OSH Act General Duty Clause; state heat rules
Heat & Outdoor Work
What Heat & Outdoor Work requires
Several state plans have enforceable heat standards, and federal OSHA enforces heat hazards under the General Duty Clause. Expect water, rest, shade, acclimatization, and an emergency response plan.
Who must be trained: Employees exposed to this hazard, before the exposure begins.
What must be on file: Heat illness prevention plan, Acclimatization schedule, Training acknowledgments.
Source: OSHA heat exposure guidance
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- Heat illness signs and response
- Hydration and acclimatization
- Cold stress basics
Documents you need
- Heat illness prevention plan
- Acclimatization schedule
- Training acknowledgments
What we track
- Employee name and role
- Course completed and date
- Score and pass/fail
- Certificate on file
- Retraining due date
The inspection moment
"Show me your heat illness prevention plan."
In Dsyfer that's one click: every employee, every date, every certificate, with the next retraining date already scheduled.
See what applies to meSource and review
OSHA heat exposure guidance on osha.gov
This page was last reviewed on September 4, 2026. Educational summary only. Consult the full text of the standard and any applicable state plan for the authoritative requirements. Not legal advice.