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
As Good as I Once Was "As Good as I Once Was" debuted at number 37 on the U.S. "Billboard" Hot Country Singles & Tracks for the week of May 21, 2005. As Good as I Once Was "As Good as I Once Was" is a song co-written and recorded by American country music singer Toby Keith that reached the top of the "Billboard" Hot Country Songs chart. This song and his 2003 single "Beer for My Horses" are both his longest-running Number One hits, each having spent six weeks at Number One. "As Good As I Once Was" was released in May 2005 as the