News & Analysis as of

Hazardous Substances Regulatory Reform Biden Administration

Allen Matkins

California Environmental Law & Policy Update 7.11.25

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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

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

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

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

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

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

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

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

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

Pillsbury - PFAS Observer

EPA Signals Potential PFAS Policy Pivot Under New Administrator

In March, EPA Administrator Lee Zeldin addressed top state environmental officials, highlighting the Agency’s priorities for the year ahead. Without committing the EPA to an official stance, Zeldin reaffirmed his commitment...more

Snell & Wilmer

EPA opens the Door to Widespread Liability to Businesses

Snell & Wilmer on

EPA’s listing of two “forever Chemicals” as CERCLA hazardous substances will re-open sites that companies had thought were closed. And every user of a product that contained them may become responsible for a share of the...more

Eversheds Sutherland (US) LLP

Not more than one (PFAS) drop per 5 olympic pools! EPA sets stage for turbulent patchwork of local PFAS regulations

In March 2023, the Administration took another major step in its strategic roadmap to combat and hold PFAS users accountable for PFAS contamination by proposing new rules establishing the first-ever national drinking water...more

Jenner & Block

EPA Proposes Hazardous Substance Facility Response Plan Regulations; Includes Climate Change and Environmental Justice...

Jenner & Block on

On March 11, 2022, the U.S. Environmental Protection Agency (“EPA”) announced it was proposing new regulations that would require certain facilities located close to navigable waters create and submit Facility Response Plans...more

Jenner & Block

EPA Plans to Improve Lead and Copper Drinking Water Rule While Facing Legal Challenge from States

Jenner & Block on

EPA faces continuing pressure to improve the way it protects communities from lead in drinking water. One focus of the current EPA has been the Lead and Copper Drinking Water Rule Revisions (“LCRR”), promulgated under the...more

Nossaman LLP

Biden-Harris Administration Announces Updated Plan to Address PFAS Chemicals

Nossaman LLP on

On October 18, 2021, the Biden-Harris administration announced an updated government-wide “comprehensive approach” to address per- and polyfluoroalkyl substances (PFAS), a set of man-made chemicals that are widely used in a...more

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