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Deregulation Hazardous Substances

Nutter McClennen & Fish LLP

Environment & Energy Insights (April 2025)

Welcome to the April edition of Nutter’s Environment & Energy Insights, a periodic update of current trends in environment and energy law. This month we cover: EPA is changing the meaning of “waters of the United States.”...more

Seyfarth Shaw LLP

EPA-pocalypse Now!

Seyfarth Shaw LLP on

Seyfarth Synopsis: A second Trump administration is likely to bring sweeping changes to environmental regulatory and enforcement agendas. During the first Trump term, his administration focused on significant deregulation in...more

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

Hazardous Materials Regulations Revisions: U.S. Pipeline and Hazardous Materials Safety Administration Addresses Industry...

The United States Pipeline and Hazardous Materials Safety Administration (“PHMSA”) issued a November 7th final rule amending the federal Hazardous Materials Regulations (“HMR”). See 83 Fed. Reg. 55792. The Hazardous...more

Burr & Forman

EPA To Assess Health Threat Posed By At Least Some PFAS Substances, But There Are Doubts About Objectivity

Burr & Forman on

EPA Administrator Scott Pruitt has announced an effort to assess the potential health risks posed by a class of chemicals known as per-and polyfluoroalkyl substances (PFAS) that have been found in significant concentrations...more

Williams Mullen

Environmental Notes - March 2018

Williams Mullen on

Since 1995, EPA has followed a policy that any air emissions source that emits one or more hazardous air pollutants (“HAPs”) above major source emissions thresholds is always considered a major source of HAPs. This is so even...more

Robinson & Cole LLP

EPA Tosses Out the “Once In, Always In” Policy For Major Sources of Hazardous Air Pollutants

Robinson & Cole LLP on

On January 25, 2018, the Environmental Protection Agency (EPA) withdrew its longstanding but controversial “once in, always in” policy that a “major source” of hazardous air pollutants (HAP) was forever locked into “major...more

Seyfarth Shaw LLP

EPA Withdraws “Once In Always In” Policy For Major HAP Sources

Seyfarth Shaw LLP on

Seyfarth Synopsis: In another example of business-friendly regulatory agency actions, the U.S. Environmental Protection Agency has just rescinded the “Seitz Memo” associated with the “Once In, Always In” policy affecting the...more

Pierce Atwood LLP

EPA's "Once In, Always In" Policy Is Tossed Out

Pierce Atwood LLP on

On January 25, 2018, EPA announced that it was withdrawing its “once in, always in” policy for the classification of major sources of hazardous air pollutants (HAPs) under Section 112 of the Clean Air Act. Under its new...more

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