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Finance & markets · 26/08/2026Updated: 10/17/2026 · 1 min read

Superfund Tax on Chemical Substances; Request To Modify List of Taxable Substances; Notice of Filing for Methylene Diphenyl Diisocyanate; n=2.0-3.0

Summary

The Environmental Protection Agency (EPA) has filed a petition to add methylene diphenyl diisocyanate (MDI), also known as a chemical used in foam insulation, to the list of hazardous substances subject to a federal tax. The EPA is seeking public comments on the proposal.

Original source language: Federal Register — Department of the TreasuryOpen original release →

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