To meet requirements of the Federal Clean Air Act, the Utah State Implementation Plan (SIP) must be incorporated by reference into these rules. Copies of the SIP are available on the division's website.

KEY: air pollution, PM10, PM2.5, ozone

Date of Last Change: July 2, 2025

Notice of Continuation: December 1, 2021

Authorizing, and Implemented or Interpreted Law: 19-2-104