Ch. 16 Air Pollution
Terms in this set (25)
the air surrounding us, usually meaning the outside air
particulate matter, sulfur dioxide, carbon monoxide, nitrogen oxides, ozone, lead
Chemical that has been added directly to the air by natural events or human activities and occurs in a harmful concentration.
pollutants that form from chemical reactions that occur when primary pollutants come in contact with other primary pollutants or with naturally occuring substances, such as water vapor or sunlight.
Substances that enter the air without going through a smokestack, such as dust from soil erosion, strip mining, rock crushing, construction, and building demolition.
Human produced ozone, a result of air pollution
Air pollutants formed as a result of sunlight acting on compounds such as nitrogen oxides and sulfur dioxide.
Volatile Organic Compounds (VOCs)
Organic compounds that exist as gases in the atmosphere and act as pollutants, some of which are hazardous.
Type of air pollution consisting mostly of a mixture of sulfur dioxide, suspended droplets of sulfuric acid formed from some of the sulfur dioxide, and suspended solid particles.
A device used for removing particulates from smokestack emissions. The charged particles are attracted to an oppositely charged metal plate, where they are precipitated out of the air.
sick building syndrome
a buildup of toxic compounds and pollutants in an airtight space; seen in newer buildings with good insulation and tight seals against air leaks
Particulate Matter (PM)
particles or droplets small enough to remain aloft in the air for long periods of time
tiny solid particles or liquid droplets that remain suspended in the atmosphere for a long time
Hazardous Air Pollutants (HAPs)
Especially dangerous air pollutants, including carcinogens, neurotoxins, mutagens, teratogens, endocrine system disrupters, and other highly toxic compounds.
Toxic Release Inventory (TRI)
a program created by the Superfund Amendments and Reauthorization Act of 1984 that requires manufacturing facilities and waste handling and disposal sites to report annually on releases of more than 300 toxic materials
undesirable changes in the physical characteristics or chemistry of the atmosphere, such as noise, odors, and light pollution. They do not threaten life but can impact quality of life.
atmospheric condition in which warm air traps cooler air near the earth's surface
good ozone, produces oxygen molecules to interact with UV radiation and prevent 95% of it from reaching the surface
chemicals that have the potential to destroy the ozone; ex.) hair-spray, refrigeration, etc.
Montreal Protocol (1987)
An agreement on protection of the ozone layer in which states pledged to reduce and then eliminate use of chlorofluorocarbons (CFCs). It is the most successful environmental treaty to date.
Conversion of sulfur oxides and nitrogen oxides to acids that return to Earth as rain, snow, or fog
Clean Air Act
1970- law that established national standards for states, strict auto emissions guidelines, and regulations, which set air pollution standards for private industry
fine mists of water vapor trap particulates and convert them to a sludge that is collected and disposed of usually in a landfill
national ambient air qualitystandards for six priority pollutants set by the Environmental Protection Agency through the Clean Air Act
A brownish haze that is a mixture of ozone and other chemicals, formed when pollutants react with each other in the presence of sunlight
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