United States
#00207
Case study of
#00194 Statutory heat rules for outdoor work: WBGT stop-work thresholds, midday bans and funded inspections
Implementer
US Occupational Safety and Health Administration (OSHA), proposed Heat Injury and Illness Prevention rule
Timeline
Since Aug 1, 2024
Location
Description
Documents the failure of the federal regulatory route to outdoor-worker heat protection in the United States. OSHA published a proposed Heat Injury and Illness Prevention rule (NPRM) in August 2024 and held public hearings in June–July 2025. As of July 2026 the rule remained unfinalized, with a supplemental NPRM slated for December 2026, meaning no enforceable federal heat standard exists. The failure is compounded by state preemption: Florida HB 433 and Texas law bar local governments from enacting their own worker heat protections, so in those states the federal stall leaves outdoor workers with no statutory protection at any level of government.
Metrics
2Funding
Lessons learned
- Multi-year federal notice-and-comment rulemaking means workers face multiple deadly seasons between proposal and enforceable protection; two years after the NPRM there is still no rule in force.
- State preemption (Florida HB 433, Texas) can eliminate the local fallback precisely where the national route stalls, leaving outdoor workers with no statutory protection at any level.
- Contrast with Qatar and Spain, where a ministerial decision or decree-law delivered enforceable rules within months; the US notice-and-comment route has delivered none in two years.
- Advocates should plan for the regulatory route to fail or stall and pursue parallel channels: state standards where not preempted, procurement conditions, and collective agreements.
Documented Jul 24, 2026