Soot
smog
definitio n
It also called “London smog”. Soot and
waste industrial gases get into atmosphere grassy and can’t be diffused fully, thus caused soot smog.
acciden ts • Meuse valley of Belgium ;In October 1948, Donora America occurred heavy fog, about 20 people died;London England occurred smog accident
many times in nearly 100 years. The most serious accident occurred in December.
character of soot smog pollutants come from product of burning of coal and pollutants .
character of soot smog the meteorological conditions are low air tempreture, high air pressure, very low wind velocity, high air humidity, having fog and atmospheric inversion occuring in the same time.
character of soot smog
most of this sort of accident occurred in cold seasons.
character of soot smog • valley and basin occur easily • the symptom of victim are rispiratory tract irritation, cough, chest pain, asthma, headache and vomit. The death reason are tracheitis, bronchitis, heart diseases and so on.