Skip to content

NAAQS: Infrastructure Requirements for 1997 & 2008 Ozone, 1997 & 2006 PM2.5, & 2008 Lead & Revisions to 18 AAC 50 for NO2 & PM2.5

07/02/12 Adoption Action

08/01/12 Adoption Action

12/06/12 Adoption Action

01/04/13 Finalized Regulations Action

Finalized Regulations Documents
18 AAC 50 NAAQS Amendments (PDF)
EPA Approval Documents
1997, 2006, and 2012 PM2.5 Infrastructure Effective: 12/27/18 - (11/27/18) 83FR60769 (PDF)

external link indicator Indicates an external site.