Environmental Protection Agency · EPA-R09-OAR-2026-2608
Determination of Attainment by the Attainment Date and Clean Data Determination for the 2012 Annual Fine Particulate Standard; Plumas County, California
The Federal Register published the matched proposal on May 14, 2026 and the matched final rule on August 13, 2026, 91 days later.
Official publication history
Proposal ·
Determination of Attainment by the Attainment Date and Clean Data Determination for the 2012 Annual Fine Particulate Standard; Plumas County, California
Comment date listed June 15, 2026
Final rule ·
Determination of Attainment by the Attainment Date and Clean Data Determination for the 2012 Annual Fine Particulate Standard; Plumas County, California
Effective date in register data September 14, 2026
About this timeline
How the records were matched
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