Particulate Matter 2.5
Particulate Matter 2.5
Particulate Matter 2.5
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Air Pollution Health Effects<br />
• London Smog 1952: 12,000 dead<br />
• Donora Pennsylvania 1948: 20 killed, 6000<br />
sickened (industrial pollution)<br />
• Modern studies: Harvard Six Cities;<br />
American Cancer Society: prospective<br />
studies of exposure to air pollutants; risk<br />
(particulate matter as surrogate); more<br />
than 100 epidemiological studies, various<br />
designs
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