EPA entered into a proposed administrative settlement under CERCLA that requires the settling party to pay U.S. response costs incurred at the Peach Orchard Road Groundwater Plume site in Augusta, Georgia.

EPA updated outer continental shelf air regulations for California.

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.