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Eleven confirmed dead in Washington state chemical accident, all bodies recovered

By Thomson Reuters May 30, 2026 | 11:47 PM

May 30 (Reuters) – The death toll from a chemical tank rupture in the U.S. state of Washington ​climbed to 11 as crews ‌recovered the bodies of all nine missing people, authorities said on Saturday.

Two fatalities had been confirmed after the tank containing “white liquor” – ‌a ​chemical solution of sodium ⁠hydroxide and sodium ⁠sulfide used in making paper pulp – imploded at a Nippon Dynawave Packaging facility on Tuesday.

The search for the missing ​carried on through the week as recovery crews worked through debris ⁠in indoor areas ⁠and flew drones over the ​perimeter of the site, said Cowlitz 2 ​Fire & Rescue’s deputy chief, Kurt Stitch.

The ‌ruptured tank contained about 900,000 gallons (3.4 million liters) of white liquor, and tests confirmed that contamination entered the ⁠nearby Columbia River, officials have said, although no “negative health impacts” had been detected on air ⁠quality or ‌the city of Longview’s ⁠drinking water.

Nippon Paper Industries, Japan’s ​second-biggest ‌paper manufacturer by sales, acquired ​the Longview ⁠plant from Seattle-based timber company Weyerhaeuser for $225 million and established the wholly owned subsidiary Nippon Dynawave Packaging in 2016.

(Reporting by Anusha Shah in Bengaluru;Editing by ​William Mallard)