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Hog farm co- owner and employee die of hydrogen sulfide poisoning in manure pit - Minnesota, August 8, 1992.

Authors
NIOSH
Source
NIOSH 1993 Feb; :1-7
NIOSHTIC No.
00213109
Abstract
An incident was described in which two workers at a hog farm died of hydrogen-sulfide (7783064) poisoning in a manure pit. A 27 year old male hog farm employee died as a result of hydrogen-sulfide poisoning when he entered a manure waste pit to extract a pump. The 46 year old coowner of the farm (the first victim's uncle) died when he entered the pit to rescue the first victim. The first victim and a coworker had attempted to pump the manure from the pit when they found that the pump intake was clogged. As the workers attempted to raise the pump from the pit, a wire broke. The following morning the victim entered the pit to attach a length of rope to the eye bolt on the pump. He was overcome with toxic fumes. His uncle later attempted to rescue him, despite warnings from the coworker on the scene, was overcome and fell on the first victim. In both cases the cause of death was hydrogen-sulfide poisoning. It was recommended that manure waste pits be identified as confined spaces and hazard warning signs be posted at all entrances, that farm employees never enter manure waste systems unless absolutely necessary and using complete safe entry procedures, that equipment be periodically inspected for physical damage, and that manure waste systems be equipped with some sort of powered ventilation system.
Keywords
NIOSH-Author; FACE-92-28; Region-5; Accident-analysis; Safety-practices; Toxic-gases; Animal-husbandry; Confined-spaces
CAS No.
7783-06-4;
Publication Date
19930225
Document Type
Fatality Assessment and Control Evaluation; Field Studies
Fiscal Year
1993
NTIS Accession No.
PB93-189033
NTIS Price
A02
Identifying No.
FACE-92-28
NIOSH Division
DSR
SIC Code
NAICS-11
Source Name
Division of Safety Research, NIOSH, U.S. Department of Health and Human Services, Morgantown, West Virginia, Report Number FACE-92-28, 7 pages, 3 references
State
MN; WV
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