Data / Federal rules / 2024-17573

Finding of Failure To Attain the 1997 8-Hour Ozone Standards; California; Los Angeles-South Coast Air Basin

The Environmental Protection Agency published this proposed rule in the Federal Register on August 15, 2024. Comments closed on September 16, 2024.

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What the agency says

The Environmental Protection Agency (EPA) is proposing to determine that the Los Angeles-South Coast Air Basin ("South Coast") ozone nonattainment area failed to attain the 1997 8-hour ozone national ambient air quality standard by its June 15, 2024 "Extreme" area attainment date. This proposed determination is based on quality- assured and certified ambient air quality monitoring data from 2021 through 2023.

Key facts

Document number: 2024-17573
Type: Proposed rule
Action: Proposed rule
Agency: Environmental Protection Agency
Published: August 15, 2024
Comments due: September 16, 2024
Dates: Comments must be received on or before September 16, 2024.
Docket: EPA-R09-OAR-2024-0327; FRL-12106-01-R9
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Environmental protection; Incorporation by reference; Intergovernmental relations; Nitrogen oxides; Ozone; Reporting and recordkeeping requirements; Volatile organic compounds
Pages: 5

The document on federalregister.gov PDF

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Everything from the Environmental Protection Agency · Rules on air pollution control · Rules on environmental protection · Rules on incorporation by reference · Published in August 2024

Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.