Journal Title
Title of Journal: Air Qual Atmos Health
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Abbravation: Air Quality, Atmosphere & Health
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Publisher
Springer Netherlands
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Authors: Morton Lippmann
Publish Date: 2011/02/22
Volume: 5, Issue: 2, Pages: 237-241
Abstract
Particulate matter PM an ambient air criteria pollutant is a complex mixture of chemical agents in particles ranging from nanometersized molecular clusters to dust particles too large to be aspirated into the lung airways 10 μm in aerodynamic diameter Although particle composition is known to affect health risks our current healthbased PM standards are limited to the mass concentrations within two specified size ranges those below 25 μm which are largely attributed to combustion products and those below 10 μm which includes mechanically generated dusts Both size ranges have been associated with excess mortality and morbidity in numerous epidemiological studies There is an urgent need for routine air monitoring data on components of the PM mass Such data are needed to enable epidemiological studies that can define the roles of PM chemical components in causing adverse health effects in order to guide more targeted emission controls for the most hazardous components thereby gaining public health benefits with the least impact on societal costs of emission controls
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