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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 14478291 - Employees Affected By Gases In Confined Space

Accident: 14478291 -- Report ID: 0111100 -- Event Date: 08/21/1987
InspectionOpen DateSICEstablishment Name
10140716108/21/19872621Statler Tissue Company
At 9:45 a.m. on August 20, 1987, Employees #1 and #2 were in an approximately 10 ft by 6 ft by 5 1/2 ft space, cleaning soot from the tubes in a boiler air preheater. There was an induced draft fan between the air preheater and stack gas header duct. Three other boilers, two of which were operating, shared the header duct. Due to the high air demand from cleaning the boiler burners and the startup of a paper machine, a positive pressure was created in the header, forcing stack gases from the online boilers (sulfur dioxide, carbon dioxide, and nitrous oxide) into the space where the employees were working. They had been provided only with dust respirators and the gases forced them out of the confined space. Both employees were sent to the hospital and released; one of them lost work days as a result of the accident.
Keywords: maintenance, work rules, boiler, cleaning, inhalation, sulfur dioxide, carbon dioxide, chemical vapor, nitrous oxide, respirator
Employee # Inspection Age Sex Degree Nature Occupation
1 101407161 Non Hospitalized injury Other Occupation not reported
2 101407161 Non Hospitalized injury Other Occupation not reported

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