Governing Law and Regulations
Massachusetts General Laws (MGL), Chapter 149, Section 6
Massachusetts Hazardous Substance Disclosure by Employers Act, MGL, Chapter 111F, Section 2, and regulations at 454 Code of Massachusetts Regulations 21.00
Public sector employers: MGL, Chapter 111F, Section 1 and MGL, Chapter 149, Section 6
U.S. Department of Labor Occupational Safety and Health Administration (OSHA) Region 1
Massachusetts Executive Office of Labor and Workforce Development Department of Labor Standards (DLS)
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Massachusetts is not a "state plan" state; that is, it does not have a federally approved occupational safety and health regulatory program. Thus, the federal Occupational Safety and Health (OSH) Act governs private sector workplaces. The state may investigate county and municipal government workplaces to ensure compliance with its policy that such employers must follow federal workplace safety and health rules.
Massachusetts has its own hazard communication, or worker right-to-know, law that applies to all public sector workplaces, including state, county, and municipal offices and operations. See the state section HAZARD COMMUNICATION STANDARD for more information about worker right-to-know rules.
• Administration and enforcement. OSHA implements and enforces all job safety and health regulations for the private sector workplaces in Massachusetts. DLS investigates all public sector workplaces for compliance with the state's hazard communication requirements, and county and municipal workplaces for compliance with ...