SIP Proposal: California (revisions to requirements for the 1997 fine particulate matter NAAQS in the San Joaquin Valley serious nonattainment area). 

SIP Approval: Massachusetts (regional haze). 

SIP Approval: Connecticut (revisions to source monitoring, record keeping, and reporting requirements). 

EPA finalized the residual risk and technology review conducted for the Coke Ovens: Pushing, Quenching, and Battery Stacks source category NESHAP and the periodic technology review for the Coke Oven Batteries source category NESHAP.

The Defense Threat Reduction Agency (DTRA) adopted DOE's electric vehicle charging stations categorical exclusion under NEPA to use in DTRA programs and funding opportunities administered by the agency. 

The National Park Service amended its regulations for sport hunting and trapping in national preserves in Alaska to prohibit bear baiting and clarify trapping regulations.

The Pipeline and Hazardous Materials Safety Administration (PHMSA) adopted a categorical exclusion established by DOE that covers a category of actions PHMSA proposes to take.

FWS determined threatened species status for the Mount Rainier white-tailed ptarmigan under the ESA, and finalized a §4(d) rule that provides necessary and advisable measures for conservation of the species.

SIP Proposal: Missouri (partial approval and partial disapproval of revisions concerning regional haze).

SIP Proposal: New Mexico (revisions related to 2015 eight-hour ozone NAAQS for the Sunland Park nonattainment area).