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Article: Ambient Air Quality (Air Pollution)
- Article from:
- Encyclopedia of Public Health
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CopyrightCOPYRIGHT 2002 The Gale Group Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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AMBIENT AIR QUALITY (AIR POLLUTION)
Human exposures to airborne chemicals vary widely among inhalation microenvironment categories, which include workplaces, residences, outdoor ambient air, transportation, recreation areas, and public spaces. There are also wide variations in exposure within each category, depending on the number and strength of the sources of the airborne chemicals, the volume and mixing characteristics of the air within the defined microenvironment, the rate of air exchange between indoor and outdoor air, and the rate of loss to surfaces within the microenvironment.
Exposures to airborne chemicals in the workplace are extremely variable in terms of composition and ...