Sewer gas is a complex, generally obnoxious smelling mixture of toxic and nontoxic gases produced and collected in sewage systems by the decomposition...

A sewer gas destructor lamp is a type of lamp used to remove sewer gases and their hazards. Biogas forming in sewers via anaerobic digestion can be a potentially...

manholes are used for access to the sewer pipes for inspection and maintenance, and as a means to vent sewer gases. They also facilitate vertical and horizontal...

U-shaped portion of pipe designed to trap liquid or gas to prevent unwanted flow; most notably sewer gases from entering buildings while allowing waste materials...

as drain opener, refers to a person, device, or product used to unblock sewer pipes or clear clogged wastewater drains. This term typically applies to...

and sewers; this process is commonly known as anaerobic digestion, which is done by sulfate-reducing microorganisms. It also occurs in volcanic gases, natural...

soil Landfill gas, produced incidentally where municipal solid waste is abandoned. Michigan "swamp gas" UFO reports Natural gas Sewer gas Wetland methane...

sewers. It encompasses components such as receiving drains, manholes, pumping stations, storm overflows, and screening chambers of the combined sewer...

adds water to traps. The water seals in traps are needed to prevent sewer gases from entering buildings, but because this water is exposed to the air...

when no water is present above to minimize evaporation and eliminate sewer gas odors. Atmospheric vacuum breaker Check valve Pressure vacuum breaker...