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Maryland Occupational Safety and Health (MOSH) - Division of Labor and Industry

Prevent Heat Illness at Work

prevent heat illness and work link
                                         Consejos para Prevenir las Enfermedades Relacionadas con el Calor en el Trabajo (Recomendado durante Verano)

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Worker Rights and Safety

Click below to read the latest OSHA newsletter on worker rights and safety – 8/15/2023 edition

Reducing Exposure to Wildfire Smoke for Outdoor Workers

Plan. Prepare. Reduce.

Air quality map of the US

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MOSH's mission is to promote and assure workplace safety and health while reducing workplace fatalities, injuries and illnesses. MOSH achieves its mission through various means, including inspections, consultation services, compliance assistance, outreach, education, and cooperative programs. By accomplishing our mission MOSH saves lives, enhances the quality of life of working people, and contributes to the economic vitality of the State.

Heat Stress Proposed Regulations

Heat Stress
Title 5, Subtitle 12 of the Labor and Employment Article, Annotated Code of Maryland, Chapter 308, Laws of 2020 (House Bill 722) – Heat Stress Standards, requires the Commissioner of Labor and Industry, in consultation with the MOSH Advisory Board, to develop and adopt regulations by October 1, 2022 to protect employees from heat-related stress in the workplace.

Educational and training materials, including a free heat safety tool app from the National Institute of Occupational Safety and Health (NIOSH) can be found here:

OSHA Heat Stress Information and Materials

Overview of MOSH and Consultation Services

This video provides an overview of MOSH and our free Consultation Services

Report a Fatality/Imminent Danger
Business Hours: 410-527-4499
After Hours: 1-888-257-6674


MOSH is one of 28 OSHA-approved State Plans, and is funded with federal and special funds.  Section 18 of the OSH Act encourages states to develop and operate their own job safety and health programs.

MOSH staff develop and propose rules and regulations, with the assistance of the MOSH Advisory Board, to prevent injuries and occupational diseases in every occupation or place of employment in Maryland.

MOSH has jurisdiction over all public and private sector workplaces in Maryland with the following exceptions:

  • An employee of the federal government or its units
  • An employee whose occupational safety and health is protected under:
    • The Federal Mine Safety and Health Act of 1977
    • The Longshore and Harbor Workers’ Compensation Act
    • The Atomic Energy Act of 1954

MOSH works to improve the safety and health of Maryland’s workforce in both the public and private sector by:

  • providing consultation services
  • offering outreach and educational programs
  • establishing partnerships
  • setting and enforcing standards
  • encouraging continual process improvement in workplace safety and healthy

MOSH Contacts

Administration/General Information 410-527-4499
Consultation 410-527-4472
Operations 410-527-4447
Outreach 410-527-2091
Research & Statistics


Region I :Eastern Shore counties 410-819-5860
Region II: Industrial Hygienists--All Maryland counties 410-527-4442
Region III: Baltimore City 410-527-4426
Region IV: Garrett, Allegany, Washington, Frederick and Montgomery, & counties 301-791-4699
Region V: Carroll, Howard and Anne Arundel counties 410-527-4458
Region VI: Prince George’s, Calvert, Charles and St. Mary’s counties 301-883-3317
Region VII: Baltimore County, Harford, and Cecil counties 410-527-4434

Division of Labor and Industry
Maryland Occupational Safety and Health (MOSH)

10946 Golden West Drive, Suite 160
Hunt Valley, MD 21031
Phone: 410-527-4499
Fax: 410-527-4481
Directions to the Hunt Valley Training Center