sewer gas


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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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

sewer gas

A mixture of gases, odors, and vapors found in a sewer; not of definite chemical composition; may include poisonous and combustible gases.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
That can happen if the water vapor in the sewer gas condenses and freezes inside and around the stack's opening.
While one in Twelve reported having unhappy childhoods, those with them were more likely to describe somewhat unusual childhood odors including: moth balls, body odor, dog waste, sewer gas and bus fumes.
It also prevents sewer gas from entering the room--eliminating the need to stuff a rag into the sewer pipe.
The problem is a terrible odor (dirty socks is her description), but I think it smells like sewer gas. There is a leach field.
. ?Seven sewer gas lamps in Monkseaton and Whitley Bay.
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.
The trick is arranging the pipes so they drain water properly and keep sewer gas at bay.
* 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 system passively treats vented sewer gas at spike flow rates as high as 35 cfm and [H.sub.2]S levels of several hundred ppm or more.
The entire DWV system is joined together by and includes traps to prevent unwanted odors (sewer gas) from escaping into the house; vent stacks to provide equalization of air pressure., and soil stacks for the elimination of waste.
* Identify location of sanitary sewer gas leaks: Faulty sanitary sewer mains or connections could allow sewer gases to escape.