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2. Gas leak - Wikipedia

   en.wikipedia.org/wiki/Gas_leak

   Unpleasant scents in the form of traces of mercaptans are usually added, to assist in identifying leaks. This odor may be perceived as rotting eggs or a faintly unpleasant skunk smell. Persons detecting the odor must evacuate the area and abstain from using open flames or operating electrical equipment, to reduce the risk of fire and explosion.

3. What Does a Gas Leak Smell Like? Plus, What to Do if You ...

   www.aol.com/does-gas-leak-smell-plus-195037305.html

   Here's what might be happening if you detect a gas smell in your house. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...

4. Butane-1-thiol - Wikipedia

   en.wikipedia.org/wiki/Butane-1-thiol

   Butane-1-thiol, also known as butyl mercaptan, is a volatile, clear to yellowish liquid with a fetid (extremely foul-smelling) odor, commonly described as "skunk" odor.In fact, 1-butanethiol is structurally similar to several major constituents of a skunk's defensive spray but is not actually present in the spray. [4]

5. Methanethiol - Wikipedia

   en.wikipedia.org/wiki/Methanethiol

   The safety data sheet (SDS) lists methanethiol as a colorless, flammable gas with an extremely strong and repulsive smell. At very high concentrations it is highly toxic and affects the central nervous system. Its penetrating odor provides warning at dangerous concentrations. An odor threshold of 1 ppb has been reported. [13]

6. Think you smell natural gas? Here’s what NOT to do if you ...

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7. Was there a gas leak in Charlotte? 5 things to know about ...

   www.aol.com/news/gas-leak-charlotte-5-things...

   A foul smell that wafted over much of Charlotte Thursday raised concerns about a possible natural gas leak.

8. Odorizer - Wikipedia

   en.wikipedia.org/wiki/Odorizer

   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.

9. That rotten egg smell could be a gas leak. What can you do to ...

   www.aol.com/news/rotten-egg-smell-could-gas...

   Natural gas leaks happen nearly every day in the U.S. — and they can be deadly if they go undetected. A report from a group of Texas environmental nonprofits released in June found around 2,600 ...