This rule establishes the application and permitting requirements for new installations and modifications to existing installations throughout the state. Additional permitting requirements apply to larger installations or installations located in nonattainment or maintenance areas. These additional requirements can be found in Rules R307-403, R307-405, R307-406, R307-420, and R307-421. Modeling requirements in Rule R307-410 may also apply. Each of the permitting rules establishes independent requirements, and the owner or operator shall comply with each of the requirements that apply to the installation. Exemptions under Rule R307-401 do not affect applicability of the other permitting rules.

KEY: air pollution, permits, approval orders, greenhouse gases

Date of Last Change: December 19, 2025

Notice of Continuation: May 4, 2022

Authorizing, and Implemented or Interpreted Law: 19-2-104(3)(b)(iii); 19-2-108