WASHINGTON, May 8 -- Environmental Protection Agency has issued a rule called: Air Plan Approval; Colorado; Interim Final Determination To Stay and Defer Sanctions in the Denver Metro/North Front Range 2008 Ozone Nonattainment Area.
The rule was published in the Federal Register on May 8 by Cyrus M. Western, Regional Administrator, Region 8.
Summary: In the Proposed Rules section of this Federal Register, EPA is proposing approval of portions of State Implementation Plan (SIP) submissions from the State of Colorado dated June 26, 2023, May 23, 2024, and April 2, 2025. The submissions relate to Colorado Air Quality Control Commission Regulation Number 7 (Reg. 7) and Regulation Number 25 (Reg. 25) and address Colorado's SIP obligations for ...