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
2008 Yevpatoria gas explosion all financial compensations they are entitled to by January 1, 2009. The Education and Science Ministry has been instructed to make sure that the children from the families who suffered from the incident be provided with free school instruction. The government also ordered that tougher control measures be taken in the gas supply industry to prevent new accidents. A similar gas explosion in Dnipropetrovsk on October 2007, killed 23 victims. Gas explosions in crumbling apartment buildings are often caused by improper use or a poorly maintained infrastructure. They are common occurrences in former Soviet states, particularly in the winter, when