Arkansas EPA SIP Approved Air Quality Regulations SIP effective February 25, 2026 – See Regulations.gov docket EPA-R06-OAR-2025-0015 at https://www.regulations.gov/search?filter=EPA-R06-OAR-2025-0015%20&sortBy=title&sortDirection=desc
Arkansas EPA SIP Approved Air Quality Regulations SIP effective February 25, 2026 – See Regulations.gov docket EPA-R06-OAR-2025-0015 at https://www.regulations.gov/search?filter=EPA-R06-OAR-2025-0015%20&sortBy=title&sortDirection=desc
If any link in the outlines below do not connect to the appropriate table, you can scroll down to the tables and click on the link to the regulation you are looking for. If a link in the table does not go to the regulation you are looking for, please send a message to Bill Deese at deese.william@epa.gov with information about the missing or incorrect link--do not attach a file to your message -- Bill will not open a message with an attached file. If you have any questions about a regulation for a state, send a message to the EPA Region 6 State contact person listed at the Find a Regional Contact for Air Quality SIPs/FIPs/TIPs EPA Page or to Bill Deese at deese.william@epa.gov.
In the tables below, the ARc and ARd numbers under each section number and in some SIP effective date titles is a unique number for each Region 6 Federal Register approval.
The Arkansas SIP History in this web site contains information about each ARc and ARd Region 6 Federal Register approvals.
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