EPA updated outer continental shelf air regulations for California.

EPA proposed to allow refiners and laboratories to use an alternative test method for olefin content in gasoline.

The USDA seeks public comment on the proposed implementation of the Community Forest and Open Space Conservation Program, which provides grants to establish community forests.

SIP Proposal: California (VOC emissions for the Antelope Valley air quality management district and the Placer County, Santa Barbara, and Ventura County air pollution control districts; see above for direct final rule)

SIP Approval: Maryland (VOC emissions)

EPA amended NESHAPs for gasoline distribution bulk terminals, bulk plants, and pipeline and gasoline-dispensing facilities.

EPA determined that the Louisville metro air pollution control district failed to submit an SIP that applies PSD requirements to GHG-emitting sources by January 1, 2011.

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

EPA proposed to withdraw certain aquatic life water quality criteria for waters of the Great Lakes in Wisconsin.

EPA proposed revisions to the unregulated contaminant monitoring regulation for public water systems.