18 AAC 50 - Air Quality Regulations, 2018 Adoption Updates to 18 AAC 50--The regulations updates part of this package went into effect on September 15, 2018. The Standard Conditions and related regulatory language parts of this package will be adopted in a future adoption action.
18 AAC 50 - Air Quality Regulations, Conformity, SIP Updates - ADEC public noticed this package of revisions on March 19, 2014. The "regulated NSR pollutant" definition portion of the regulations went into effect on November 9, 2014; the remainder of the revisions went into effect on April 17, 2015.
18 AAC 50 - Adoption Updates Package - ADEC public noticed this package of revisions on April 30, 2013. The Public Comment Period ran from April 30 - June 3, 2013. The revisions went into effect on October 6, 2013.
18 AAC 50 - Adoption by Reference Updates and Title V Standard Application and Forms - This package has been signed and filed by the Lt. Governor's office, and the regulation changes went into effect on September 14, 2012.