Environment

EPA Significant New Use Rules for Certain Chemical Substances

🇺🇸United States··Final Rule·Medium Impact·View source ↗

AI-generated summary for informational purposes only. Not legal advice. See the original source for the authoritative text.

🇬🇧 English

This rule requires companies to notify the EPA before making, importing, or processing certain chemical substances for uses the agency treats as significant new uses. The notice must be filed at least 90 days before the activity begins. Businesses covered by the rule cannot start the new use until the EPA reviews the notice, reaches a decision, and requires any needed controls. Chemical manufacturers, importers, and processors should check whether their planned activities involve the listed substances before changing production, sourcing, or processing practices.

AI-generated summary. May contain errors. Refer to official sources for legal decisions.

Key Changes

  • Requires 90-day advance notice to EPA before certain new manufacturing, import, or processing uses begin
  • Bars companies from starting covered new uses until EPA completes its review and decision
  • Applies to certain chemical substances previously reviewed through premanufacture notices and EPA orders

Obligations

What this law requires

high

Notify the EPA before manufacturing, importing, or processing any listed chemical substance for an activity designated as a significant new use under the SNUR.

chemical manufacturerschemical importerschemical processors
At least 90 days before commencing the significant new use
reporting
critical

Do not commence manufacture, import, or processing for a designated significant new use until EPA has reviewed the required notification, made an appropriate determination, and taken any actions required by that determination.

chemical manufacturerschemical importerschemical processors
Before commencing the significant new use
prohibition
high

Beginning on the rule’s effective date, comply with the SNUR requirements for the listed chemical substances subject to the rule.

chemical manufacturerschemical importerschemical processors
Effective July 21, 2026
operational

Affected Parties

Chemical manufacturersChemical importers+2 more…

Tags

EPA,chemical regulation,TSCA…