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Recent Updates: Federal Register Notices Published or Effective After March 31, 2021

Data is current as of April 19, 2021


Note:
On March 26, 2021, EPA designated additional nonattainment areas for the 2010 SO2 NAAQS, effective April 30, 2021 (86 FR 16055). These nine new areas are in addition to the SO2 (2010) nonattainment areas previously designated effective 10/04/2013, 09/12/2016, 01/12/2017, and 04/09/2018.
  • Henderson-Webster Counties, KY
  • New Madrid County, MO
  • St. Lawrence County, NY
  • Howard County, TX
  • Hutchinson County, TX
  • Navarro County, TX
  • Giles County, VA
  • Whatcom County, WA
  • Outagamie County, WI - - On April 14, 2021, EPA withdrew the designation of Outagamie County, WI as a nonattainment area for the 2010 SO2 NAAQS (86 FR 19576). The Outagamie County area will be designated as Attainment/Unclassifiable instead of Nonattainment, effective April 30, 2021.

whats new is displayed for notices published or effective within 30 days of the report "As of" date.
Federal Register Notices not in this Green Book will be available in reports in the next Green Book.
The "FR" links below will display Federal Register Notices from the Government Publishing Office (GPO) website.


NAAQS / Publication Date Area Name / Action / Status / Effective Date / FRN Link

8-Hour Ozone (2015)
04/08/2021San Diego County, CA (CA) whats new
 Change to a Higher Classification (Bump-Ups)
 Proposed Approval
  86 FR 18227

8-Hour Ozone (2008)
04/08/2021San Diego County, CA (CA) whats new
 Change to a Higher Classification (Bump-Ups)
 Proposed Approval
  86 FR 18227

PM-2.5 (2006)
04/06/2021Provo, UT (UT) whats new
 Redesignation to Maintenance
 Reopening of Public Comment Period
  86 FR 17762
 
04/06/2021Salt Lake City, UT (UT) whats new
 Redesignation to Maintenance
 Reopening of Public Comment Period
  86 FR 17762

PM-10 (1987)
04/19/2021Butte, MT (MT) whats new
 Redesignation to Maintenance
 Proposed Approval
  86 FR 20353

Sulfur Dioxide (2010)
03/02/2021Southwest Indiana, IN (IN) whats new
 Redesignation to Maintenance
 Final Approval
 Effective: 04/30/2021
  86 FR 12107

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