Rule lifecycle · DOCKET:OSHA-2025-0020

1,2-dibromo-3-chloropropane; 1, 3-Butadiene; 13 Carcinogens (4-Nitrobiphenyl, etc.); Acrylonitrile; Asbestos; Benzene; Cadmium; Coke Oven Emissions; Cotton Dust; Ethylene Oxide; Formaldehyde; Inorganic Arsenic; Lead; Methylene Chloride; Methylenedianiline; Vinyl Chloride; Amending the Medical Evaluation Requirements in the Respiratory Protection Standard for Certain Types of Respirators; Safety Color Code for Marking Physical Hazards; Textiles; Sawmills; Safety Color Code for Marking Physical Hazards for Shipyard Employment; and Walking-Working Surfaces

Department of Labor, Occupational Safety and Health Administration — observed across 3 documents over 337 days. Use the source documents below before deciding whether this affects your business.

In plain English

OSHA is updating rules requiring medical exams for workers using respirators, standardizing hazard color codes, and improving walking-surface safety standards. If your business has chemical exposure, textile or sawmill operations, or elevated work areas, start planning for new medical screening requirements and hazard-marking updates.

First seen

Jul 1, 2025

Last seen

Jun 3, 2026

Latest stage

Proposed Rule

PRORULE → RULE

Stage timeline

  1. Proposed·Jul 1, 2025

    TITLE: 1,3-Butadiene

    #2025-11630

  2. Proposed·Aug 20, 2025

    1,3-Butadiene

    #2025-15899

  3. Proposed·Jun 3, 2026·91 FR 33131

    1,2-dibromo-3-chloropropane; 1, 3-Butadiene; 13 Carcinogens (4-Nitrobiphenyl, etc.); Acrylonitrile; Asbestos; Benzene; Cadmium; Coke Oven Emissions; Cotton Dust; Ethylene Oxide; Formaldehyde; Inorganic Arsenic; Lead; Methylene Chloride; Methylenedianiline; Vinyl Chloride; Amending the Medical Evaluation Requirements in the Respiratory Protection Standard for Certain Types of Respirators; Safety Color Code for Marking Physical Hazards; Textiles; Sawmills; Safety Color Code for Marking Physical Hazards for Shipyard Employment; and Walking-Working Surfaces

    #2026-11126