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As the longest federal government shutdown on record continued earlier this week, EPA stayed busy putting the finishing touches on one of its PFAS-related priorities — enabling EPA to “smartly collect” information about PFAS substances under the Toxic Substances Control Act (TSCA) as required by Congress in the National Defense Authorization Act for Fiscal Year 2020. Early signs of EPA’s desire to simplify the TSCA PFAS reporting rule, which was finalized by the Biden EPA in 2023, were evident in the agency’s April 2025 announcement of “Major Actions to Combat PFAS Contamination” discussed here, where EPA committed to implement the required information collection “without overburdening small businesses and article importers.”

On June 17, the Environmental Protection Agency (EPA) published a proposed rule to approve Texas’s application for primary permitting and enforcement responsibility (primacy) for carbon dioxide (CO2) sequestration wells pursuant to the Safe Drinking Water Act’s (SDWA) Class VI Underground Injection Control (UIC) Program. Upon approval of the rule, the Railroad Commission of Texas (RRC) will have permitting and enforcement authority for the Class VI UIC program (with oversight from the EPA). This development is the culmination of lengthy negotiations between the state of Texas and the EPA, which we have previously discussed in more detail.

The California legislature continues to advance Senate Bill 601 (SB 601), the “Right to Clean Water Act,”[1] which aims to safeguard protections for California’s streams and wetlands that lost federal protection under the Clean Water Act (CWA) as a result of the Supreme Court’s 2023 Sackett v. U.S. EPA decision. If approved, SB 601 would expand enforcement to include citizen suits and increase penalties for unpermitted discharges to state waters.

President Trump hit the ground running, issuing more executive orders, memoranda, and other actions on Inauguration Day than any previous president. Agencies are already working to implement those actions. Many of the actions are interrelated, so Troutman Pepper Locke’s Environmental + Natural Resources team has put together the following resource to help assess the impact of these actions on environmental policy, and how the various actions fit together.

The U.S. Environmental Protection Agency (EPA) has finalized regulations impacting a large swath of refrigeration and cooling equipment industries. The new regulations are the most recent EPA action addressing the use of hydrofluorocarbons (HFCs), greenhouse gases often used to replace ozone-depleting substances for refrigeration and cooling, under the American Innovation…

Phishing scams can pop up anywhere, as evidenced by the U.S. Environmental Protection Agency (EPA) Office of Inspector General’s recent alert regarding fraudulent Notice of Violation letters (NOVs).

According to the EPA, fraudulent NOVs have been sent by a fraudster through mail and email. The fake NOVs allege violations of…

On March 11, the U.S. Environmental Protection Agency (EPA) published the long-awaited Safer Communities by Chemical Accident Prevention Rule (Final Rule), which concluded a nearly decadelong process — spanning three administrations — to update EPA’s Risk Management Program (RMP) under the Clean Air Act (CAA).

Exercising one of its most important and far-reaching powers under the Clean Air Act, the Environmental Protection Agency (EPA) has lowered the primary annual National Ambient Air Quality Standard (NAAQS) for fine particulate matter (PM2.5) from 12 micrograms per cubic meter (ug/m3) down to 9 ug/m3, changing the game on air quality permitting for much of the U.S. EPA’s February 7, 2024 final rule, which will become effective 60 days following its publication in the Federal Register, represents a reversal of the Trump administration’s decision to retain the PM2.5 standard of 12 ug/m3 set under the Obama administration in 2012. The lower standard will set off a chain reaction of additional requirements for state air agencies, and ultimately industrial sources, in places designated as nonattainment with the new standard, but one impact of the new standard will be felt almost immediately: increased difficulty in obtaining air permits.

For anyone involved in the first round of the Clean Air Act regional haze program, the U.S. Environmental Protection Agency’s (EPA) action on the first business day of 2024 came as no surprise: EPA proposed to disapprove the regional haze plan for Kansas. If the past is any indication of the future, this proposal foreshadows what will likely be many more regional haze state plan disapprovals over the next 12 months, given that EPA has already been hauled into court once again to force it back on schedule.