Wyoming Administrative Code
Agency 020 - Environmental Quality, Dept. of
Sub-Agency 0002 - Air Quality
Chapter 6 - Permitting Requirements
Section 6-1 - Introduction to permitting requirements

(a) Chapter 6 establishes permitting requirements for all sources constructing and/or operating in the State of Wyoming. Section 2 covers general air quality permitting requirements for construction and modification as well as minor source permits to operate. Notwithstanding the requirements of Section 2(a)(i) and (iii), a preconstruction permit under Section 2 is not required for the pollutant Greenhouse Gases (GHGs) unless the facility or source is also required to obtain a permit for GHGs under Chapter 6, Section 4. Section 3 is the state operating permit program required under Title V of the Clean Air Act. Section 4 is the prevention of significant deterioration (PSD) program. The Section 5 language regarding permitting requirements for major sources of hazardous air pollutants for which a MACT (Maximum Achievable Control Technology) standard has been established under section 112 of the Clean Air Act has been removed from Chapter 6, and is now covered under Chapter 5, Section 3. Section 6 covers permitting requirements for major sources of hazardous air pollutants for which a MACT standard has not been established under section 112 of the Clean Air Act. Section 7 establishes the terms under which clean air resource allocations expire. Section 8 is reserved. Section 9 establishes Best Available Retrofit Technology (BART) requirements and provides guidelines for identifying sources subject to BART. Sections 10, 11 and 12 are reserved. Section 13 covers permitting requirements for new and modified major stationary sources located in a nonattainment area. Section 14 incorporates by reference all Code of Federal Regulations (CFRs) cited in this chapter, including their Appendices.