Opportunity
Federal Register #EPA-R09-OAR-2026-2608
EPA Regulatory Determination: Portola, CA PM2.5 Attainment Status
Posted
August 13, 2026
Identifier
EPA-R09-OAR-2026-2608
This notice from the Environmental Protection Agency (EPA) Region IX announces a regulatory determination regarding air quality standards in Portola, California. - Government Buyer: - Environmental Protection Agency (EPA), Region IX - Regulatory Action: - Final rule determining Portola, Plumas County, California, has attained the 2012 annual PM2.5 national ambient air quality standard (NAAQS) - Based on air quality monitoring data from 2023-2025, with preliminary 2026 data supporting continued attainment - Clean Data Determination (CDD): - Suspends certain state requirements for submitting attainment planning provisions as long as the area continues to meet the standard - No procurement activity: - No OEMs, vendors, products, or services are requested - Notice is regulatory, not a solicitation or award
Description
The Environmental Protection Agency (EPA) has finalized its determination that the Portola nonattainment area in Plumas County, California, attained the 2012 annual fine particulate matter (PM2.5) national ambient air quality standard (NAAQS) by the December 31, 2025, attainment date. This determination is based on ambient air quality monitoring data from 2023 through 2025. Additionally, a clean data determination (CDD) has been finalized based on the 2023-2025 data and an evaluation of preliminary data from 2026. The final rule suspends certain state submission requirements related to attainment planning as long as the area continues to meet the standard, but does not constitute a redesignation to attainment status.