NOAA-Fisheries proposed to designate the Middle Columbia River steelhead as a nonessential experimental population under the ESA.

NOAA-Fisheries proposed to designate the Middle Columbia River steelhead as a nonessential experimental population under the ESA.

FWS-Fisheries proposed revisions to the regulations on textual descriptions of proposed and final critical habitat boundaries in the Federal Register, in response to Executive Order No. 13563 of January 18, 2011.

FWS announced withdrawal of a proposal to list the mountain plover as a threatened species under the ESA because threats to the species are not as significant as earlier believed.

FWS proposed to designate 57,756 acres in Ada, Elmore, Owyhee, and Payette Counties in Idaho as critical habitat for slickspot peppergrass.

FWS proposed to identify the Minnesota population of gray wolves as a western Great Lakes distinct population segment of the gray wolf, to remove this segment from the list of endangered and threatened wildlife under the ESA, and to initiate a rangewide status review.

NOAA-Fisheries announced a 90-day finding on a petition to revise critical habitat for the endangered leatherback sea turtle off the northeast ecological corridor of Puerto Rico; the agency found that revision may be warranted.

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

EPA approved negative declarations and requests for EPA withdrawal of its CAA §§111(d) and 129 plan approval for HMIWI, large municipal waste combustor (LMWC), small municipal waste combustor (SMWC), and other solid waste incinerator (OSWI) units from Florida, Kentucky, North Carolina, and South Carolina.

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.