OSM proposed to approve an amendment to Pennsylvania's regulatory program under SMCRA that would remove a required amendment on regulatory exemptions for coal extraction incidental to the extraction of other minerals.

EPA entered into a proposed administrative settlement under CERCLA that requires the settling party to pay U.S. response costs incurred at the Puckett Smelter Superfund site in Mountainboro, Alabama.

EPA issued a final rule requiring monitoring and reporting of greenhouse gas (GHG) emissions from additional sources of fluorinated GHGs.

The Agricultural Marketing Service proposed revisions to the Federal Seed Act to update regulations and to prevent potential conflicts with states.

EPA determined that hydrofluoroolefin-1234yf is an acceptable substitute for chlorofluorocarbon-12, an ozone-depleting substance, in motor vehicle air conditioning for new passenger cars and light-duty trucks.

EPA approved the Gila River Indian Community's tribal implementation plan to regulate air quality within the exterior boundaries of the tribe's reservation.

EPA stayed the requirement for chemical manufacturing area sources to comply with the Title V permit program during reconsideration of certain NESHAP provisions.

EPA finalized amendments to the NESHAPs for existing stationary spark ignition reciprocating internal combustion engines.