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Institute, WV · Final report 2026-04-22
Active investigationWV
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
The U.S. Chemical Safety and Hazard Investigation Board (CSB) is an independent federal agency that investigates serious chemical accidents to determine root causes and issue safety recommendations. It has no regulatory or enforcement authority — its power is the public investigation.
CSB investigation page ↗Source: U.S. Chemical Safety Board. License: CC0 1.0. Related: EPA RMP facilities nearby.