Air Quality Advisory Board Meeting - December 15, 2025

Air Quality Advisory Board Meeting

The Wyoming Department of Environmental Quality (DEQ)

Air Quality Division Air Quality Advisory Board Meeting

The Wyoming Air Quality Advisory Board (Board) will meet on December 15, 2025 at 9:00 AM. The meeting will be held both as a virtual public meeting and in person at 200 W. 17^th St., Cheyenne, WY, 2nd Floor, Room 211. To attend the meeting remotely, please click the following Zoom link: https://deq-wyoming-gov.zoom.us/j/84700365969?pwd=TjRXDL9kbv01CSMej9uIaJLVScFijS.1

The Air Quality Division (Division) is requesting the Board's consideration on proposed changes to the following Wyoming Air Quality Standards and Regulations (WAQSR):

• Chapter 2 Ambient Standards
• Chapter 3 General Emissions Standards
• Chapter 4 State Performance Standards for Specific Existing Sources
• Chapter 5 National Emission Standards
• Chapter 6 Permitting Requirements
• Chapter 8 Nonattainment Area Regulations
• Chapter 11 National Acid Rain Program
• Chapter 14 Emission Trading Program Regulations

The proposed rulemaking involves revising the Incorporation by Reference (IBR) sections in the aforementioned chapters of the WAQSR to incorporate all Code of Federal Regulations citations as of July 1, 2025.

The proposed revisions to Chapter 2, Section 12, Chapter 3, Section 9, Chapter 6, Section 14, and Chapter 8, Section 10 involve changes to the Wyoming State Implementation Plan (SIP). The Division will submit these SIP revisions to the Environmental Protection Agency. The Division will also provide the Board with general updates on current activities and topics pertaining to air quality.

The public is invited and may comment on all matters during the Board meeting. All oral comments made during the meeting will become part of the administrative record. Written comments will also become part of the administrative record if they are signed by the commenter and submitted to Amber Potts, Administrator, DEQ Air Quality Division, 200 W. 17^th St., Cheyenne, Wyoming, 82002, or faxed to 307-635-1784 by 5 p.m. (MST) on December 15, 2025. Electronic comments may only be submitted by filling out the public comment form provided at:

https://aq.wyomingdeq.commentinput.com/ . Email comments will not be accepted.

Copies of the agenda, public notice, and proposed rule changes are available for public inspection at the DEQ, Air Quality Division, 200 W. 17^th St., Cheyenne, Wyoming, 82002, or electronically at: http://deq.wyoming.gov/aqd/rule-development/resources/proposed-rules-and-regulations/ . Para español, visite https://deq.wyoming.gov

If you have questions regarding the meeting or to request a hard copy of any of the materials, please contact Jon Chenchar at 307-777-2068. For additional information, please contact Amber Potts, Administrator, Air Quality Division, at 307-777-3746.

In accordance with the Americans with Disabilities Act, special assistance or alternative formats will be made available upon request for individuals with disabilities.

In accordance with the Americans with Disabilities Act, special assistance or alternative formats will be made available upon request for individuals with disabilities.

Stay informed:

We encourage you to sign up for our WDEQ Air Quality Division Rules and Regulations email notices so you can receive ongoing updates on proposed rules and regulations, meetings, public hearings and more.

Thank you for your interest in the Wyoming Department of Environmental Quality's mission.

"To protect, conserve and enhance the quality of Wyoming's environment for the benefit of current and future generations."