Federal Register Notices Related to PM-2.5 (2012) Designations and Classifications

Data is current as of June 30, 2025
Ordered by Area Name

Click on the 'FR' link to view the Federal Register Notice

---

ALLEGHENY COUNTY, PA
PENNSYLVANIA
09/03/2021	86 FR 49497	Proposed Approval	Clean Data Determination/Attainment Determination
03/16/2022	87 FR 14799	Final Approval	Clean Data Determination/Attainment Determination
02/08/2023	88 FR 8249	Proposed Approval	Clean Data Determination/Attainment Determination
05/19/2023	88 FR 32117	Final Approval	Clean Data Determination/Attainment Determination
CLEVELAND, OH
OHIO
12/26/2018	83 FR 66200	Proposed Approval	Redesignation to Maintenance
04/12/2019	84 FR 14881	Final Approval	Redesignation to Maintenance
DELAWARE COUNTY, PA
PENNSYLVANIA
12/13/2016	81 FR 89889	Proposed Approval	Clean Data Determination/Attainment Determination
12/13/2016	81 FR 89868	Direct Final	Clean Data Determination/Attainment Determination
07/16/2019	84 FR 33886	Proposed Approval	Redesignation to Maintenance
09/30/2019	84 FR 51420	Final Approval	Redesignation to Maintenance
IMPERIAL COUNTY, CA
CALIFORNIA
10/20/2022	87 FR 63751	Proposed Approval	Clean Data Determination/Attainment Determination
01/11/2023	88 FR 1515	Final Approval	Clean Data Determination/Attainment Determination
LEBANON COUNTY, PA
PENNSYLVANIA
11/02/2017	82 FR 50851	Proposed Approval	Clean Data Determination/Attainment Determination
03/06/2018	83 FR 9435	Final Approval	Clean Data Determination/Attainment Determination
07/16/2019	84 FR 33886	Proposed Approval	Redesignation to Maintenance
09/30/2019	84 FR 51420	Final Approval	Redesignation to Maintenance
LOS ANGELES-SOUTH COAST AIR BASIN, CA
CALIFORNIA
07/02/2020	85 FR 40026	Proposed Approval	Change to a Higher Classification (Bump-Ups)
11/09/2020	85 FR 71264	Final Approval	Change to a Higher Classification (Bump-Ups)
03/19/2021	86 FR 14832	Final Approval	Correction/Clarification
PLUMAS COUNTY, CA
CALIFORNIA
11/01/2022	87 FR 65719	Proposed Approval	Change to a Higher Classification (Bump-Ups)
11/01/2022	87 FR 65719	Proposed Approval	Failure to Attain by Attainment Date
12/29/2022	87 FR 80076	Final Approval	Change to a Higher Classification (Bump-Ups)
12/29/2022	87 FR 80076	Final Approval	Failure to Attain by Attainment Date
SAN JOAQUIN VALLEY, CA
CALIFORNIA
09/01/2021	86 FR 49100	Proposed Approval	Change to a Higher Classification (Bump-Ups)
11/26/2021	86 FR 67343	Final Approval	Change to a Higher Classification (Bump-Ups)
WEST SILVER VALLEY, ID
IDAHO
10/22/2018	83 FR 53201	Proposed Approval	Clean Data Determination/Attainment Determination
12/21/2018	83 FR 65535	Final Approval	Clean Data Determination/Attainment Determination
09/15/2021	86 FR 51318	Proposed Approval	Redesignation to Maintenance
11/16/2021	86 FR 63315	Final Approval	Redesignation to Maintenance