Illinois OSHA regulations & environmental compliance analysis

Illinois OSHA: What you need to know

Governing Law and Regulations

Occupational Safety and Health Act (OSH Act), 29 USC 651et seq., and regulations at 29 CFR 1900et seq.

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Illinois Health and Safety Act (IHSA), 820 Illinois Compiled Statutes (ILCS) 225/.01 et seq., and regulations at 56 Illinois Administrative Code (IAC) 350.10 to 350.300

Safety Inspection and Education Act, 820 ILCS 220/.01 et seq.

Toxic Substances Disclosure to Employees Act, 820 ILCS 255/1 and 820 ILCS 255/18

Public sector employer defined: 820 ILCS 225/.01

Regulatory Agencies

U.S. Department of Labor Occupational Safety and Health Administration (OSHA)

Illinois Department of Labor (IDOL) Safety Inspection and Education Division

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Private sector (private businesses and nonprofit organizations) workplaces are governed by the federal OSH Act. Illinois has a federally approved occupational safety and health regulatory program for public sector (government offices and operations) employers. The state adopted the federal OSH Act safety and health standards by reference for public sector employers (state and local government operations); there are no additional state requirements.

Administration and enforcement. OSHA administers and enforces workplace safety and health rules in the private sector. IDOL administers and enforces IHSA for public sector workplaces.

State Requirements


820 ILCS 225/.01

The definition of "employer" that determines coverage under the state's workplace safety and health rules in Illinois means state, county, and municipal offices and operations, state universities ...

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