News & Analysis as of

Toxic Chemicals Superfund Regulatory Requirements

Bergeson & Campbell, P.C.

IRS Modifies List of Taxable Chemical Substances to Include 21 Chemicals

On August 4, 2025, the Internal Revenue Service (IRS) published a notice of determinations that modifies the list of taxable substances to include the following 21 substances: polyphenylene sulfide, cellulose acetate (degree...more

WilmerHale

Potential Impacts Of The EPA's Designation Of PFAS As Hazardous Substances

WilmerHale on

Designation of PFAS as Hazardous Substances - On September 6, 2022, the Environmental Protection Agency (EPA) designated two per- and polyfluoroalkyl substances (collectively, PFAS) as “hazardous substances” under the...more

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