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Criteria Pollutants (Carbon monoxide (Formed from incomplete combustion…
Criteria Pollutants
Carbon monoxide
Colorless, odorless, highly toxic gas
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Linked to heart attacks
Angina/myocardial infarction with limited compensatory responses
High levels = death
Accelerate atherogenesis
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Nitrogen Oxides
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Sources: vehicle emissions, coal burning, fertilizers, animal wastes, lightning
Sulfur Dioxide
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Colorless, irritating odor
CO + NO2 + SO2 = 0.5% to 5% more likely to experience a heart attack on the day of exposure or following day
Ozone (O3)
Effects
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Cause CVD (ex. heart attack, stroke, and high BP) in Chinese adults
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Particulate matter
PM10 (less than 10 um)
PM2.5 (less than 2.5 um)
Combustion particles, organic compounds, metals, etc.
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Effects
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Doubled risk for obesity, hypertension, chronic pulmonary disease, and CVD in older people
Source: Dust, wild fires, coal burning, vehicle emissions