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Ethanethiol (EM), commonly known as ethyl mercaptan is used in liquefied petroleum gas (LPG) and resembles odor of leeks, onions, durian, or cooked cabbage; Methanethiol, commonly known as methyl mercaptan, is added to natural gas as an odorant, usually in mixtures containing methane. Its smell is reminiscent of rotten eggs or cabbage.
This chemical is also used in the natural gas industry as an odorant, as it mixes well with methane. The characteristic rotting vegetation smell of the mix is widely known by natural gas customers as an indicator of a possible gas leak, even a very minor one. [12]
Natural gas burning on a gas stove Burning of natural gas coming out of the ground. Natural gas (also called fossil gas, methane gas, or simply gas) is a naturally occurring mixture of gaseous hydrocarbons consisting primarily of methane (95%) [1] in addition to various smaller amounts of other higher alkanes.
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Officials say there’s no public safety threat related to reports of a natural gas odor in University City and Hidden Valley on Monday afternoon.
A mixture of H 2 S and air can be explosive. ... Hydrogen sulfide is commonly found in raw natural gas and biogas. ... 0.00047 ppm or 0.47 ppb is the odor threshold, ...
Lopez’s suit alleges that while the vision of Atmos is to be the safest provider of natural gas services, the company has a “long” and publicly documented history of unsafe practices and a ...
The pure mercaptan has an unpleasant odor. In the United States, natural gas distributors were required to add thiols, originally ethanethiol, to natural gas (which is naturally odorless) after the deadly New London School explosion in New London, Texas, in 1937. Many gas distributors were odorizing gas prior to this event.