SIP Approval: Idaho (infrastructure requirements for the 2015 ozone NAAQS).
SIP Proposal: Kansas (infrastructure requirements for the 2015 ozone NAAQS).
SIP Approval: Connecticut (partial approval of revisions to infrastructure requirements for the 2015 ozone NAAQS).
SIP Approval: New York (infrastructure requirements for the 2012 annual fine particulate matter NAAQS).
SIP Proposal: Arkansas (infrastructure requirements for 2015 ozone NAAQS).
SIP Approval: Maryland (infrastructure requirements for the 2010 sulfur dioxide NAAQS).
SIP Approval: Vermont (infrastructure requirements for 2015 ozone NAAQS).
SIP Approval: Louisiana (infrastructure requirements for 2015 ozone NAAQS).
SIP Proposal: Utah (infrastructure requirements for 2015 ozone NAAQS).
SIP Approval: Kentucky (infrastructure requirements for 2015 eight-hour ozone NAAQS).
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