FERC amended its regulations on recreational use and development at licensed hydropower projects, including the elimination of FERC Form No. 80, the Licensed Hydropower Development Recreation Report, which solicits information on the use and development of recreation facilities at such projects.

FWS determined threatened species status under the ESA for the trispot darter, a fish species found in the Coosa River system in Alabama, Georgia, and Tennessee.

SIP Proposal: Maine (infrastructure requirements for the 2010 nitrogen dioxide NAAQS).

EPA approved revisions to Maryland's CAA §§111(d) and 129 state plan concerning continuous opacity monitoring requirements for municipal waste combustors.

SIP Proposal: Nebraska (particulate emissions).

SIP Approval: Arizona (second 10-year maintenance plan for the Douglas maintenance area for the 1971 NAAQS for sulfur dioxide).

SIP Approval: Pennsylvania (removal of Department of Environmental Protection gasoline volatility requirements for the Pittsburgh-Beaver Valley Area).

SIP Proposal: North Carolina (new source review requirements for fine particulate matter NAAQS).

SIP Approval: South Dakota (revisions to permitting rules).

SIP Approval: Minnesota (regional haze progress report).