Rule lifecycle · RIN:1218-AD56
13 Carcinogens (4-Nitrobiphenyl, etc.)
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 new rules to limit worker exposure to 13 cancer-causing chemicals including 4-Nitrobiphenyl in manufacturing and chemical work. If your business handles these chemicals, review your current safety practices now and get ready for new exposure limits and worker-safety requirements that will take effect soon.
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
13 Carcinogens (4-Nitrobiphenyl, etc.)
#2025-11631
Proposed·Aug 20, 2025
13 Carcinogens (4-Nitrobiphenyl, etc.)
#2025-15898
Proposed·Jul 22, 2026·91 FR 46030
13 Carcinogens (4-Nitrobiphenyl, etc.)
comments close Aug 21, 2026#2026-14844