e/Sour gas

Information
has gloss	eng: Sour gas is natural gas or any other gas containing significant amounts of hydrogen sulfide (H2S). Natural gas is usually considered sour if there are more than 5.7 milligrams of H2S per cubic meter of natural gas, which is equivalent to approximately 4 ppm by volume . (On the other hand, natural gas that does not contain significant amounts of hydrogen sulfide is called "sweet gas.")
lexicalization	eng: Sour Gas
instance of	(noun) a fossil fuel in the gaseous state; used for cooking and heating homes gas, natural gas