What is the "one order and four systems" of major accident management?

The "one list and four systems" for the management of major accident hazards refers to the list of major accident hazards, the assignment system, the ledger system, the sales number system and the notification system.

The Interim Provisions on the Investigation and Management of Hidden Dangers of Safety Production Accidents stipulates in Article 3 of Chapter 1:

1, general accident hidden danger, refers to the hidden danger that is less harmful and difficult to rectify, and can be rectified and eliminated immediately after discovery.

2. The first-class major accident hidden danger refers to the accident hidden danger that may cause more than 30 people (including 30 people, the same below) to die, or 1 1,000 people to be seriously injured, or direct economic loss of more than 1 100 million yuan, or may cause significant social impact, especially serious consequences, and it is very difficult to rectify all of them.

3. The second-class major accident hidden danger refers to the hidden danger that may cause death of more than 30 people 10, or serious injury of more than 50 people 100, or direct economic loss of more than 50 million yuan1000 billion yuan, and it is very difficult to rectify, so it is necessary to stop production and business. Which hidden dangers can be eliminated after a period of rectification, or production?

4. The hidden danger of Class III major accidents refers to the hidden danger that may cause death of less than 10, or serious injury of more than 10 and less than 50 people (including acute industrial poisoning, the same below), or direct economic loss of more than100000 yuan and less than 50 million yuan, which is difficult to rectify and needs to stop production and business locally, and can only be eliminated after a certain period of rectification and treatment.