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.

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

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 to update a portion of California's outer continental shelf air regulations.

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.