SIP Approval: New York (reasonably available control technology requirements for serious classification of the 2008 and moderate classification of the 2015 eight-hour ozone NAAQS; ozone transport region requirements for the 2015 eight-hour ozone NAAQS; requirements for ozone nonattainment new source review program, nonattainment emission inventory, and clean fuels for fleets; and reasonable further progress plans and motor vehicle emissions budgets for both moderate and serious classifications of the 2008 eight-hour ozone NAAQS).

SIP Proposal: New York (reasonably available control technology requirements for the 2008 and 2015 eight-hour ozone NAAQS, ozone transport region requirements for the 2015 ozone NAAQS, ozone nonattainment new source review program requirements, nonattainment emission inventory requirements, clean fuels for fleets requirements, and reasonable further progress plans and motor vehicle emissions budgets for the 2008 ozone NAAQS).

EPA granted a CAA §176A petition submitted by Maine requesting that the Agency remove a portion of Maine from the ozone transport region. 

SIP Approval: Maine (update to "Ozone Transport Region" definition). 

EPA proposed to grant a CAA §176A petition to remove a large portion of the state of Maine from the Ozone Transport Region (OTR) based on that area's continued attainment with ozone NAAQS and technical analysis demonstrating that the additional control of emissions from that portion of the state will not significantly contribute to ozone attainment in any area in the OTR. 

EPA finalized nonattainment area and ozone transport region implementation requirements for the 2015 ozone NAAQS that were promulgated on October 1, 2015.