The U.S. Supreme Court, 5-4, granted three states' and several industry groups' applications to stay enforcement of EPA's 2023 rule issuing a federal implementation plan (FIP) for 23 states whose SIPs the Agency determined had failed to adequately address new air quality standards for ozone levels u...
The U.S. Supreme Court, 6-3, held the APA requires courts to exercise independent judgment in deciding whether an agency has acted within its statutory authority and that courts may not defer to an agency's interpretation of the law simply because a statute is ambiguous, overruling Chevron U.S.A. In...
On February 7, 2024, the U.S. Environmental Protection Agency (EPA) announced a final rule imposing a stricter limit for the fine particulate matter (PM2.5) national ambient air quality standard (NAAQS). The annual exposure standard for PM2.5, currently set at 12 micrograms per cubic meter of air, will now be 9 micrograms per cubic meter, marking the first time in over eight years that EPA has strengthened any NAAQS. The rule is predicted to have many health benefits, such as preventing 4,500 premature deaths by 2032, which may particularly affect overburdened communities.
SIP Proposal: Pennsylvania (revisions establishing reasonably available control technology requirements for the 2008 and 2015 ozone NAAQS for each category of volatile organic compound sources covered by EPA’s 2016 control techniques guidelines for the oil and gas industry).
EPA approved the Tennessee Department of Environment and Conservation’s request to update the method of delegations and continue the delegations of authority to implement and enforce NESHAPs and NESHAPs for source categories.
DOE seeks information to carry out its responsibilities under Exec. Order No. 14091, Further Advancing Racial Equity and Support for Underserved Communities Through the Federal Government, to update to its Equity Action Plan.