EPA is approving a State Implementation Plan revision submitted by the State of Wyoming. On December 21, 2012, the Governor of Wyoming's designee submitted to EPA revisions to Wyoming's Air Quality Standards and Regulations Chapter 8, Nonattainment Area Regulations, involving Section 3 of Chapter 8 that addresses general conformity requirements and a new Section 5 to Chapter 8 that involves incorporation by reference. The SIP submission addresses revisions and additions to Wyoming's general conformity requirements in order to align them with the current federal general conformity regulation requirements and incorporates by reference those sections of the Code of Federal Regulations that are referred to in the State's general conformity requirements. EPA is approving the submission in accordance with the requirements of section 110 of the Clean Air Act.