The Commerce Department delayed the effective date of the NMFS final rule pertaining to standardized bycatch reporting methodologies to comply with the January 20, 2017, presidential memorandum.

EPA announced the availability of the document titled "Review of the Primary National Ambient Air Quality Standards for Sulfur Oxides: Risk and Exposure Assessment Planning Document" for public comment.

EPA made available a copy of its letter delegating authority to the state of West Virginia to implement and enforce NESHAPs and New Source Performance Standards, to inform regulated facilities and the public.

SIP Approval: California (revisions to the volatile organic compounds and particulate matter from confined animal facilities SIPs for the Yolo-Solano Air Quality Management District).

SIP Approval: Texas (second maintenance plan for carbon monoxide NAAQS for the El Paso nonattainment area).

SIP Approval: Arizona (revisions addressing best available retrofit technology requirements for the Cholla Power Plant and withdrawal of federal implementation plan concerning the plant).

FWS removed the scarlet-chested parrot and the turquoise parrot from the Federal List of Endangered and Threatened Wildlife under the ESA because the populations of both species are stable.

SIP Approval: Ohio (removal of the 7.8 psi low Reid Vapor Pressure fuel requirements as a component of the Ohio ozone SIP in the Cincinnati and Dayton Areas).

SIP Approval: California (revision to the Butte County Air Quality Management District portion of state SIP concerning necessary procedures to create emission reduction credits from the reduction of volatile organic compounds, oxides of nitrogen, oxides of sulfur, particulate matter and carbon monoxide emissions due to the permanent curtailment of burning rice straw).

SIP Approval: Connecticut (provisions of state "General Permit to Limit Potential to Emit from Major Stationary Sources of Air Pollution").