[Object] Compare maxium limited standards (MLs) for contaminants in foods of our country and Codex MLs, in order to provide evidence and reference for establishing and revising the MLs for food contaminants of our country.

Combining empirical analysis and synthesis research,the relationship between sci-tech development and pollution of food chain is systematically studied;the influence of sci-tech activities to human societv by means of food chain is analyzed also.

Food pollutant and food source pathogenic bacteria monitor situation Jilin Province

To understand the pollution situations,provide data for food risk assessment and government monitoring by surveillance of food pollutant in 2008 in Chaoyang District,different kinds of 135 samples were collected from each monitoring spots in Chaoyang District and the content of Pb,Cd,Al,was anaiysed.

Research on quantitative correlation between chemical enthalpy of wastewater pollutants and their traditional water qulity indexes;

Because environmental problem are aggravated especially in water pollution in China.

Bases on actuality of anyang city's water environment,select science mode ,account water environmen capability ,combine with gross control task, combine with factor of economy and technic of anyang city ,ascertain control aim of water pollution gross.

This paper analyzes the necessity and urgency of executing water pollution permission trading, discusses the practical meaning to Green GDP calculation, optimizing environment resource collocation, promoting the development of environment protection technology and industry, then provides the assumption to execute water pollution permission trading in Wuhan City.