Rule lifecycle · DOCKET:OSHA-2021-0009

Heat Injury and Illness Prevention in Outdoor and Indoor Work Settings

Department of Labor, Occupational Safety and Health Administration — observed across 2 documents over 300 days. Use the source documents below before deciding whether this affects your business.

In plain English

OSHA is proposing that businesses protect workers from heat illness by providing water, rest breaks, and access to shade or cool areas when working in hot conditions indoors or outdoors. You'll need a heat safety plan, train supervisors to recognize heat illness, and ensure workers get regular breaks and water to avoid fines.

First seen

Nov 29, 2024

Last seen

Sep 25, 2025

Latest stage

Proposed Rule

PRORULE → RULE

Stage timeline

  1. Proposed·Nov 29, 2024

    Heat Injury and Illness Prevention in Outdoor and Indoor Work Settings

    #2024-27897

  2. Proposed·Sep 25, 2025

    Heat Injury and Illness Prevention in Outdoor and Indoor Work Settings

    #2025-18670