SIP revisions submitted by the State of Wyoming on February 13, 2013, and on February 10, 2014. These submittals revise the WAQSR with respect to sulfur dioxide (SO 2 ) limits and dates of incorporation by reference (IBR). This action is being taken under section 110 of the Clean Air Act (CAA).