Gas explosion hazards in sanitary landfills

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Journal titlePublic Works Magazine
Pages7678; # of pages: 3
Subjectwaste disposal; explosions; gas (fuel); construction technology; ventilation; Combustion; decharge des ordures; explosion accidentelle; combustible gazeux; technologie de la construction; ventilation
AbstractProduction of gases is an inevitable result of decomposition of organic waste in a sanitary landfill or garbage dump. A principal component of these gases is methane, which is highly flammable. As decomposition is a very slow process, gases will continue to evolve for a very long time. A hazardous condition is created if these combustible gases accumulate in an enclosed area. Construction of buildings over sanitary landfills or reclaimed garbage dumps in general is not recommended. Where such construction is necessary, however, gases can be controlled by proper design, which will include such features as venting of the gases from the fill, the use of a granular material over the fill, the use of an impermeable membrane beneath the floor slab, and the use of forced ventilation, if necessary.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedNo
NRC number11267
NPARC number20374267
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Record identifier57e7921e-e577-4bce-9ad1-764f1ac09745
Record created2012-07-23
Record modified2016-05-09
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