2023 State Area Designations Regulation

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This page last reviewed Noviembre 28, 2023

2023 Amendments to Area Designations for State Ambient Air Quality Standards

Hearing Date(s)
Public Comments Received
Erratum
Final Approval / OAL Action

OAL approved this rulemaking and filed with the Secretary of State on July 31, 2024. The amendments are effective October 1, 2024. 

Final Statement of Reasons
Final Regulation Order
Alternate Format to the Final Regulation Order
Adopted Regulations and Materials Submitted to OAL

The final rulemaking package was submitted to OAL on June 18, 2024. OAL has until July 31, 2024, to make a final determination.

Final Statement of Reasons  (See Revised Above )
Updated Informative Digest
Final Regulation Order  (See Revised Above )
Alternate Format to the Final Regulation Order  ~See Revised Above~
Hearing Action and Supplemental 15 Day Notices
Resolution 24-1
Public Hearing Notice and Related Material

Posted November 28, 2023

Notice of Public Hearing  (Deadline to Submit Public Comments: January 16, 2024, or at the Public Hearing)
Staff Report: Initial Statement of Reasons
Appendix A-1: Proposed Regulation Order
Appendix A-2: Alternate Version of the Proposed Regulation Order
Appendix B: Area Designations Criteria
Appendix C: Maps and Tables of Area Designations for State and National Ambient Air Quality Standards
Appendix D: Convention for Rounding Ambient Air Quality Data
Appendix E: Designation Values and Expected Peak Day Concentrations
Appendix F: Designation Value Tables