Findings expected by year-end in state investigation into Longview tank implosion • Washington State Standard

Published
June 22, 2026
Location
Longview, Washington
Nippon Dynawave Packaging plant
Incident type
Workplace

Summary

Workplace Accident Longview Washington in Longview, Washington: A tank at the Nippon Dynawave Packaging plant in Longview, Washington, catastrophically failed on May 27, 2026, killing 11 workers. The tank contained a corrosive chemical. The Washington Department of Labor & Industries and the federal Chemical Safety Board are investigating the incident, which is believed to be the deadliest workplace accident in modern Washington history.

Original reporting

Findings expected by year-end in state investigation into Longview tank implosion • Washington State Standard

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