Biosolids are treated waste solids generated from sewage sludge that have been processed so that they can be applied to land as a fertilizer. Advocates of biosolid use point to its ability to enrich soil without the use of synthetic
PFAS and Emerging Contaminants
The PFAS and Emerging Contaminants blog, published by Fox Rothschild LLP, focuses on legal developments related to per- and polyfluoroalkyl substances (PFAS) and other emerging environmental contaminants. It covers regulatory updates such as state-level product labeling requirements, sales bans, and reporting rules under federal statutes like TSCA. The blog also discusses litigation and settlement developments involving major manufacturers, challenges to EPA regulatory designations, and state environmental agency determinations on exemptions and unavoidable uses. The content addresses compliance strategies, enforcement trends, and policy shifts impacting manufacturers, importers, and other stakeholders in industries affected by PFAS regulations.
Latest from PFAS and Emerging Contaminants - Page 2
Ringing in 2026 with a Look at Newly Effective State Regulation of PFAS in Products
January 1, 2026 was the effective date for a number of state law provisions relating to intentionally added PFAS in certain categories of products. July 1, 2026 will be the effective date for several more. As we have discussed in…
State and Federal PFAS Litigation – 2019 to Q4 2025
PFAS-related litigation continues to climb and to diversify as to claims and parties. See the attached graphics, updated through the fourth quarter of 2025. We will continue to update these graphics on a quarterly basis

Oral Argument Scheduled in Hazardous Substance Designation Litigation
Following the completion of briefing in the challenge to EPA’s rule designating PFOA and PFOS as hazardous substances under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), oral argument has been scheduled for Tuesday, January 20, 2026.
On January…
Update in PFAS Drinking Water Litigation
As previously reported, in the context of litigation by utilities challenging Maximum Contaminant Levels (“MCLs”) for PFAS in drinking water, the United States Environmental Protection Agency (“EPA”) filed a Motion to Vacate the MCLs for PFHxS, PFNA, HFPO‑DA, and…
PFAS Product Labeling Requirements Set to Take Effect in Connecticut and New Mexico in the Coming Months
Both Connecticut and New Mexico are moving forward with regulations to implement statutory labeling requirements for products in certain categories that contain intentionally added PFAS. Connecticut’s labeling requirement will be effective July 1, 2026, and New Mexico’s, when approved and…
EPA Proposes Significant Changes to the TSCA PFAS Reporting Rule That Would Expand Exemptions
As foreshadowed in EPA’s most recent Unified Agenda, EPA has proposed to add four significant categories of exemptions to the TSCA PFAS Reporting Rule (Rule), citing burdensomeness of the existing Rule. Under the Proposed Rule, these new exemptions would include:…
Update on NJDEP PFAS Settlements with 3M and DuPont Entities
On November 21, 2025, the New Jersey Department of Environment Protection (NJDEP) filed notice with the U.S. District Court for the District of New Jersey that on January 7, 2026, it will move for entry of the Judicial Consent Orders…
Petitioners File Reply Brief Challenging EPA’s PFAS Hazardous Substance Designation
As previously reported, the U.S. Chamber of Commerce and two other trade groups have challenged EPA’s designation of PFOA and PFOS as hazardous substances under CERCLA. On November 14, 2025, petitioners filed their Joint Reply Brief in the U.S.…
Maine DEP Issues Initial Currently Unavoidable Use Determinations for PFAS-Containing Products Subject to Impending Sales Prohibition
Updating our earlier post from March 2025, Maine has completed a regulatory process and has adopted updates to its PFAS in products rules to identify two approved Currently Unavoidable Use (CUU) exemptions from the state’s phased ban on in-state…