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OSHA by state

OSHA Requirements in Washington

State Plan

Washington State operates WISHA, covering all private sector and state/local government workers. Known for progressive safety standards including ergonomics and workplace violence prevention.

Who enforces
WISHA
Who is covered
Private and Public Sector

What this means for your worksites

  • Heat exposure rules
  • Wildfire smoke protection
  • Ergonomics requirements
  • Fall restraint emphasis

Where WISHA goes beyond federal OSHA

A state plan has to be at least as effective as federal OSHA, and may be stricter. These are the areas where Washington differs.

  • Outdoor Heat Exposure rule
  • Wildfire Smoke rule
  • Ergonomics rule (caution zone jobs)
  • Workplace Violence in Healthcare
  • Fall restraint emphasis over fall arrest
  • Crane certification requirements
  • Chemical hazard communication updates

Requirements to plan for

Heat Exposure Rule

Requirements kick in at 52°F (clothing), 77°F (double-layer clothing), or 89°F (all workers)

Ergonomics Rule

Caution zone job analysis and hazard reduction required

Wildfire Smoke

Respiratory protection when PM2.5 levels reach unhealthy levels

Lead in Construction

More stringent lead exposure limits than federal OSHA

Major industries in Washington

ConstructionManufacturingHealthcareTechnology

Where to check

Requirements and penalty amounts change. Confirm the current position with the enforcing agency rather than relying on a summary.

Washington Industrial Safety and Health ActOSHA state plans

Running sites in Washington?

WorkSafely SMB keeps your safety programs, training records and inspections in one place, so the paperwork is ready whoever knocks on the door.

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General guidance only, not legal advice. Jurisdiction and coverage are summarised from public OSHA information and can change. Verify against the enforcing agency for your worksite.