News & Analysis as of

Drinking Water Risk Assessment Hazardous Substances

BCLP

PFAS Announcement; Administrator Zeldin Signals Continuation of EPA Objectives

BCLP on

On April 28, 2025, EPA Administrator Zeldin issued the Agency’s most comprehensive statement since Trump’s inauguration regarding how EPA plans to address PFAS compounds under a variety of ongoing regulatory programs (“EPA...more

Lathrop GPM

EPA Releases Long Awaited Risk Assessment of PFOA and PFOS in Biosolids

Lathrop GPM on

On January 14, 2025, the EPA released for public comment a risk assessment report evaluating the potential risks associated with land application and land disposal of biosolids containing two types of PFAS, PFOA and PFOS....more

K&L Gates LLP

PFAS Regulation Continues to Take Center Stage: EPA Releases Final Drinking Water Standards

K&L Gates LLP on

On Wednesday, 10 April 2024, the US Environmental Protection Agency (EPA) announced the final National Primary Drinking Water Regulations (NPDWR) for perfluoroalkyl and polyfluoroalkyl substances (PFAS). This came one day...more

Morgan Lewis

EPA Supplemental TSCA Analysis Spurs Renewed Discussion over 1,4-Dioxane Regulation

Morgan Lewis on

The EPA’s supplemental analysis includes certain consumer exposures, as well as surface/ambient water exposures, to 1,4-dioxane. The US Environmental Protection Agency (EPA) released an expanded risk evaluation for...more

Sullivan & Worcester

PFAS Update: Evolving Science and Liability

Sullivan & Worcester on

Recently, we have addressed the evolving regulatory landscape for per- and poly-fluoroalkyl substances (PFAS), as the federal and state governments grapple with finding the best approach to handle PFAS releases from...more

Foley Hoag LLP - Environmental Law

MassDEP Proposes to Ratchet Down PFAS Standards

On Friday, MassDEP proposed a number of revisions to the Massachusetts Contingency Plan, including reporting and cleanup standards for PFAS. The proposed GW-1 standard, applicable to current and potential drinking water...more

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