World·NewThe 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.The ruptured tank contained about 3.4 million litres of 'white liquor'Thomson Reuters · Posted: May 31, 2026 5:14 AM EDT | Last Updated: 6 minutes agoListen to this articleEstimated 1 minuteThe audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results.This photo provided by the City of Longview, Wash., shows structural damage to the Nippon Dynawave Packaging Co., after a tank containing hazardous liquid imploded, on Tuesday, May 26, 2026 in Longview, Wash. (The Associated Press)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.Crews recover bodies of 6 workers in wake of Washington state chemical-tank ruptureAuthorities say 2nd person has died after chemical tank implosion at U.S. paper millThe 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 3.4 million litres 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 US and established the wholly owned subsidiary Nippon Dynawave Packaging in 2016.