Sewer gas Sewer gas Sewer gas is a complex mixture of toxic and nontoxic gases produced and collected in sewage systems by the decomposition of organic household or industrial wastes, typical components of sewage. Sewer gases may include hydrogen sulfide, ammonia, methane, esters, carbon monoxide, sulfur dioxide and nitrogen oxides. Improper disposal of petroleum products such as gasoline and mineral spirits contribute to sewer gas hazards. Sewer gases are of concern due to their odor, health effects, and potential for creating fire or explosions. Sewer gas is typically restricted from entering buildings through plumbing traps that create a water seal at potential
2014 Kaohsiung gas explosions by the gas explosions, despite their bodies having yet to be found. The prosecutors said that rescuers could not find the bodies and suspected that they might have been vaporized from the explosions. On 8 August, another gas leak was reported in Cianjhen District shortly before 7:50 a.m causing widespread panic among residents. People who lived within 150 meters radius of Kaisyuan 3rd Road were evacuated the city police department to Kaohsiung Municipal Guanghua Junior High School and Le Chyuan Elementary School, raising concern among residents over their safety. Authorities tried to pin down the source of the gas and