Based on the degree of harm that may be caused by the pollution incident, the degree of urgency and the development of the situation, the warning level of environmental pollution incidents are generally divided into four levels: Ⅰ (major), Ⅱ (major), Ⅲ (major) and Ⅳ (general).
Warning level classification criteria:
(a) Level Ⅰ (major):
There are more than 30 deaths or more than 100 people poisoned (seriously injured); more than 50,000 people need to be evacuated or relocated due to the environmental incident or more than 10 million yuan of direct economic losses; the regional ecological function of the serious loss of survival or endangered species of the environment has been seriously contaminated; due to environmental pollution Make the local normal economic and social activities have been seriously affected;
The use of radioactive substances for man-made destruction of the incident, or 1, 2 types of radioactive sources out of control caused by a wide range of serious consequences of radiation contamination; due to environmental pollution caused by the interruption of the main source of water intake of important urban pollution accidents; due to the leakage of hazardous chemicals (including poisonous) production and storage and transportation, seriously affecting the people's production and life of the Pollution accidents.
(ii) Level II (major):
the occurrence of more than 10 people, less than 30 deaths, or poisoning (serious injury) more than 50 people, less than 100 people; partial loss of regional ecological functions or the survival of endangered species environment is contaminated; due to the environmental pollution so that the local economy, social activities are greatly affected by the evacuation of more than 10,000 evacuated and transferred the masses of more than 50,000 people;
< p>1, 2 types of radioactive sources lost, stolen or out of control; pollution accidents due to environmental pollution caused by important rivers, lakes, reservoirs, large areas of pollution, or interruption of water withdrawal from water sources in cities and towns above the county level.(C) Level III (larger):
There are more than 3 or less than 10 deaths, or poisoning (serious injuries) of less than 50 people; environmental pollution caused by disputes across the prefecture-level administrative regions, so that the local economy and social activities are affected; 3 types of radioactive sources lost, stolen or out of control.
(D) Ⅳ (general):
There are less than three deaths; cross-county administrative disputes caused by environmental pollution, causing general group impact; 4, 5 types of radioactive sources lost, stolen or out of control.
Extended information:
Cases:
1. Yangzhou "5-29" Sewage Station Poisoning Accident
At about 15:00 pm on May 29, Jiangsu Huatai Road and Bridge Construction Group Co. Yangzhou City Sewage Treatment Pumping Station to repair the sewage discharge pool. A maintenance staff fell into the pool in the process of repairing the pool, and another staff member at the scene immediately went down to the pool to rescue them, at the same time, 2 people in the surrounding area went to and went down to the pool to help rescuing the people after they heard the cries for help. To 3 people died of poisoning, 1 person was injured in the accident.
Preliminary analysis of the cause of the accident: the commanding officer in the sewage pumping station valve wells do not understand whether the presence of toxic and hazardous gases, without any detection, unauthorized command overhaul personnel in the absence of any protection to enter the valve well operations; valve wells of the sewage accumulation of hydrogen sulfide and other toxic gases, overhaul personnel to enter the valve wells of the sewage was stirred, hydrogen sulfide and other toxic gases spread to the The entire valve well, resulting in maintenance personnel poisoning coma, which led to the accident. The commanding officer and the surrounding people blindly rescue caused the accident to expand.
2. Inner Mongolia "8.1" limited space accident
July 31 afternoon Liu Mouzhi (sewage workshop workers) will fish debris leakage spoon fell into the sewage workshop septic tank. 9:00 a.m. on August 1, Liu Mouzhi will be in the pool of water pumped to the bottom of the pool from the bottom of the about 0.9 meters, called Yang Mouwang and Yan Mou together with a cable wire grappling hook. Started to fish the leaky spoon with a grappling hook made of cable wire. Fishing unsuccessful, Liu Mouzhi refused to peer staff discouragement, their own pool fishing leakage spoon;
When down to half of the pool height, Liu Mouzhi fainted and fell into the pool. Company office director ZhaoMouGang (safety officer) heard YangMou and YanMou call for help, enter the accident scene, extend the ladder into the pool, close to the surface of the sewage also fainted and fell into the pool, followed by the company's head of security WeiMou and safety officer ZhaoMou also successively ZhaoMouGang the same action;
WeiMou fell into the pool, ZhaoMou because of the tie with a rope was pulled up by the crowd. The fire department and 120 police arrived quickly after the phase one after another to rescue Liu Mouzhi, Zhao Mougang, Wei Mou 3 people. Liu Mouzhi had no signs of life, Zhao Mougang and Wei Mou was rescued after death.
Preliminary analysis of the cause of the accident: the scene investigation and analysis, preliminary analysis of the cause of the accident is a worker Liu Mouzhi in the absence of effective protective measures, without prior ventilation and detection, down to the septic tank operation by the septic tank produced hydrogen sulfide gas fuming poisoning, the company's office director ZhaoMouGang, the security responsible person in charge of WeiMou blind rescue, so that the poisoning accident expanded, resulting in 3 deaths, 1 person injured accident.
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3. "9-17" collapse accident
September 17 at about 4:00 p.m., Longan County, Dingdang Town, sewage treatment plant supporting the pipeline network of the first phase of the collapse of the accident, three workers in the pit to clean up the floating soil, the side of the slope suddenly collapsed, resulting in the burial of these three people, and then died after the rescue efforts.
Preliminary analysis of the cause of the accident: After a preliminary analysis, the construction unit in the earth excavation did not follow the requirements of the slope slope and support, leading to the accident.
Baidu Encyclopedia - Accident Levels
Baidu Encyclopedia - Environmental Pollution Accidents