One of the most regulated states for drug lab cleanup. Washington's three-tier DOH certification system is comprehensive and enforced by statute with explicit penalty provisions. No trauma scene practitioner license for general biohazard work.
Washington State DOH Drug Lab Cleanup Certification (Worker, Supervisor, Contractor)
Administered by: Washington State Department of Health (DOH), Office of Environmental Health and Safety
Washington L&I General Contractor license required before applying for DOH drug lab certification; standard WA business license.
No specific standalone program found; DOT/EPA rules apply.
Three-tier certification: Worker, Supervisor, and Contractor; contractor must have minimum 2 DOH-certified drug lab employees (at least 1 supervisor); certifications valid for 1 year; statutory penalties for unauthorized cleanup; numerical standard: 1.5 µg/100cm².
Washington has an OSHA-approved State Plan (WISHA) covering private and public sector workers; one of the more active state OSHA programs.
L&I general contractor license requires bonding and insurance.
Verify before operating: Licensing requirements change frequently. Confirm all information directly with Washington state agencies before starting or expanding operations. This page was last reviewed April 2026.
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