Rule lifecycle · RIN:1218-AD55
1,3-Butadiene
Department of Labor, Occupational Safety and Health Administration — observed across 2 documents over 50 days. Use the source documents below before deciding whether this affects your business.
In plain English
OSHA lowering safe exposure limits for 1,3-butadiene, a chemical in tire and rubber production, to reduce cancer risk to workers exposed daily. Shops with workers handling this chemical must measure air quality, upgrade ventilation systems, add protective equipment, or face violations.
First seen
Jul 1, 2025
Last seen
Aug 20, 2025
Latest stage
Proposed Rule
PRORULE → RULE
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Stage timeline
Proposed·Jul 1, 2025
TITLE: 1,3-Butadiene
#2025-11630
Proposed·Aug 20, 2025
1,3-Butadiene
#2025-15899