Rule lifecycle · RIN:1218-AD57
Acrylonitrile
Department of Labor, Occupational Safety and Health Administration — observed across 3 documents over 386 days. Use the source documents below before deciding whether this affects your business.
In plain English
OSHA is tightening safety rules for acrylonitrile, a toxic chemical used in plastics and rubber manufacturing. If your business uses this chemical, start preparing now for likely requirements: better safety gear, updated worker training, and lower exposure limits.
First seen
Jul 1, 2025
Last seen
Jul 22, 2026
Latest stage
Proposed Rule
PRORULE → RULE
—
Comments close
Friday, August 21, 2026
Stage timeline
Proposed·Jul 1, 2025
Acrylonitrile
#2025-11632
Proposed·Aug 20, 2025
Acrylonitrile
#2025-15900
Proposed·Jul 22, 2026·91 FR 46034
Acrylonitrile
comments close Aug 21, 2026#2026-14845