News & Analysis as of

Biden Administration Regulatory Reform Environmental Protection Agency (EPA)

Williams Mullen

Is the Once in, Always in Policy Finally Dead?

Williams Mullen on

EPA’s controversial “Once in, always in, Rule” (Once in Rule) was recently rescinded under the Congressional Review Act, a statute which gives Congress the authority to overturn agency rules if such action is taken within...more

Goldberg Segalla

Does EtO’s Recent Regulatory Battle Victory Mean It Will Win the War?

Goldberg Segalla on

Following years of heightened concern about the dangers of exposure to ethylene oxide (EtO), increased regulatory oversight, and a steady hum of litigation, in 2025 it seems like things might be changing for the beleaguered...more

Allen Matkins

California Environmental Law & Policy Update 7.11.25

Allen Matkins on

The Trump administration will uphold a Biden-era ban on the ongoing use of asbestos after previously saying it would reconsider the rule. The rule requires companies to phase out their use of chrysotile asbestos, which is the...more

Nossaman LLP

What’s Up With WOTUS?

Nossaman LLP on

The intricacies of the Waters of the U.S. (WOTUS) definition continue to evolve, especially with recent changes initiated under the Trump administration and landmark clarifications from the Supreme Court's Sackett v. EPA...more

Bergeson & Campbell, P.C.

EPA Appoints Former ASA Government Affairs Director as OCSPP DAA for Pesticides

Mr. Kyle Kunkler has been appointed the Deputy Assistant Administrator for Pesticides at the U.S. Environmental Protection Agency (EPA) Office of Chemical Safety and Pollution Prevention (OCSPP). Since February 2020, Kunkler...more

Farella Braun + Martel LLP

EPA Seeks a Fourth Abeyance to Reassess Its 2024 Designation of PFOA and PFOS as CERCLA Hazardous Substances

EPA has been granted a fourth abeyance of pending litigation related to the Biden administration’s designation of PFOA and PFOS as hazardous substances under CERCLA....more

MG+M The Law Firm

EPA Moves to Repeal Biden–Harris-Era Power Plant Emissions Rules

MG+M The Law Firm on

On June 11, 2025, the US Environmental Protection Agency, under Administrator Lee Zeldin, proposed repealing two key Biden–Harris-era rules targeting greenhouse gas and air toxic emissions from fossil fuel–fired power plants....more

Vinson & Elkins LLP

EPA Proposes to Repeal Biden-era Regulations Governing Air Toxic Emissions from Coal- and Oil-Fired Power Plants

Vinson & Elkins LLP on

On June 17, 2025, the U.S. Environmental Protection Agency (“EPA”) published a proposed rule to repeal the amendments to the Mercury and Air Toxics Standards (“MATS”) adopted by the Biden administration in 2024. These...more

Morgan Lewis

EPA Proposes Repeal of Greenhouse Gas Standards for Power Plants

Morgan Lewis on

The US Environmental Protection Agency recently issued a proposed rule and accompanying press release announcing its intent to repeal both the 2015 greenhouse gas emissions standards for new fossil fuel-fired power plants...more

Allen Matkins

California Environmental Law & Policy Update 6.13.25

Allen Matkins on

The U.S. Environmental Protection Agency (EPA) moved this Wednesday to erase limits on greenhouse gases from power plants and to weaken restrictions on other hazardous power plant emissions, including mercury, arsenic, and...more

Beveridge & Diamond PC

EPA’s Path Forward on TSCA Becomes Clearer

After a period of uncertainty, how the U.S. Environmental Protection Agency (EPA) plans to revise its implementation of the Toxic Substances Control Act (TSCA) during the second Trump administration is coming into focus...more

Farella Braun + Martel LLP

EPA Continues Reassessment of its 2024 Designation of PFOA and PFOS as CERCLA Hazardous Substances

The EPA is continuing to reevaluate whether to change its position regarding the Biden administration’s 2024 listing of PFOA and PFOS as hazardous substances under CERCLA....more

Mitchell, Williams, Selig, Gates & Woodyard,...

Section 401/Clean Water Act: U.S. Environmental Protection Agency Issues Memorandum Addressing Scope of the Certification Process

The United States Environmental Protection Agency (“EPA”) issued a May 21st memorandum titled” Clarification regarding the Application of Clean Water Act Section 401 Certification (“Memorandum”)....more

DLA Piper

EPA Signals Intention to Modify Biden Administration’s National Primary Drinking Water Regulation for PFAS

DLA Piper on

In response to public feedback on compliance challenges, the US Environmental Protection Agency (EPA) recently announced its intention to modify the National Primary Drinking Water Regulation (NPDWR) for six per- and...more

Fox Rothschild LLP

Observations Regarding EPA’s Recently Announced PFAS Plans

Fox Rothschild LLP on

EPA Administrator Lee Zeldin recently issued a press release that “Announces Major EPA Actions to Combat PFAS Contamination.” As we generally expected, the announcement did not include plans to rescind Biden-era PFAS rules...more

DLA Piper

EPA Announces Vision for PFAS Policy and Commences Rulemaking Activity

DLA Piper on

In late April, US Environmental Protection Agency (EPA) Administrator Lee Zeldin issued a press release announcing EPA’s anticipated policy platform for addressing per- and polyfluoroalkyl substances (PFAS) in the...more

White & Case LLP

EPA Partially Rolls Back PFAS Drinking Water Rule

White & Case LLP on

On May 14, 2025, the U.S. Environmental Protection Agency (EPA) announced that it plans to retain the current drinking water standards for two per- and polyfluoroalkyl substances (PFAS), i.e., perfluorooctanoic acid (PFOA)...more

Beveridge & Diamond PC

EPA Announces Plans to Revisit Certain PFAS Drinking Water Standards

Beveridge & Diamond PC on

Two weeks after U.S. Environmental Protection Agency (EPA) Administrator Zeldin outlined the agency’s PFAS plan in broad strokes, EPA provided more detail on how it intends to proceed with respect to drinking water standards...more

Greenberg Glusker LLP

EPA Announces Rollback of Biden-Era PFAS Rules

Greenberg Glusker LLP on

On May 14th, the U.S. Environmental Protection Agency (EPA) announced that it plans to delay or rescind PFAS (per- and polyfluoroalkyl substances) drinking water standards established by the Biden administration....more

MG+M The Law Firm

Zeldin's EPA Weakens Biden-Era PFAS Rules Despite Upholding Core Standards

MG+M The Law Firm on

On May 14, 2025, the US Environmental Protection Agency (EPA), under Administrator Lee Zeldin, announced its decision to retain the national enforceable drinking water standards for two of the most scrutinized per- and...more

Alston & Bird

EPA Announces Long-Awaited Actions to Address PFAS

Alston & Bird on

Our Environment, Land Use & Natural Resources Group breaks down the newly announced actions the Environmental Protection Agency (EPA) will take to address PFAS contamination....more

Frost Brown Todd

Managing Uncertainty: Regulatory Impacts on the Manufacturing Industry

Frost Brown Todd on

At Frost Brown Todd’s inaugural FBT Connect™ Manufacturing event on April 8, experts opined on the regulatory impacts facing the manufacturing industry today. Jonathan Miller, partner-in-charge of Frost Brown Todd’s...more

Baker Botts L.L.P.

9 Questions About the 2009 Endangerment Finding Reconsideration in 2025

Baker Botts L.L.P. on

Over the course of the last 15 years, the U.S. Environmental Protection Agency (EPA) has developed a suite of regulations under the Clean Air Act (CAA) built upon EPA’s finding – originally made in 2009 – that greenhouse gas...more

Holland & Knight LLP

The PFAS Drinking Water Rule Under the Second Trump Administration

Holland & Knight LLP on

Major trade associations and water systems filed suit to challenge the Biden-era U.S. Environmental Protection Agency's (EPA) National Primary Drinking Water Rule for six per- and polyfluoroalkyl substances (PFAS) under the...more

Bergeson & Campbell, P.C.

The Clock Is Ticking for Republicans to Use the Congressional Review Act

Congress has approximately one month to use the Congressional Review Act (CRA) to undo qualifying Biden Administration-issued regulations. According to an updated analysis by Bloomberg Government, the estimated period to...more

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