Washington L&I investigates Nippon Dynawave tank rupture that killed 11 workers
Key points
- On May 26, 2026, a chemical tank holding about 900,000 gallons of white liquor ruptured in Longview
- Eleven fatalities have been confirmed, and multiple people were seriously injured
- Washington L&I is conducting a detailed investigation and providing workers' compensation resources
A chemical tank holding about 900,000 gallons of white liquor ruptured at Nippon Dynawave Packaging in Longview, Washington, on May 26, 2026, shortly after 7 a.m. Eleven fatalities have been confirmed, and multiple people were seriously injured and hospitalized. The Washington State Department of Labor & Industries (L&I) is conducting a detailed investigation and providing workers' compensation resources to affected workers and families. Not legal advice.
What employers should do
- Watch for L&I investigation findings and any resulting requirements for chemical storage facilities
- Review chemical tank and related safety procedures at your own sites
Policy details
- Jurisdiction
- Washington
- Status
- Enforcement action
- Effective date
- —
- Employers covered
- Nippon Dynawave Packaging Co.
- Official source
- View official source ↗
Original report: Labor & Industries (L&I), Washington State (.gov) ↗Edited with AI assistance. Facts are based on official sources and original reports. For information only; not legal, immigration or insurance advice.