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Environment, Health and Safety Division

Stop Work Policy


All Berkeley Lab employees, contractors, and participating guests are responsible for stopping work activities that are considered to be an imminent danger.

An “imminent danger” is defined as any condition or behavior that could reasonably be expected to cause death or serious injury, or environmental harm.

Whenever an employee, contractor, or participating guest encounters conditions or practices that appear to constitute an imminent danger, such individuals have the authority and responsibility to:

  • Alert the affected employee(s) or contractor(s) engaged in the unsafe work creating an imminent-danger condition and request that the work be stopped.
  • Call x6999 to report the incident. An EH&S staff will investigate.
  • Notify the immediate supervisor and/or responsible division/department manager.

When in doubt about a safety condition, contact your supervisor.

Refer to "Stopping Unsafe Work" in PUB 3000 for more information.