The smog event in Maas Valley, Belgium: 19301February occurred in Maas Valley Industrial Zone, Belgium. This pollution incident, because several harmful gases, soot and dust have poisoned the human body at the same time, has caused more than 60 deaths and thousands of illnesses.

Second,

The smoke incident in Donola, USA: 1948 10 occurred in Donola, Pennsylvania, USA. The combination of sulfur dioxide and its oxidized products with dust particles in the atmosphere is a harmful factor, resulting in 59 1 1 person, accounting for 43% of the town's population, and death 17 person.

Third,

London smog incident: 19521February occurred in London, England. During the five days when the fog lasted, according to British official statistics, more than 5,000 people were killed, and more than 8,000 people died in succession within two months after the fog passed.

Fourth,

The photochemical smog incident in Los Angeles, USA: It happened in Los Angeles in the early 1940s. 1September, 955, due to air pollution and high temperature, in just two days, more than 400 people over the age of 65 died, and many people developed symptoms such as eye pain, headache and dyspnea.

Five,

Minamata disease incident in Japan: 1952-1972 occurred intermittently in Minamata City, Kumamoto Prefecture, Japan. The industrial wastewater containing methylmercury pollutes the water body, poisoning the fish in Minamata Bay and those who don't know the fire, and people suffer after eating the poisoned fish.

Six,

The incident of osteopathy in Toyama, Japan: 193 1 year-1972 occurred intermittently in Shentongchuan Valley, Toyama Prefecture, Japan. Cadmium-containing wastewater discharged from zinc and lead smelters polluted Shentongchuan water body, and residents on both sides of the river used river water to irrigate farmland, which poisoned rice and drinking water with cadmium.

Seven,

Asthma events in Niigata, Japan: 196 1 year-1970 occurred intermittently in Niigata, Japan. /kloc-since 0/955, the waste gas produced by petroleum smelting and industrial fuel oil in this city has seriously polluted the urban air. 1972 In this city, 8 17 asthma patients were confirmed and more than 0/0 died.

Eight,

Japan rice bran oil incident:1March-August, 968 occurred in Kitakyushu City, Aichi Prefecture, Japan. Polychlorinated biphenyls (PCBs) are used as heat carriers in deodorization process to produce rice bran oil. Due to poor production management, rice bran oil is mixed and poisoned after eating.

Extended data:

According to the causes of public nuisance, public nuisance events can be divided into four categories:

1, air pollution public nuisance event: It is caused by air pollutants discharged after burning coal, oil and other substances.

2. Water pollution public nuisance event: It is caused by industrial production and domestic sewage discharging a large number of chemicals, bacteria and viruses into water.

3. The public nuisance event of soil pollution: It is caused by the discharge of industrial wastewater and waste residue into the soil.

4. Public nuisance events of food pollution: It is caused by toxic chemicals (such as food additives) and pathogenic organisms entering food.

References:

Baidu Encyclopedia-Eight Major Public Hazards