SIP Proposal: California (revisions to the Great Basin Unified Air Pollution Control District and the town of Mammoth Lakes portion of the SIP concerning particulate matter emissions from wood burning devices and road dust).

SIP Proposal: California (revisions to the Great Basin Unified Air Pollution Control District and the town of Mammoth Lakes portion of the SIP concerning particulate matter emissions from wood burning devices and road dust).

United States v. Lima Refining Co., No. 3:17-cv-01320-JZ (N.D. Ohio June 22, 2017). A settling CAA defendant must pay $1,000,000 in stipulated penalties for violating a 2007 consent decree.

United States v. Lima Refining Co., No. 3:17-cv-01320-JZ (N.D. Ohio June 22, 2017). A settling CAA defendant must pay $1,000,000 in stipulated penalties for violating a 2007 consent decree.

United States v. Lima Refining Co., No. 3:17-cv-01320-JZ (N.D. Ohio June 22, 2017). A settling CAA defendant must pay $1,000,000 in stipulated penalties for violating a 2007 consent decree.

SIP Approval: Missouri (revisions to the Operating Permits Program).

SIP Approval: Missouri (revisions to the Operating Permits Program).

SIP Approval: Missouri (revisions to the Operating Permits Program).

SIP Approval: New Mexico (establishment of a new minor new source review (NSR) general construction permitting program; changes to the minor NSR Public Participation requirements; and the addition of exemptions from minor NSR permitting for inconsequential emission sources and activities; and conditionally approving the provisions establishing accelerated review and technical permit revisions).

SIP Approval: New Mexico (establishment of a new minor new source review (NSR) general construction permitting program; changes to the minor NSR Public Participation requirements; and the addition of exemptions from minor NSR permitting for inconsequential emission sources and activities; and conditionally approving the provisions establishing accelerated review and technical permit revisions).