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Comment ClosedEPA· Environmental Protection AgencyProposed RuleEPA-R03-OAR-2025-1872

Air Quality State Implementation Plans; Approvals and Promulgations: Nonattainment Designation for the 2008 and 2015 Ozone Standards and Clean Data Determinations for the 2008 and 2015 Ozone Standards; Cecil County, MD and New Castle County, DE

Introduced January 2, 2026Comment period ends February 3, 2026View on regulations.gov ↗

What This Means

This EPA regulation would designate air quality nonattainment areas and analyze data for the 2008 and 2015 ozone standards in Cecil County, Maryland and New Castle County, Delaware.

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Details

TypeFederal Regulation
AgencyEPA · Environmental Protection Agency
DocketEPA-R03-OAR-2025-1872
Regulations.gov IDEPA-R03-OAR-2025-1872-0001
IntroducedJanuary 2, 2026
Comment DeadlineFebruary 3, 2026