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Comment ClosedEPA· Environmental Protection AgencyProposed RuleEPA-R09-OAR-2025-0191

Air Quality State Implementation Plans; Approvals and Promulgations: Arizona; Interstate Transport Requirements for the 2012 Fine Particulate Matter National Ambient Air Quality Standard

Introduced October 23, 2025Comment period ends November 25, 2025View on regulations.gov ↗

Comment Period

The public comment period for this proposal has closed.

Details

TypeFederal Regulation
AgencyEPA · Environmental Protection Agency
DocketEPA-R09-OAR-2025-0191
Regulations.gov IDEPA-R09-OAR-2025-0191-0001
IntroducedOctober 23, 2025
Comment DeadlineNovember 25, 2025