EPA entered into a proposed administrative settlement under CERCLA that requires the settling party to pay $1,000, plus interest, in U.S. response costs incurred at the Grants Chlorinated Solvents Superfund site in Grants, New Mexico. 

EPA entered into a proposed settlement agreement under CERCLA that absolves the settling parties from payment of past U.S. response costs incurred at the Richfield PCE Superfund site in Sevier County, Utah, due to an inability to pay.

EPA entered into a proposed settlement agreement in WildEarth Guardians v. Jackson, No. 3:10-cv-04603-WHA (N.D. Cal.), that establishes a deadline for the Agency to take action on NAAQS for Arizona, Nevada, Pennsylvania, and Tennessee.

EPA designated four new equivalent methods for monitoring ambient air quality.

EPA announced completion of its statutory requirement to promulgate emission standards under the CAA.

The CEQ issued instructions to federal agencies for integrating climate change adaptation into their policies and practices as required under Executive Order No. 13514, Federal Leadership in Environmental, Energy, and Economic Performance.

EPA entered into a proposed consent decree under the CAA requiring it to respond to a petition seeking the Agency's objection to a CAA Title V operating permit issued by the New Mexico Environment Department to Williams Four Corners LLC for the Sims Mesa Central Delivery Point facility by April 29, 2011.

FWS proposed to revise the designated critical habitat for the Pacific Coast population of the western snowy plover to a total of approximately 28,261 acres in California, Oregon, and Washington.

EPA issued a final rule requiring GHG monitoring and reporting from facilities that conduct geologic sequestration of carbon dioxide.

FWS announced a 12-month finding on a petition to list the Berry Cave salamander as endangered under the ESA; the agency found that listing is warranted but precluded by higher priority actions.