Definition - What does Noxious Gases mean?
Noxious gases are gases that are harmful to living things. They are also known as toxic gases. Noxious gases can easily build up in confined working spaces when the production process uses noxious gases. It may also result in the biological chemical breakdown of a substance that is being stored in a tank. Certain factory related activities, such as welding, can also result in the build-up of noxious gases in a confined space.
Safeopedia explains Noxious Gases
The following noxious gases are the most common encountered in confined work spaces:
- Hydrogen sulfide - this is also known as sewer gas and has a smell like rotten eggs. However, exposure leads to a loss of smell, so a person might think that the gas is no longer present
- Carbon Monoxide - this is a colorless, odorless gas that is produced when carbon based fuels, such as wood or coal, are burnt
- Solvents - such solvents as kerosene, paint stripper and degreaser can cause problems with the central nervous system