SIP Approval: Utah (revisions to the Utah Division of Administrative Rules).

NMFS proposed to list the queen conch as a threatened species under the ESA.

EPA Region 10 proposed to reissue the NPDES general permit for federal aquaculture facilities and aquaculture facilities located in Indian country in Washington.

EPA proposed to authorize changes to Florida’s hazardous waste management program under RCRA.

EPA took direct final action on the authorization of Florida’s changes to its hazardous waste program under RCRA.

EPA announced the availability of the final revision to the risk determination for the Colour Index Pigment Violet 29 risk evaluation issued under TSCA.

EPA proposed to designate perfluorooctanoic acid and perfluorooctanesulfonic acid, including their salts and structural isomers, as hazardous substances under CERCLA.

EPA finalized an optional alternative renewable identification number retirement schedule for small refineries under the Renewable Fuel Standard program for the 2020 compliance year.

SIP Proposal: Missouri (incorporation of additional sulfur dioxide emissions limit for the Ameren Missouri Sioux Energy Center).

FWS proposed to introduce the Guam kingfisher on Palmyra Atoll as an experimental population under the ESA.