water standards
2.The characteristics of single factor water quality identification index are: Firstly, it can completely identify the important information including water quality classification of assessed factors, water quality monitoring data, planned water quality classification of water environment function area; secondly, it can evaluate the selected factors qualitatively by national water quality standards, and water quality monitoring data; thirdly, it can be used to compare water quality of the same assessed factors in the same classification and water quality of different assessed factors.
3.This paper summarizes the pollutants in raw water and their removal techniques, the water treatment process puts emphases on full-process and multi-layer safety barrier techniques, including water resource protection and water body restoration, raw water sale transport, safe purification in waterworks, safe distribution in pipe etc Drinking water safety can he ensured by adopting multi-layer safety barrier technique to meet stricter drinking water quality standards.
6.STANDARDS OF DISCHARGE FOR RADIOACTIVE WASTE WATER——INVESTIGATION ON DIRIVED WATER CONCENTRATION(DWC) AND STANDARDS OF DISCHARGE

