2022 State Area Designations Regulation

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This page last reviewed November 15, 2022

Proposed 2022 Amendments to Area Designations for State Ambient Air Quality Standards

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

OAL approved the rulemaking September 22, 2023. The amendments are effective January 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 Package was submitted to OAL August 10, 2023. 

Updated Informative Digest
Final Statement of Reasons  (See Revised Above)
Final Regulation Order  (See Revised Above)
Hearing Action and Supplemental 15 Day Notices
Resolution 22-3
Public Hearing Notice and Related Material

Posted November 29, 2022

Notice of Public Hearing  (Deadline to Submit Public Comments: January 17, 2023, or at the Public Hearing)
Initial Statement of Reasons
Appendix A: Proposed 2022 Amendments to the State Area Designations
Appendix A-2: Alternate format to the Proposed 2021 Amendments to the State Area Designations
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
More Information

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