EPA approved revisions to Wisconsin's hazardous waste management program.

EPA approved Florida's plan under the CAA for implementing and enforcing the emissions guidelines applicable to existing large municipal waste combustors.

United States v. Unisea, Inc., No. 3:11-cv-00037-JWS (D. Alaska Mar. 9, 2011). A settling CERCLA, CWA, and EPCRA defendant that discharged ammonia and other pollutants from its facility in Unalaska must pay a $1,405,250 civil penalty to the United States, must pay a $504,125 civil assessment to Alaska, and must perform the specified injunctive relief.

EPA approved Virginia's negative declaration and request for EPA withdrawal of its CAA §§111(d) and 129 plan approval for hospital/medical/infectious waste incinerator (HMIWI) units.