Green Book

You are here: EPA Home > Green Book > Recent Updates: Federal Register Notices Published or Effective After November 30, 2022

Recent Updates: Federal Register Notices Published or Effective After November 30, 2022

Data is current as of December 06, 2022

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

PM-2.5 (1997)
12/06/2022Libby, MT (MT) whats new
 Redesignation to Maintenance
 Proposed Approval
  87 FR 74577

Sulfur Dioxide (2010)
11/02/2022Anne Arundel County and Baltimore County, MD (MD) whats new
 Clean Data Determination/Attainment Determination
 Final Approval
 Effective: 12/02/2022
  87 FR 66086

Go Top