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Interstate Transport, Regional Haze: Reg Updates, SIPs

Interstate Transport, Regional Haze, §110 Certification, Transportation Conformity, & PM2.5 Annual Standard: Reg Updates, SIPs (PDF)

(Air Quality Regulations and SIP Amendments Summary at bottom)

11/13/15 Public Review Action

02/01/16 Finalized Regulations Action

03/02/16 Finalized Regulations Action

Finalized Regulations Documents
18 AAC 50 Amendments (PDF)

03/10/16 EPA Transmittal Action

EPA Transmittal Documents
Transmittal Letter (PDF)
EPA Approval Documents
Conformity Effective: 09/27/17 - (08/28/17) 82FR40712 (PDF)
Regional Haze Effective: 05/14/18 - (04/12/18) 83FR15746 (PDF)
2010 NO2 and SO2 Interstate Transport Effective: 07/25/18 - (06/25/18) 83FR29449 (PDF)
2012 PM2.5 Interstate Transport Effective: 07/27/18 - (06/27/18) 83FR30048 (PDF)

Air Quality Regulations and SIP Amendments Summary

ADEC has adopted air quality regulation amendments to update regulations to conform to federal requirements and adopt changes to the Woodseller Registration Program in the Fairbanks North Star Borough PM2.5 Nonattainment Area.

  • PM2.5 Ambient Air Quality Standard - change the standard from 15.0 to 12.0 micrograms per cubic meter. EPA updated the annual PM2.5 National Ambient Air Quality Standard (NAAQS) in 2012
  • Interstate Transport - show that Alaska's emissions of SO2, NOx, and PM2.5 are unlikely to cause problems in other states
  • Clean Air Act Section 110 Certifications - demonstrate Alaska's ability to comply with National Ambient Air Quality Standards for PM2.5
  • Regional Haze - adopt the 2015 Regional Haze Progress Report and update the Regional Haze Long Term Strategy to include the latest Alaska Enhanced Smoke Management Plan
  • Transportation Conformity - make amendments to conform to federal requirements*
  • Open Burning - add a reference to an existing regulation to prohibit open burning during PM2.5 air quality episodes
  • Woodstoves - adopt EPA's new definition of "woodstove"*
  • Wood Seller Registration Program - update the requirements of the mandatory program based on lessons learned in the voluntary Moisture Disclosure Program

See: * 18 AAC 50 Reference Materials