Governing Law and Regulations
U.S. Occupational Safety and Health Act, 29 USC 651et seq., and regulations at 29 CFR 1910.1200
Hazardous Substances Disclosure by Employers Act (HSDEA), Massachusetts General Laws (MGL), Chapter 111F, Sections 7 to 11, and MGL Chapter 111F, Sections 13 to 15, and regulations at 454 Code of Massachusetts Regulations CMR) 21.01 to 21.09
Who is covered:
Covered employers and employer exemptions: 454 CMR 21.01
Employee access to information: 454 CMR 21.04
Labeling: 454 CMR 21.05
Posting: 454 CMR 21.03
Training and education: 454 CMR 21.07
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. The federal Occupational Safety and Health (OSH) Act governs the private sector (private businesses and nonprofit organizations) workplace in Massachusetts. For a detailed discussion of the federal standard, see the national section HAZARD COMMUNICATION STANDARD.
Massachusetts has its own worker right-to-know law (HSDEA) that applies to public sector workplaces. This law is not federally approved; therefore, it is preempted by federal Occupational Safety and Health Administration (OSHA) in the private sector workplace and applies to the public sector (state, county, and municipal government offices and operations, except armories and police stations where ammunition is stored) workplace only. The workplace portion of the law follows the requirements of the federal hazard communication ...