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.
What is the pollution like near you?
Check UK Air Quality Archive
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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.
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