FWS reissued final rulemaking that identifies the northern Rocky Mountain population of gray wolf as a distinct population segment and removes most gray wolves from the list of endangered and threatened wildlife under the ESA.

NOAA-Fisheries established ocean salmon management measures for fisheries off the coasts of California, Oregon, and Washington through May 1, 2012.

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. Consol Energy, Inc., No. 1:11-cv-00028 (N.D. W. Va. Mar. 14, 2011). Settling CWA defendants responsible for NPDES permit violations and the discharge of pollutants into waters of the United States must pay a $5.5 million civil penalty and must perform injunctive relief at six mines.