In this paper,the results of emission tests on fault simulations of OBD system in some light-duty gasoline vehicles are analyzed with comparisons to the emission limits for type approval,OBD tests and in-use vehicles with medium and high emission levels specified in the sta.

Discussion on discharge standard for heavy metal in wastewater from producing Electrodeposited copper foil;

An analysis of influences of revision of water contaminant discharge standard on China’s paper industry;

The paper introduces the discharge standards for hachate from domestic waste in USA,Germany and Japan,com- pares with that in current Pollution Control Standard for Domestic Waste landfill (GB/6889-1997) in China,points out the inad- equacies and presents suggestions accordingly.

A review is given to the progresses made in building power plant emission standards of China.

Collection of sewage charges and provision of pollution emission standards are two options for environmental legislation to curb pollution.

This article makes an approach to apply range,control target and limit,level, main test instruments and test methed on emission standards of motor vehicles in our country at present.

Influence of pollutant emission standards on enterprise environmental protection strategy;

Re-recognizing total emission control of atmospheric pollutants and their emission standards;

Study on emission standard of pollutants from sulphuric acid industry