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Common pollutants and their health effects

*Benzen:Human carcinogen
*1-3 Butadiene :Human carcinogen
*Carbon Monoxide:Reduces the oxygen-carrying capacity of the blood leading to headache, nausea, vomiting, eventually collapse and death.
*Lead:Cumulative effects on the nervous system that may impair children's intelligence and concentration.
*Nitrogen Dioxide:Throat and eye irritation (also involved in photochemical smog formation).
*Ozone:Running eyes, throat irritation, breathing difficulties.
*PM10 (particles less than 10 micrometres in diameter):Small particles can penetrate deep into the lungs and cannot be expelled. They may cause irritation and/or carry with them toxic or carcinogenic substances.
*Sulphur Dioxide:Irritation of the nerves in the nose, throat and airways. May also lead to constriction of the airways.
*Asbestos:Scarring of the lungs and increased risk of lung, chest and abdominal cancer.
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