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- A device that senses oxidizable gases in the air and can be used to control a ventilation system.
- MTBE (methyl tertiary-butyl ether) is a chemical compound that is manufactured by the chemical reaction of methanol and isobutylene. MTBE is produced in very large quantities (over 200,000 barrels per day in the U.S. in 1999) and is almost exclusively used as a fuel additive in motor gasoline.
- A medical condition involving hypersensitivities to a wide variety of common air and food contaminants at very low levels.
- An essential tool used to protect people from hazardous fumes during certain jobs.
- Nanotechnology describes the creation and use of materials, devices and systems which control matter at the atomic or molecular level or “nanoscale”.
- An air-pressure difference between the indoors and the outdoors, induced by natural phenomena such as wind, stack effect, and diffusion.
- Random air movement into and out of a house caused by natural pressures.
- Negatively charged atoms or groups of atoms that will cling to oppositely charged surfaces.
- When the air pressure inside a house or room is less than the atmospheric pressure outside the house or room.
- Air pressure inside a house that is equal to the atmospheric pressure outside the house.
- The traditional definition of noise is 'unwanted or disturbing sound'.
- Purposeful and directed air movement into and out of a building.
- “Good up high, bad nearby,” according to one government agency. Here’s why.
- A filter that removes some contaminants from the air, but allows some air to pass through without contacting the filter, usually to minimize the resistance to airflow.
- Made from small softwood particles that resemble coarse sawdust, and is usually held together with potent urea-formaldehyde (UF) glue.
- An air filter designed to remove particulates from the air.
- Solid (or liquid) air pollutants, as opposed to gases.
- A small unit of measurement, often used to express the concentration of pollutants in the air.
- An opening between two rooms through which air can move when pressure imbalances occur between the rooms.
- Caused by house pressurization or depressurization, not directly caused by a fan. Infiltration and exfiltration involve passive air movement.
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