SIP Approval: Louisiana (emissions inventory requirement for the 2008 eight-hour ozone NAAQS in the Baton Rouge ozone nonattainment area).

SIP Approval: Louisiana (emissions inventory requirement for the 2008 eight-hour ozone NAAQS in the Baton Rouge ozone nonattainment area).

United States v. American Chemet Corp., No. 6:16-cv-00053-CCL (D. Mont. June 27, 2016). A settling CERCLA defendant responsible for violations in connection with the East Helena Superfund site in East Helena, Montana, must finance and perform injunctive relief at the site and reimburse future U.S. costs.

United States v. American Chemet Corp., No. 6:16-cv-00053-CCL (D. Mont. June 27, 2016). A settling CERCLA defendant responsible for violations in connection with the East Helena Superfund site in East Helena, Montana, must finance and perform injunctive relief at the site and reimburse future U.S. costs.

United States v. American Chemet Corp., No. 6:16-cv-00053-CCL (D. Mont. June 27, 2016). A settling CERCLA defendant responsible for violations in connection with the East Helena Superfund site in East Helena, Montana, must finance and perform injunctive relief at the site and reimburse future U.S. costs.

SIP Approval: New Jersey (updated 10-year carbon monoxide limited maintenance plan for the New Jersey portion of the New York-Northern New Jersey-Long Island area, 2007 attainment/base-year emissions inventory, and shutdown of five maintenance monitors).

SIP Approval: New Jersey (updated 10-year carbon monoxide limited maintenance plan for the New Jersey portion of the New York-Northern New Jersey-Long Island area, 2007 attainment/base-year emissions inventory, and shutdown of five maintenance monitors).

SIP Approval: New Jersey (updated 10-year carbon monoxide limited maintenance plan for the New Jersey portion of the New York-Northern New Jersey-Long Island area, 2007 attainment/base-year emissions inventory, and shutdown of five maintenance monitors).