Incident date: 2023-09-28
NAICS industry code: 236220

Two employees were pulling an attached line plug out from a well. Employee 1 went into the well to try and remove the plug but could not. Employee 2 then entered the well and removed the plug before losing consciousness. Employee 1 went back into the well to help employee 2 and lost consciousness as well. Both employees were hospitalized due to hydrogen sulfide exposure.

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