Federal OSHA, 29 CFR 1910. Enforced by U.S. Department of Labor, OSHA. Verified on the primary source, re-checked weekly.
Florida has no state plan; federal OSHA enforces. Hazard Communication: substances by November 20, 2026, mixtures by May 19, 2028.
Source: primary document
Statewide layer. County and city amendments sit on top; the building view resolves them from your ZIP.
Dated change ahead; the rule above stays in force until then.
The federal layer applies in every state: OSHA's Hazard Communication update (91 FR 1695) sets November 20, 2026 for substances and May 19, 2028 for mixtures. State-plan states enforce it through their own agency.
Federal OSHA, 29 CFR 1910. Florida has no state plan; federal OSHA enforces. Hazard Communication: substances by November 20, 2026, mixtures by May 19, 2028.
U.S. Department of Labor, OSHA.
HazCom Nov 20, 2026.
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