SIP Proposal: Alaska (update to nonattainment new source review program).

SIP Proposal: Alaska (update to nonattainment new source review program).

SIP Approval: Missouri (revision to rule "Controlling Emissions During Episodes of High Air Pollution Potential").

SIP Approval: Missouri (revision to rule "Controlling Emissions During Episodes of High Air Pollution Potential").

SIP Approval: Missouri (revision to rule "Controlling Emissions During Episodes of High Air Pollution Potential").

United States v. Ross Incineration Services, Inc., No. 12-01441 (N.D. Ohio Oct. 28, 2014). A settling CAA defendant responsible for NESHAP violations at its hazardous waste incinerator in Grafton, Ohio, must pay a $400,000 civil penalty and must perform injunctive relief.

United States v. Ross Incineration Services, Inc., No. 12-01441 (N.D. Ohio Oct. 28, 2014). A settling CAA defendant responsible for NESHAP violations at its hazardous waste incinerator in Grafton, Ohio, must pay a $400,000 civil penalty and must perform injunctive relief.

United States v. Ross Incineration Services, Inc., No. 12-01441 (N.D. Ohio Oct. 28, 2014). A settling CAA defendant responsible for NESHAP violations at its hazardous waste incinerator in Grafton, Ohio, must pay a $400,000 civil penalty and must perform injunctive relief.

SIP Approval: Kentucky (revision to new source review, PSD, and nonattainment new source review regulations and full approval of PSD infrastructure requirements for the 1997 and 2006 fine particulate matter and 2008 eight-hour ozone NAAQS).

SIP Approval: Kentucky (revision to new source review, PSD, and nonattainment new source review regulations and full approval of PSD infrastructure requirements for the 1997 and 2006 fine particulate matter and 2008 eight-hour ozone NAAQS).