Rule lifecycle · RIN:1218-AD39
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 requires employers to protect workers from heat-related illnesses by providing cooling measures and rest during hot conditions. Your business must establish shade areas, supply drinking water, allow frequent breaks, and train staff on heat safety if any part of your workplace gets hot.
First seen
Nov 29, 2024
Last seen
Sep 25, 2025
Latest stage
Proposed Rule
PRORULE → RULE
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Stage timeline
Proposed·Nov 29, 2024
Heat Injury and Illness Prevention in Outdoor and Indoor Work Settings
#2024-27897
Proposed·Sep 25, 2025
Heat Injury and Illness Prevention in Outdoor and Indoor Work Settings
#2025-18670