Rule lifecycle · RIN:2070-AB27
Significant New Use Rules on Certain Chemical Substances (26-1)
Environmental Protection Agency — observed across 4 documents over 47 days. Use the source documents below before deciding whether this affects your business.
In plain English
The EPA is proposing a rule that requires companies to get approval before using certain existing chemicals in new or different ways. If your business uses chemicals in manufacturing or processing, figure out now whether this rule applies to you and prepare to notify EPA before introducing any new chemical uses.
First seen
Apr 24, 2026
Last seen
Jun 10, 2026
Latest stage
Proposed Rule
PRORULE → RULE
28d
Comments close
Friday, July 10, 2026
Stage timeline
Proposed·Apr 24, 2026·91 FR 22075
Significant New Use Rules on Certain Chemical Substances (26-2)
comments close May 26, 2026#2026-08012
Final·May 22, 2026·91 FR 30226
Significant New Use Rules on Certain Chemical Substances (25-1.5e)
effective Jul 21, 2026#2026-10264
Proposed·Jun 5, 2026·91 FR 34480
Significant New Use Rules on Certain Chemical Substances (25-3.5e)
comments close Jul 6, 2026#2026-11319
Proposed·Jun 10, 2026·91 FR 35156
Significant New Use Rules on Certain Chemical Substances (26-1)
comments close Jul 10, 2026#2026-11593