1. What are hazardous chemicals?


Hazardous chemicals are highly toxic chemicals and other chemicals that have the properties of poison, corrosion, explosion, combustion, flammability and other properties that are hazardous to human beings, facilities and the environment.

2. Precautions for the use of hazardous chemicals


Many hazardous chemicals are toxic and corrosive, so when using hazardous chemicals should try to avoid direct contact, do not use chemical solvents to wash their hands, not to mention accidentally taken, especially in contact with corrosive chemicals should be immediately rinsed with a large amount of water; flammable and explosive places to prohibit the use of open flames, if you really need to use open flames, such as welding, etc., to be approved in advance, and to do a good job of adequate precautions before starting a fire! In fire and explosion hazardous workplaces, do not wear chemical fiber clothing or shoes with nails, because chemical fiber clothing will produce static electricity, and nails will produce sparks when they hit the ground. The handling of hazardous chemicals must be careful, especially sulfuric acid and other corrosive substances commonly used in glass products and other containers, handling, such as inadvertently easy to cause accidents; the purchase of hazardous chemicals for work needs, can not take buses, trains, airplanes and other means of transportation, but also can not be sandwiched between the mail; for the lack of use of hazardous chemicals, can not be thrown away, or accidents may occur: such as to the sewer pouring liquefied gas residue. Sewer pour liquefied petroleum gas residue, will explode when it meets the spark; rat poison thrown around, may make other people accidentally poisoned. In addition, it is necessary to wear good protective equipment according to regulations to prevent the body from being hurt in the process of work.

3. Commonly used emergency response measures


In daily life, work, such as encountering dangerous, hazardous, toxic substance leakage, do not panic, should be calm and take the following emergency measures:

1, immediately call the police to 110, 119, 120 alarm station (in flammable and explosive places, prohibit the use of cell phone alarm. If you want to use cell phone alarm, to leave the dangerous explosion area, so as not to cause combustion and explosion);.
2, quickly notify the surrounding personnel, the surrounding population (especially downwind of the residential area) to evacuate the danger zone;.
3, in the dangerous area of the personnel should be immediately to the side of the wind to quickly leave the dangerous area, and then upwind to the safety zone evacuation; 4, when evacuating from the dangerous area.
4, from the hazardous area when the evacuation, to handkerchiefs, wet clothes, cover the mouth, nose and leave.
5, in the hazardous area must not use open flames and cell phones, and can not turn on lights and other electrical equipment.
6、People who are endangered by the leakage should go to the hospital in time afterwards.




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