Incident date: 2023-01-10
NAICS industry code: 325131

Six employees were removing a 4-inch butterfly valve at a desulfurization unit using an impact wrench. The employees inhaled carbon dioxide vapors. Two of the employees were hospitalized.

Hazard classification:
code_event: title: Inhalation of harmful substance-single episode
code_source: title: Carbon dioxide, dry ice
code_nature: title: Poisoning, toxic, noxious, or allergenic effect, unspecified
code_body: title: BODY SYSTEMS
severity: low