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Air Quality Awareness Week

WyVisnet Monitoring Network

Air Enforcement Actions

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Ownership Change Forms

Did you know that Ownership Change Forms should be filled out when facility acquisitions occur and/or company name changes take place? The Air Quality Division has attached the Change of Ownership Forms for Minor Sources and Title V Facilities below for your convenience. These forms need to be completed and mailed to the following address:

ATTN: Planning Section

Wyoming DEQ - Air Quality Division
200 W 17th St, Ste 300
Third Floor
Cheyenne, WY 82002

It is important to submit completed ownership changes in a timely manner as IMPACT portal users will not have access to newly-acquired facilities until the completed forms are received and processed.

If you have any questions about ownership changes, please feel free to email deq-air-impact@wyo.gov or contact a staff member by phone at 307-777-7391.

Below are forms associated with ownership change.

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AQD Staff Directory

Public Comments Online Portal

Proposed Rules and Regulations

The Air Quality Division proposed Rules and Regulations, State Implementation Plans, Air Quality Advisory Board Meetings, and the associated Public Notices may be found in the files below. If you have questions regarding any of the materials, please contact Amber Potts at 307-777-2489.

The Wyoming Air Quality Advisory Board (Board) will meet on July 11, 2023 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, 3^rd Floor, Room 313. To attend the meeting remotely, please register at https://deq-wyoming-gov.zoom.us/meeting/register/tZUkc-2prz8uH9wDUzEFCLZ3iv4rTHEsEXoC

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 8 Nonattainment Area Regulations
Chapter 11 National Acid Rain Program
Chapter 14 Emission Trading Program Regulations

The proposed rulemaking involves:

Removing outdated State Plan requirements that have been superseded by a Federal Plan in Chapter 4.
Revising the incorporation by reference sections in the aforementioned chapters of the WAQSR to incorporate all Code of Federal Regulations (CFR) citations as of July 1, 2023.
Various updates to chapter formatting, typographical revisions, and improvements to the general readability of the regulations that occur throughout the seven chapters.

The proposed revisions to all seven chapters involve changes to the Wyoming State Implementation Plan (SIP). The Division will submit these SIP revisions to the Environmental Protection Agency once the rule is adopted by the Governor.

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

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Rules and Regulations

All official Wyoming State Rules and Regulations are kept at the Wyoming Secretary of State's Office. Click here to view all current Rules and Regulations.