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Chemical leak at a West Virginia plant kills 2 people and sends 19 more to hospital, officials say

The release of hydrogen sulfide forced a mile-wide shelter-in-place and a decontamination response, officials said.

  • On Wednesday, a chemical leak at Catalyst Refiners in Institute, West Virginia, killed two people and hospitalized 21 others or sent them for on-site treatment.
  • Kanawha County Commission Emergency Management Director C.W. Sigman said off-gassing from a tank containing nitric acid and m200A created a "violent reaction of the chemicals" during decommissioning.
  • Seven Kanawha County EMS workers were among those treated for exposure to the toxic hydrogen sulfide gas, which prompted a mile-wide shelter-in-place order affecting West Virginia State University.
  • Ames Goldsmith Corp., owner of Catalyst Refiners, expressed condolences to affected families as hazmat teams remained on-site conducting large-scale decontamination requiring clothing removal.
  • Investigators are working to determine whether equipment or procedural failures contributed to the release, with officials promising updates as the condition of hospitalized individuals becomes clearer.
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A chemical leak on Wednesday at the Catalyst Refiners plant left two people dead and at least 30 hospitalized, including emergency personnel, as confirmed by local authorities.The incident occurred at this facility dedicated to the recovery of silver, located in Institute, about 16 kilometers west of Charleston.The emergency forced the area to be confined for more than five hours and to deploy a large operation of decontamination and medical car…

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The Billings GazetteThe Billings Gazette
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Chemical leak at plant kills 2 in West Virginia

INSTITUTE, W.Va. — A chemical leak at a West Virginia silver recovery business killed two people and sent 19 others to the hospital, including one in critical condition, authorities said.

·Billings, United States
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Toxic gas leaked from a plant in the United States. The chemical accident killed two people and sent about thirty others to the hospital.

·Budapest, Hungary
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Fréttir - mbl.is broke the news in Reykjavík, Iceland on Wednesday, April 22, 2026.
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