SIP Proposal: Georgia (disapproval of interstate transport submission)

EPA entered into a proposed administrative settlement under CERCLA that requires 275 de minimis settling parties to pay $17,027,998 in U.S. response costs incurred at the Operating Industries, Inc., Superfund site in Monterey Park, California.

SIP Proposal: Delaware (interstate transport of pollution)

EPA updated outer continental shelf air regulations for California.

SIP Proposal: Connecticut (new source review PSD program)

EPA finalized amendments to Method 301, Field Validation of Pollutant Measurement Methods From Various Waste Media.

SIP Proposal: Colorado (partial approval of revisions to air pollutant emission notice regulations)

SIP Proposal: Colorado (partial approval of updates)

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

EPA delayed the effective dates for the final rules titled "National Emission Standards for Hazardous Air Pollutants for Major Sources: Industrial, Commercial, and Institutional Boilers and Process Heaters" and "Standards of Performance for New Sources and Emission Guidelines for Existing Sources: Commercial and Industrial Solid Waste Incineration Units" until judicial review and Agency reconsideration are completed.