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

OSM approved an amendment to Montana's regulatory program under SMCRA regarding bond release responsibility periods for water management facilities and other support facilities.

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.

SIP Approval: Mississippi (incorporation of nitrogen oxide (NOx) as a precursor to ozone).

SIP Approval: Massachusetts (delegation of authority for PSD program)