sewer gas


Also found in: Dictionary, Thesaurus, Medical, Legal, Wikipedia.

sewer gas

[′sü·ər ‚gas]
(materials)
The gas evolved from the decomposition of municipal sewage; it has a high content of methane and hydrogen sulfide, and can be used as a fuel gas.

sewer gas

A mixture of gases, odors, and vapors found in a sewer; not of definite chemical composition; may include poisonous and combustible gases.
References in periodicals archive ?
It's possible that sewer gas has backed up into your house because one or more of your sewer traps have opened up.
The WHO environmental team verified, through odor detection and smoke tests, that sewer gas and aerosolized droplets were being drawn into the bathrooms from the plumbing system, with sewer gas velocity and droplet volume in direct proportion to fan power.
The Florida Department of Health says, "Some confounding factors that should be excluded as causes of observed corrosion are hydrogen sulfide from well water, sewer gas, or soil gas.
The test is performed under controlled conditions in an airtight chamber with a constant temperature of 150 degrees Fahrenheit where specimens are immersed into the aqueous solutions three times daily' for a period of 15 minutes, then exposed to the sewer gas the balance of the time.
Sewer gas and aerosolized droplets were drawn into the bathrooms through the floor drains.
50 Years Ago Wolverhampton firemen wearing breathing apparatus yesterday rescued two Birmingham brothers who were overcome by sewer gas while at work lining a sewer 20ft below the ground, at Wolverhampton.
The most common component of odor in sewer gas is hydrogen sulfide with lesser concentrations of other odorous compounds.
The house trap (1) prevents sewer gas from escaping from the city sewer or septic tank back into the house.
Biomass projects eligible for SCE's new standard contracts include landfill gas, municipal solid waste, wood, fuel cell, digester gas, and sewer gas.
It could also be that you are smelling the sewer gas exhausting from the plumbing vent stack on the roof.
We have seen tremendous success with Spirolite HDPE manholes and structures being specified in lieu of concrete because the material is impervious to the corrosive effects of the sewer gas in sanitary sewers," said Hank Jones, Western Flow marketing partner, who consulted on the design.
Even worse, vacuum can suck all the water out of traps, allowing sewer gas to flow freely into your home.