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  2. 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 ...

  3. Indoor mold - Wikipedia

    en.wikipedia.org/wiki/Indoor_mold

    Mold is detectable by smell and signs of water damage on walls or ceiling and can grow in places invisible to the human eye. It may be found behind wallpaper or paneling, on the inside of dropped ceilings, the back of drywall, or the underside of carpets or carpet padding. Piping in walls may also be a source of mold, since they may leak ...

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

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

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    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 ...

  6. Gas leak - Wikipedia

    en.wikipedia.org/wiki/Gas_leak

    Pure natural gas is colorless and odorless and is composed primarily of methane. 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 ...

  7. Sewer gas - Wikipedia

    en.wikipedia.org/wiki/Sewer_gas

    An old sewer gas chimney in Stonehouse, Plymouth, England, built in the 1880s to disperse sewer gas above residents. Sewer gas is a complex, generally obnoxious smelling 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.

  8. Whitewash - Wikipedia

    en.wikipedia.org/wiki/Whitewash

    Whitewash can be tinted for decorative use and is sometimes painted inside structures such as the hallways of apartment buildings. A small amount can rub off onto clothing . In Britain and Ireland, whitewash was used historically in interiors and exteriors of workers' cottages and still retains something of this association with rural poverty .

  9. High-ozone shock treatment - Wikipedia

    en.wikipedia.org/wiki/High-ozone_shock_treatment

    High ozone shock treatment or ozone blasting is a process for removing unwanted odour, and killing mold, vermin and microorganisms in commercial and residential buildings. . The treatment is less expensive than some alternative methods of sterilizing indoor spaces - cleaning or removal of building material, or in extreme cases the abandonment of sick buildin