EPA promulgated amendments to the new source performance standards and emissions guidelines for hospital/medical/infectious waste incinerators (HMIWIs) after remand by the D.C. Circuit.

EPA withdrew rulemaking that granted a site-specific treatment variance to U.S. Ecology Nevada in Beatty, Nevada, and withdrew an existing site-specific treatment variance issued to Chemical Waste Management, Inc. in Kettleman Hills, California, due to adverse comment.

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.

United States v. AK Steel Corp., No. 97-1863 (W.D. Pa. Feb. 28, 2011). A settling CERCLA defendant responsible for violations at the Breslube Penn Superfund site in Coraopolis, Pennsylvania, must pay $1,398,412 in contribution claims and past U.S. response costs incurred at the site. 

In re Motors Liquidation Corp., No. 09-50026 (REG) (Bankr. S.D.N.Y. Mar. 4, 2011). Settling CAA, CERCLA, and RCRA parties responsible for violations at multiple facilities and sites nationwide must pay $4,613,322 from bonds, with an additional $10.5 million in bond requirements for six non-owned sites, must provide the United States with an allowed general unsecured claim of $36,290,270 for environmental remediation at 29 non-owned sites, and must pay civil penalties for violations at multiregional sites. 

United States v. Manzo, No. 3:97-cv-00289 (D.N.J. Mar. 2, 2011). Settling CERCLA defendants responsible for violations at the Burnt Fly Bog Superfund site in Middlesex and Monmouth Counties, New Jersey, must pay $19.025 million in U.S. response costs and natural resource damages incurred at the site.

United States v. Arch Coal, Inc., No. 2:11-cv-00133 (S.D. W. Va. Mar. 1, 2011). Settling CWA defendants that discharged pollutants into waters of the United States in Kentucky and West Virginia must pay a $4 million civil penalty and must perform various injunctive relief measures.