Compliance & Regulations

Right-to-Know

The principle and laws giving workers the right to know about hazardous substances they may be exposed to at work.

Reviewed June 2026 by Enterprise Health

Key facts

  • Workers' right to information about hazardous substances they may face.
  • Embodied in OSHA's Hazard Communication Standard and state/community laws.
  • Includes access to one's own exposure and medical records (29 CFR 1910.1020).

What it means

Right-to-Know is embodied in OSHA's Hazard Communication Standard and in state and community laws. It guarantees employees access to chemical hazard information, Safety Data Sheets and exposure records — including their own medical and exposure records under 29 CFR 1910.1020, which an occupational-health system must be able to produce on request.

Frequently asked

What is the 'Right-to-Know'?

It's the principle — codified in OSHA's Hazard Communication Standard and various state laws — that workers can learn about the hazardous chemicals they may be exposed to, via labels, Safety Data Sheets and training.

Can employees access their own exposure records?

Yes. Under 29 CFR 1910.1020, workers and their designated representatives have the right to their exposure and medical records, which an occupational-health system must be able to produce on request.

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