Incident date: 2018-07-18
NAICS industry code: 311320

At about 2:00 p.m. on July 18, 2018, an employee had opened the top hatch of a heat exchanger hopper and was changing an air filter. The employee became unresponsive due to a lack of oxygen, possibly because nitrogen gas had displaced the oxygen.

Hazard classification:
code_event: title: Depletion of oxygen
code_source: title: Oxygen-deficient environment
code_nature: title: Loss of consciousness-not heat related
code_body: title: BODY SYSTEMS
severity: moderate