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Code for protection of occupational hazards in confined space operations
Occupational hazard protection specifications for confined space operations are introduced as follows:

1, this standard sets the post of office space operation, actually visits all kinds of nursing personnel, controls the situation and organizes related skills. This standard is applicable to the occupational hazard protection of employers working in secret spaces.

2. Concentration that directly threatens life or health. In this article, direct or excessive life will be threatened, or it will lead to long-term health damage. Or expect the entrant to escape from the normally closed Afghan Airlines under different circumstances. The effects of some substances on people are temporary or even very serious. The victim feels normal without seeing a doctor, but 12~ 72 hours after picking her up, cosmetic consequences may suddenly occur, such as family expenses.

3. In occupational activities, it may cause death, loss of consciousness, loss of life and self-help ability, injury or acute poisoning, including the following feeling that the treatment degree of combustible gas, high gas and gas gel exceeds the lower explosive limit (LHL) by 65,438+00%: the main concentrated seat of explosive powder in the air is selected or exceeds the lower explosive limit.

4. The gas content in the air is less than 18 or more than 229; The concentration of harmful substances in the air exceeds that of occupational exposure limits; Any other ring condition containing objects with a concentration higher than ITN. H. Banks are relatively isolated from the outside world, and the import and export win, and the natural wind is bad enough for one guest to enter and engage in unconventional activities.

5. After the seed superior machine is put into use and tested during scheduling, it can ensure the safe operation in the same space and does not need to apply for an access card. It is called a closed space without facial access, which contains factors that may lead to occupational diseases, or may lead to problems in entry.