Methane, wani sinadarin gas, an kasafta shi azaman abu mai haɗari. An gano a ƙarƙashin UN1971, an rarraba shi azaman Class 2.1 gas mai flammable.
Lokacin fitarwa, Ana iya jigilar methane ta hanyoyi daban-daban ciki har da jigilar ruwa, sufurin jiragen sama, da sabis na masinja na bayyanawa.