FWS announced a 12-month finding on a petition to list the Mt. Charleston blue butterfly as endangered or threatened under the ESA; the agency found that listing is warranted but precluded by higher priority actions.

NOAA-Fisheries announced a 90-day finding on a petition to list six species of sawfish as endangered or threatened under the ESA; the agency found that listing may be warranted for five of the sawfish species and initiated a status review.

EPA proposed to withdraw certain aquatic life water quality criteria for waters of the Great Lakes in Wisconsin.

EPA proposed revisions to the unregulated contaminant monitoring regulation for public water systems.

EPA proposed to approve revisions to Texas' hazardous waste management program; see above for direct final rule.

EPA entered into a proposed administrative settlement under CERCLA that requires the settling party to pay U.S. response costs incurred at the Puckett Smelter Superfund site in Mountainboro, Alabama.

EPA proposed giving final authorization to Oregon's UST program under RCRA. 

EPA proposed reconsideration of NESHAPs for industrial/commercial/institutional boilers and process heaters at major sources, for industrial boilers and commercial and institutional boilers at area sources, and for new source performance standards and emission guidelines for commercial and industrial solid waste incineration units; see above for direct final rules.

NOAA-Fisheries codified the listing of the southern resident killer whale distinct population segment as an endangered species under the ESA.

FWS established regulations for seasons, harvest limits, methods, and means related to the taking of fish and shellfish for subsistence uses in Alaska during the 2011-2012 and 2012-2013 regulatory years.