The winter season is a season where accidents of poisoning by toxic and harmful gases such as coal gas frequently occur. In order to protect the physical and mental health of workers, Yantai City Health Supervision Office requires employers to strictly abide by operating procedures when using toxic gases.

Workers must wear effective gas masks, protective goggles and other protective equipment in accordance with regulations, and open ventilation and detoxification facilities in the workplace to ensure air circulation; when entering airtight containers and sealed places for maintenance and cleaning, the concentration of toxic gas in the container should be prepared With oxygen concentration detection, the operation can be started after the safety is confirmed. Personnel entering the tank must wear air respirators and other equipment. The time of entering the tank should not be too long. Special personnel must be set up outside the tank to monitor. Medical personnel should be on duty on site.

At the same time, employers must do a good job in safety knowledge and operating procedures training, improve workers' safety awareness and self-protection capabilities; formulate emergency rescue plans to prevent casualties and secondary accidents.