SIP Approval: Pennsylvania (second maintenance plan for the 1997 eight-hour ozone NAAQS in the Erie area). 

EPA proposed SIP submission requirements in connection with its approval of California's request to reclassify the Eastern Kern ozone nonattainment area from serious to severe for the 2008 ozone NAAQS.

EPA announced the availability of and seeks comment on its revised responses to certain state designation recommendations for the 2015 ozone NAAQS, including El Paso County, Texas, and Weld County, Colorado.

FWS removed Lepanthes eltoroensis from the federal list of endangered and threatened plants due to recovery.

FWS initiated five-year status reviews for 37 species under the ESA.

EPA proposed reporting and recordkeeping requirements for per- and polyfluoroalkyl substances under TSCA.

EPA entered into a proposed administrative settlement under CERCLA for recovery of costs of a removal action at a power plant in the Commonwealth of the Northern Mariana Islands.

FWS announced the availability of and seeks comment on its draft recovery plan for the Agave eggersiana under the ESA.

EPA redesignated the Lancaster County, Nebraska, and Milam County, Texas, unclassifiable areas to attainment/unclassifiable for the 2010 one-hour sulfur dioxide primary NAAQS, and approved the states' requests to redesignate the areas.

SIP Proposal: Oklahoma (partial approval and partial disapproval of interstate visibility transport requirements).