An evaluation of conditions that may affect the performance of houseboat exhaust stacks in prevention of carbon monoxide poisonings from generators

Journal of Occupational and Environmental Hygiene
Duane R HammondAmy Feng

Abstract

National Institute for Occupational Safety and Health (NIOSH) researchers evaluated two exhaust stack designs for reducing carbon monoxide (CO) exposures from gasoline-powered generator exhaust on houseboats. Tests were conducted (a) after dark, (b) in high-temperature and high-humidity environments, (c) during temperature inversions, (d) under various generator loads, and (e) at different houseboat trim angles. Two different designs of houseboat exhaust stacks were evaluated and compared with the side-exhaust configuration, which is standard on many houseboats. The two designs were flagpole and vertical stack. Both exhaust stacks performed dramatically better than the standard water level, side-exhaust configuration. The highest mean CO concentrations on the upper and lower decks of the houseboat with the vertical exhaust stack were 27 ppm and 17 ppm. The highest mean CO concentrations on the upper and lower decks of the houseboat with the modified flagpole stack were 5 ppm and 2 ppm. These findings are much lower than the 67 ppm and 341 ppm for the highest mean CO concentrations found on the upper and lower decks of houseboats having the usual side-exhausted configuration. The NIOSH evaluation also indicated that high-tempera...Continue Reading

References

Aug 14, 2002·AIHA Journal : a Journal for the Science of Occupational and Environmental Health and Safety·G Scott EarnestJane B McCammon

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Citations

Feb 27, 2014·Journal of Occupational and Environmental Hygiene·Ronald M HallAlberto Garcia
Aug 18, 2010·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Zareen Bharucha, Jules Pretty

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