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Dept. of Ecology Finds 35 Violations at Nippon Dynawave in Wake of Longview Plant Implosion

Ecology said the spill sent 900,000 gallons of caustic white liquor across the mill and into nearby waterways, prompting possible fines and corrective orders.

  • On Wednesday, the Washington State Department of Ecology issued 35 violation notices to Nippon Dynawave Packaging following the May 26 tank collapse in Longview, Washington, documenting environmental impacts from the 900,000-gallon caustic white liquor spill.
  • The catastrophic failure killed 11 employees and spread caustic white liquor across 7 acres, reaching storm drains and the Columbia River and causing widespread fish die-offs over eight days.
  • Regulators cited deficiencies in training and dangerous waste management plans, with workers failing to label hazardous containers properly. The Washington State Department of Labor and Industries issued a $2,890 fine for a broken valve handle.
  • Nippon Dynawave Packaging spokesperson Sam Jefferies stated the company takes the findings seriously and will review them carefully. The Association of Western Pulp and Paper Workers Union demanded accountability to ensure lessons result in lasting worker protections.
  • The company has 30 days to respond before state regulators determine whether to impose penalties or compliance orders. Independent investigations by the federal Chemical Safety Board and the Washington Attorney General remain underway to determine the cause.
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KATU broke the news in Portland, United States on Wednesday, August 26, 2026.
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