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Other
dusts that have killed thousands of workers include coal dust
and silica. Other dusts, such as cotton and flour cause "sensitisation"
so that people cannot breathe. Other chemical killers at work
include lead and mercury, responsible for the phrase "as mad
as a hatter".
Isocyanates
were responsible for the fatalities at Bhopal and are responsible
for disabling many people in developed countries.
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The main air contaminants are carbon monoxide,
oxides of nitrogen, sulphur dioxide, ozone, and inhalable
and nuisance particles. These are usually at their highest
concentrations in urban areas.
UK
Air Quality Information Archive
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