News & Analysis as of

Appeals Stays Environmental Protection Agency (EPA)

Pillsbury - PFAS Observer

D.C. Circuit Restarts Litigation over EPA’s PFAS Drinking Water Standards, Continues Pause in CERCLA Litigation

On July 22, 2025, the U.S. Court of Appeals for the District of Columbia (D.C.) Circuit granted a motion by the Environmental Protection Agency (EPA) to lift the abeyance in consolidated litigation challenging the agency’s...more

Bergeson & Campbell, P.C.

EPA Extends Postponement of Effective Date of Certain Provisions of TCE Risk Management Rule 

On June 23, 2025, the U.S. Environmental Protection Agency (EPA) extended the postponement of the effective date of certain regulatory provisions of its December 17, 2024, final risk management rule for trichloroethylene...more

Fox Rothschild LLP

Pause Continues in Litigation Over PFAS MCLs and Hazardous Substances Designation

Fox Rothschild LLP on

EPA has again obtained extensions of the stays in the litigation challenging the MCLs for six PFAS and the litigation challenging the hazardous substance designation for PFOS and PFOA. EPA requested the U.S. Court of...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

Bergeson & Campbell, P.C.

EPA Provides Update on Status of TSCA Risk Management Rule for TCE

On March 24, 2025, the U.S. Environmental Protection Agency (EPA) provided an update on the effective date of the Toxic Substances Control Act (TSCA) final risk management rule for trichloroethylene (TCE). As reported in our...more

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

Interstate Transport/Ozone: United State Supreme Court Issues Stay for D.C. Circuit Court of Appeals

Co-Author Jordan Wimpy The United States Supreme Court issued on June 27th a stay on the Ozone Federal Implementation Plan (i.e, Good Neighbor Rule) while the District of Columbia Circuit Court of Appeals hears and decides...more

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

U.S. Environmental Protection Agency Interpretive Memorandum Addressing Cybersecurity: Eight Circuit Court of Appeals Grants Stay...

The United States Court of Appeals for the Eighth Circuit (“Eighth Circuit”) granted a stay of a United States Environmental Protection Agency interpretive rule associated with a March 3rd memorandum titled: Addressing PWS...more

Bracewell LLP

Limetree Court Denies Stay Pending Appeal of Order Approving 363 Sale

Bracewell LLP on

A recent order from the United States Bankruptcy Court for the Southern District of Texas (the “Court”) allowed a debtor to reopen a completed auction based on a significantly more attractive, but untimely, bid. The late bid...more

Jackson Walker

EPA Proposes to Revise Significant Aspects of Methane Rule

Jackson Walker on

Two years ago, the EPA adopted the New Source Performance Standards (NSPS) Subpart OOOOa (commonly known as the Methane Rule), which allowed the EPA – for the first time – to regulate directly the emissions of methane gas...more

Husch Blackwell LLP

U.S. Supreme Court Sends Waters of the US Rule to District Courts; Nationwide Stay in Question

Husch Blackwell LLP on

On January 22, 2018, the U.S. Supreme Court unanimously held that challenges to the 2015 Waters of the United States Rule (the “WOTUS Rule” or “Rule”) belong in district court rather than the appellate court. The WOTUS Rule...more

Snell & Wilmer

Seven Months into the Trump Administration, Outlook of Controversial Obama-Era Ozone Standard Remains Hazy

Snell & Wilmer on

The status of a controversial rule establishing more stringent ambient air quality standards for ozone—promulgated by former President Barack Obama’s Environmental Protection Agency (EPA)—remains unclear following a series of...more

K&L Gates LLP

Clean Water Rule Stayed Nationwide

K&L Gates LLP on

On October 9, 2015, the United States Court of Appeals for the Sixth Circuit issued a stay of the Obama Administration’s new rule defining the scope of federal jurisdiction under the Clean Water Act. The stay postpones...more

Perkins Coie

Federal Appeals Court Blocks Clean Water Rule Nationwide

Perkins Coie on

In an attempt to “temporarily silence[] the whirlwind of confusion that springs from uncertainty,” the U.S. Court of Appeals for the Sixth Circuit has blocked the new rule defining “waters of the United States” under the...more

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