Briefing of activities relating to the studies on the environmental behavior and eco-toxicology of toxic organics

General status of the studies on the environmental behavior and eco-toxicology oftoxic organics was briefly reviewed，with the point of view that these kinds of studies are the requirements of sustainable development．Some current activities in this field were introduced，such as the revisions of OECD guidelines and the aceomplishments of programme on the advanced eva．1uations of chemicals finished recently by the Department of Environment Protection of Sweden．The general trend of emphasis of modelling，prediction from Structure-Activity Relationship was mentioned．In cope with the present serious pollutions by chemicals here in China，further united action ofdifferent disciplinary studies was recommended．