Always verify: State OSHA rules change. This guide reflects requirements as of 2025. Verify current standards with your state agency or at OSHA.gov before making compliance decisions.

Federal OSHA coverage

Private-sector employers in Illinois are governed by federal OSHA — 29 CFR Part 1910 for general industry and 29 CFR Part 1926 for construction. Federal OSHA Area Offices in Chicago North, Chicago South, and Peoria cover enforcement across the state.

No private-sector State Plan

Illinois operates a State Plan covering only state and local government employees through the Illinois Department of Labor. Private employers report to and are inspected by federal OSHA.

OSHA 10 requirement

Illinois does not have a statewide law requiring OSHA 10 cards on construction projects, though Chicago and some municipalities have imposed local requirements on city-funded projects. Verify contractual requirements on each project.

Asbestos and lead

Illinois has its own asbestos abatement licensing program through the Illinois Environmental Protection Agency (IEPA), which exceeds federal requirements. Workers performing regulated asbestos abatement must be licensed by the state.

Workers' compensation

Illinois has one of the more active workers' compensation systems in the country. A workplace injury that triggers a workers' comp claim may also be an OSHA recordable incident — the two systems are managed separately but often interact.

Heat illness

Illinois follows federal OSHA enforcement through the General Duty Clause for heat illness. No state-specific heat standard exists, but federal enforcement has increased in construction and agriculture during summer months.

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