Accident: Catalyst Refiners Chemica Release
Location: Location: Nitro, WV
Accident Occurred On: 04/22/2026 | Final Report Released On:
Accident Type: Release
Investigation Status: The CSB's investigation is currently ongoing
On April 22, 2026 at approximately 9:32 a.m. local time, a release of hydrogen sulfide occurred at the Catalyst Refiners, Inc. facility in Nitro, WV. The incident resulted the fatal injury to two employees and injured 5 other employees.