Massachusetts · Workplace safety

The workplace safety (OSHA) rules in force in Massachusetts now.

Federal OSHA for private employers; Massachusetts State Plan (DLS Workplace Safety and Health Program for Public Employees) covers state and local government workers only. Enforced by U.S. Department of Labor - OSHA (private sector); Massachusetts Department of Labor Standards (public sector only). Verified on the primary source, re-checked weekly.

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Workplace safety in Massachusetts

Verified on the source

In force

Federal OSHA for private employers; Massachusetts State Plan (DLS Workplace Safety and Health Program for Public Employees) covers state and local government workers only

OSHA granted the plan initial approval Aug 18, 2022 (87 FR 50766); federal workers excluded. Private hotels, HOAs and facilities follow federal OSHA, including HazCom 2024 employer deadlines Nov 20, 2026 (substances) and May 19, 2028 (mixtures).

Source: primary document

Who enforces it

U.S. Department of Labor - OSHA (private sector); Massachusetts Department of Labor Standards (public sector only)

Statewide layer. County and city amendments sit on top; the building view resolves them from your ZIP.

What changes next

HazCom Nov 20, 2026

HazCom employer compliance Nov 20, 2026 (substances)

The federal layer

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.

Dated items

Next 24 months

Nov 20, 2026

OSHA Hazard Communication (2024 update, dates extended four months): employers must update workplace labeling, HazCom program and training for substancesFederal OSHA, 29 CFR 1910.1200

Dated

May 19, 2028

OSHA Hazard Communication (2024 update): employer compliance date for mixtures (labeling, HazCom program, training)Federal OSHA, 29 CFR 1910.1200

Dated

Questions about the workplace safety (OSHA) rules in Massachusetts

Which OSHA rules apply in Massachusetts today?

Federal OSHA for private employers; Massachusetts State Plan (DLS Workplace Safety and Health Program for Public Employees) covers state and local government workers only. OSHA granted the plan initial approval Aug 18, 2022 (87 FR 50766); federal workers excluded. Private hotels, HOAs and facilities follow federal OSHA, including HazCom 2024 employer deadlines Nov 20, 2026 (substances) and May 19, 2028 (mixtures).

Who enforces the workplace safety (OSHA) rules in Massachusetts?

U.S. Department of Labor - OSHA (private sector); Massachusetts Department of Labor Standards (public sector only).

What changes next for the workplace safety (OSHA) rules in Massachusetts?

HazCom Nov 20, 2026. HazCom employer compliance Nov 20, 2026 (substances)