Comment ClosedEPA· Environmental Protection AgencyProposed RuleEPA-R01-OAR-2025-0915Regulations.gov

Air Quality State Implementation Plans; Approvals and Promulgations: Rhode Island; Regional Haze State Implementation Plan for the Second Implementation Period; Prong 4 (Visibility) for the 2015 8-Hour Ozone National Ambient Air Quality Standard

Introduced November 20, 2025Comment period ends December 23, 2025View on regulations.gov ↗

What This Means

The EPA is approving Rhode Island's regional haze state implementation plan addressing visibility impairment and ozone standards.

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Community Position

Community Comments

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Comment Period

The public comment period for this proposal has closed.

Details

TypeFederal Regulation

AgencyEPA · Environmental Protection Agency

DocketEPA-R01-OAR-2025-0915

Regulations.gov IDEPA-R01-OAR-2025-0915-0001

IntroducedNovember 20, 2025

Comment DeadlineDecember 23, 2025