EPA entered into a settlement agreement under CERCLA determining that the settling party is unable to pay U.S. response costs incurred at the 10000 Havana Street Superfund site in Henderson, Colorado.

EPA Region IX proposed to approve Arizona's municipal solid waste landfill permit program.

EPA entered into a proposed administrative settlement under CERCLA that requires the settling party to pay $25,000 in U.S. response costs incurred at the Auclair Superfund site on the Torres Martinez Desert Cahuilla Indian Reservation in Riverside County, California.

EPA announced the availability of a draft document titled, First External Review Draft Integrated Science Assessment for Ozone and Related Photochemical Oxidants, for public comment.

EPA announced the availability of the draft document, The Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2009.

EPA withdrew its previous adequacy finding on the 2012 motor vehicle emission budgets for Connecticut's two eight-hour ozone nonattainment areas.

EPA announced the availability of a document titled, Policy Assessment for the Review of the Secondary National Ambient Air Quality Standards for Oxides of Nitrogen and Sulfur.

EPA withdrew its adequacy finding of the 2010 PM motor vehicle emission budget for the Maricopa County nonattainment area.

FWS announced the availability of draft guidelines on wind energy that would supersede the 2003 voluntary, interim guidelines.