spring dry, frequent dust storms, in order to reduce the impact of human factors on air quality, Xining City North District Environmental Protection Bureau, the district urban management, construction and other departments, the construction site supervision.

In

monitoring, the staff requirements are dust pollution construction site to stop earthwork excavation and transportation operation in strong winds and dust weather; so that the construction of road construction site hardening, two times reduce dust pollution; transport vehicles built car tarpaulin, to prevent falling of waste. At the same time, the standard of waste residue and other construction waste dumps, and requires the construction site not timing sprinkler dust. (author: Peng Na Wang Xuehua)