Construction sites worsen air pollution in HanoiVietNamNet Bridge - Large construction sites which don’t strictly follow standard procedures are contributing to dust pollution throughout the city. The process of demolition, excavation, backfilling and carrying materials to the construction sites, using high-capacity diesel engine produces toxic gas such as SO2, NOx and CO, harm people’s health near large construction site areas. According to the Hanoi Construction Department, there are more than 1,000 construction sites, large and small, under execution in Hanoi. This cones from vehicles carrying materials and construction waste to and from nearby construction sites that don’t follow the regulation on street sanitation. Many vehicles are not closely covered, or washed before leaving the construction sites, thus bringing dust and sludge from the sites to streets and residential quarters.

Source: VietNamNet News February 22, 2017 01:41 UTC