Job Task Name

Agitate or pump liquid manure or enter manure pit


Hydrogen sulfide can cause chemical asphyxia in confined space accidents. [LaDou, p. 562] Agitation of liquid manure prior to pumping may generate fatal concentrations of H2S. [Rosenstock, p. 917]

Job Task Category

Spill or Confined Space Accident

Reference Link

NIOSH: Preventing Deaths of Farm Workers in Manure Pits

Exposed To


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