SUSPENDED PARTICULATE MATTER : COMMON POLLUTANT
It includes variety of particles and droplets (aerosols). They can be suspended in atmosphere for short periods to long periods.
Human Sources (Causes) :
Burning Coal in power and industrial plants ( 40% ), burning diesel and other fuels in vehicles (17%), agriculture, unpaved roads, construction etc.,
Health effects : '
Nose and throat irritation, lung damage, bronchitis, asthma, reproductive problems and cancer.
Environmental Effects :
Reduces visibility, acid deposition and H2SO4 droplets can damage trees, soils and aquatic life in lakes.
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