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

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

SIP Approval: Maine (infrastructure requirements for the 2015 ozone NAAQS and negative declaration for the oil and gas industry for the 2008 and 2015 ozone NAAQS). 

SIP Approval: California (partial approval of infrastructure requirements for the 2015 ozone NAAQS). 

SIP Approval: Washington (infrastructure requirements for the 2010 sulfur dioxide and 2015 ozone NAAQS).

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

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

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

SIP Approval: New Hampshire (infrastructure requirements for the 2015 ozone and 2012 particulate matter NAAQS).

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