Topic: National Ambient Air Quality Standards
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What are the National Ambient Air Quality Standards (NAAQS)?
Since the Clean Air Act's (CAA) inception in 1970, EPA has set NAAQS for six common air pollutants: carbon monoxide (CO), lead (Pb), nitrogen dioxide (NO 2 ), ozone (O 3 ), particulate matter with aerodynamic size less than or equal to 10 m... Read More »
Source: http://www.epa.gov/reg3artd/faqs/APDFAQ.htm
What are national ambient air quality standards?
The Clean Air act, passed in 1990, set primary and secondary standards for air pollu... Read More »
Source: http://www.chacha.com/question/what-are-national-ambient-air-qual...
What is the difference between a primary and secondary National A...
Primary standards are set to protect human health. Secondary standards are set to protect public welfare and take into consideration such factors as crop damage, architectural damage, damage to ecosystems, and visibility in scenic areas. Se... Read More »
Source: http://www.querycat.com/question/9131213030117782edd87f257bf165bd
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National Ambient Air Quality Standards
The U.S. Clean Air Act of 1970 called for the establishment of outdoor standards for those air pollutants for which adverse health effects have been shown to occur as a result of outdoor air pollution. Currently, six pollutants are regulated... More »
Source: healthline.com
More Common Questions
Answers to Other Common Questions
Associations between airborne concentrations of fine particulate matter (PM(2.5)) and mortality rates have been investigated primarily by ecologic or semiecologic epidemiology studies. Many investigators and regulatory agencies have inferre...
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Source: http://www.medscape.com/medline/abstract/12202048
Many industries focus on energy efficiency by installing central heating and air-conditioning systems, and sealing cracks and windows to create airtight buildings. These energy conservation practices often reduce the outside air supply and ...
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Source: http://www.ehow.com/how_6617182_maintain-quality-standards-using-...
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Source: http://wiki.answers.com/Q/What_of_the_following_could_result_from...
Enviornmental Protection Agency
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Source: http://wiki.answers.com/Q/Which_us_state_has_the_best_air_quality...
