Responsible   Institution  Ministry of Environmental Protection of the People's Republic of China

Sponsored   by Chinese Research Academy of Environmental Sciences

Editor-in-Chief   WU Fengchang

Executive Editor-in-Chief   ZHENG Binghui

Edited and Published   by Editorial Board, Research of Environmental Sciences (8 Dayangfang, Beiyuan, Chaoyang, Beijing 100012, China  Tel: (8610)84915128  Fax: (8610)84914869

Distributed   by China National Publishing Industry Corporation (P. Q. Box 782, Beijing 100011, China)