To make quantitative analysis for airpollution situation in urban area is required in airpollutionsource control and airpollution emission total control.
污染源治理和大气污染总量控制的实施需要对城市进行大气污染现状的定量分析。
2
The smoke emitting from FCC regenerator is the largest airpollutionsource in refining plant, which includes particulates, oxysulfides, oxynitrides, carbon monoxide, and so on.
Objective to study distribution of airpollutionsource, determine the historical exposure concentration of airpollution in the region, and assure the work scope of health investigation.