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Finance & markets · 01/10/2026Updated: 10/17/2026 · 1 min read

EPA Seeks Comments on Proposal to Add Styrene Isoprene Block Copolymer to Superfund Tax List

Summary

The Environmental Protection Agency (EPA) has filed a petition to add styrene isoprene block copolymer (SIS Rubber) to the list of hazardous chemicals subject to a superfund tax, seeking comments from the public. The EPA has not yet determined the outcome of the petition.

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

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