China News Service, Beijing, April 8 (Reporter Chen Hang) The reporter learned from the Beijing Municipal Ecological Environment Bureau on the 8th that currently, in spring, sand and dust weather are frequent. Since the beginning of this year, Beijing has been affected by external sand and dust weather, and 3 cases have occurred. Stronger sand and dust weather affects the air quality process.

  According to reports, dust is one of the main sources of air pollution in Beijing. According to the analysis of PM2.5 components in April and May of the past three years, the contribution of dust to PM2.5 is close to 30%. Dust pollution seriously affects the cleanliness of the city. The degree and effectiveness of governance are directly related to the happiness and sense of gain of blue sky citizens in the capital.

  The Beijing Municipal Ecological Environment Bureau stated that in response to the characteristics of seasonal pollution, from March to May this year, Beijing launched a 100-day special campaign to control dust to comprehensively strengthen the prevention and control of dust pollution and effectively solve the environmental problems around people.

  In order to strengthen the implementation of responsibilities and the implementation of measures, 7 departments of Beijing's ecological environment, housing construction, urban management, transportation, water affairs, landscaping, and urban management and law enforcement have formed a joint supervision team and go to relevant districts every week to carry out joint supervision and inspections. Focus on supervising the failure to strictly implement the "six measures" for dust control such as mixing stations, digestion sites and construction sites in various industries that do not harden the site, do not work with wet methods, do not wash the wheels at the exit, have untidy front doors, leave waste trucks scattered, and do not have enclosures during construction. "100%" (i.e. 100% enclosure around the construction site, 100% coverage for material stacking, 100% flushing of vehicles entering and exiting, 100% hardening of the ground at the construction site, 100% wet work at demolition and earthmoving sites, and 100% closed transportation of waste vehicles), "Three guarantees in front of the door" (that is, environmental sanitation, greening, and social order are guaranteed), and "three no entry and two no exit" (that is, vehicles without a transport permit are not allowed to enter the construction site, and vehicles with damaged sealing devices are not allowed to enter the construction site) Vehicles with substandard emission standards are not allowed to enter the construction site, vehicles with overloaded loads are not allowed to leave the construction site, and vehicles with dirty license plates, unclean bodies, and muddy wheels are not allowed to leave the construction site.

  In addition to continuing joint supervision, Beijing will carry out comprehensive prevention and control of secondary dust pollution caused by construction dust, road dust, bare ground dust and external sand dust, implement three major special actions, and systematically carry out a hundred-day attack.

  ——Carry out special actions to jointly control the “four dusts”. Pay attention to the dust raised by bare land, strengthen grid inspections, adopt ecological coverage, hardening and other prevention and control measures according to local conditions, and promote the removal of nets to see green. In response to external sand and dust, roofs and roads should be cleaned and cleaned after the dust passes to prevent secondary dust pollution; during the strong wind warning period, earthwork operations, demolition operations and other construction operations that may produce dust pollution should be stopped in accordance with the law.

  ——Implement special actions for dust law enforcement. Supervise the law enforcement work of streets (townships) with lower air quality rankings in each district every month, and organize and carry out precise night law enforcement actions twice or more every week to strictly inspect material coverings, litter cleaning, wet operations, site hardening, exit wheel washing, Problems such as inadequate fencing settings were exposed through the media to ensure that "dust does not come out, dirt is not seen on the road, dirty vehicles do not enter the site, vehicles do not carry mud, and there is no dust around."

  ——Implement special actions to create green and excellent businesses. Vigorously promote green construction techniques, strengthen the creation and application of green card construction sites, and increase the pilot promotion of fully enclosed construction methods such as foundation pit air membranes and canopies. Expand the scope of road cleaning machinery operations, promote small special equipment, pilot new energy unmanned sanitation cleaning, and improve the level of road cleanliness. In accordance with the ecological priority and the principle of "foresting when it is suitable, being green when it is green, and covering when it is suitable", ecological coverage of bare land in built-up areas and regular maintenance is carried out, and bare land in built-up areas is dynamically cleared in key areas. (over)