OSHA Accident Investigation · Summary #221361249

GREAT LAKES TV SEAL INC.

MALONE, WI· 2021-06-07T00:00:00

Event: Air Monitoring, Asphyxiated, Chemical, Chemical Exposure, Chemical Vapor, Confined Space, Entry Permit, Gas, Hydrogen Sulfide, Inhalation, Lung, Manhole, Manhole Cover, Overcome by gas, Overcome by vapors, Overexposure, Poisoning, Repair, Respiratory, Respiratory Tract, Sewer, Toxic Atmosphere, Toxic Fumes, Training, Tripod, Ventilation
NAICS: 541990
Inspection type: Federal Agency
Activity number: #345350532
Employer profile: GREAT LAKES TV SEAL INC.
Summary number: 221361249
Report ID: 0521100

Event description

Employee is killed when overexposed to H2S during confined s

Investigation abstract

At 12:30 p.m. on June 7, 2021, an employee entered a sewer manhole to estimate rescue shortly after arrival. The employee was killed by overexposure to hydrogen sulfide. the amount of materials needed to perform a manhole repair when the employee was overcome by high levels of hydrogen sulfide at the base of the manhole shortly after entry. The employee did not perform atmospheric monitoring and had not donned his harness with rescue tripod before entry into the confined space. A four gas monitor and rescue equipment were located in the employee's work vehicle. Coworker #1 (attendant) and Coworker #2 (helper) were not trained or equipped for performing a confined space entry rescue. A volunteer fire department responded within 8 minutes and performed the confined space entry

Victim

#1 Fatality Age 39 M

Event type
8

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