Dr. Yuefeng Xie,  one of the Tsinghua professor from "Program of Global Experts",  visited SEE and gave a lecture with the topic on "Comparison of Drinking Water Standards between China and US" on Dec.25th, 2013.

Prof. Xie compared the drinking water standards of US and China and also showed some of his research on disinfection by-produts. Prof. Xie also gives some suggestions on current china drinking water standards and monitoring.