65438+1 65438+At 0: 40 on February 30th, Kunming Monitoring Center set up four monitoring points on the left and right sides of the explosion workshop, as well as Building No.9 in Jinzhai Community1Unit and Guandu No.2 Middle School to detect formaldehyde, phosgene, phosphine, hydrogen fluoride, NH3, hydrogen arsenide, methane and chlorine respectively.

After the incident, the city traffic police detachment quickly launched an emergency plan and quickly mobilized the police around the incident for disposal. Bi Wei, the deputy detachment leader, went deep into the front line and commanded in front. By implementing temporary area traffic control, he gave priority to rescue vehicles and provided a good traffic environment for rescue work.