SIP Approval: Alaska (infrastructure requirements for the 2015 ozone NAAQS).

SIP Proposal: West Virginia (infrastructure requirements for the 2015 ozone NAAQS).

SIP Proposal: Florida (infrastructure requirements for the 2015 eight-hour ozone NAAQS).

SIP Proposal: New Jersey (interstate transport requirements for the 2006 particulate matter, 2008 lead, 2010 nitrogen dioxide, and 2011 carbon monoxide NAAQS).

SIP Proposal: Wyoming (infrastructure requirements for the 2015 ozone NAAQS).

SIP Proposal: Virginia (infrastructure requirements for the 2015 ozone NAAQS).

SIP Approval: Iowa (revisions to regional haze plan and infrastructure requirements for the 2006 fine particulate matter (PM_2.5), 2008 ozone, 2010 nitrogen dioxide, 2010 sulfur dioxide, 2012 PM_2.5, and 2015 ozone NAAQS).

SIP Proposal: Alabama and South Carolina (infrastructure requirements for the 2015 eight-hour ozone NAAQS).

SIP Proposal: Alaska (infrastructure requirements for the 2015 ozone NAAQS).

SIP Approval: New York (infrastructure requirements for the 2008 ozone, 2010 sulfur dioxide, and 2012 fine particulate matter NAAQS).