Rule lifecycle · RIN:1218-AD68
Methylenedianiline
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 proposing to set exposure limits for methylenedianiline, a chemical used in manufacturing that can cause cancer and nerve damage in workers. If your business handles this chemical, you'll need to monitor worker exposure, provide protective equipment and training, and ensure compliance when the rule takes effect.
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
Methylenedianiline
#2025-11643
Proposed·Aug 20, 2025
Methylenedianiline
#2025-15897
Proposed·Jul 22, 2026·91 FR 46028
Methylenedianiline
comments close Aug 21, 2026#2026-14852