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Monitoring of Chlorinated and Other Organic Trance Contaminants in Selected Stretches of the Liao and Yangtse River (China)

Funded under: FP5


A joint collaboration of scientists from China and the EU were tasked to study pollution in two of the main rivers in China - the Yangtse and Liao-He. China has experienced rapid growth, industrialisation and urbanisation leading to water scarcity and pollution. These factors have combined to result in water being taken out of the rivers for drinking and waste-water entering the river without sufficient treatment. The shared-cost-action between China and the EU involved 2 years of study of these two rivers. Part of the first year was spent in pilot sampling of the rivers to determine the pollutants that are present and to establish standard procedures for sampling and analysis. At several points during this time scientists from China and the EU worked in each others laboratories in order to standardise equipment and techniques.

A whole year was spent in monitoring the 90 organic contaminants and over 40 trace elements and inorganics in the water and sediment of the rivers. The sediment samples were dried in Buchner funnels before being crushed and homogenised for dispersal to the different laboratories. Water samples were filtered and extracted prior to analysis. Instruments used to attain the highest quality analytical results from the water and sediment samples included X-ray spectrometry, ICP-MS and GC-ECD. The results achieved from this study will lead to the establishment of a suitable approach for alternative water treatment and will be used to implement a long-term monitoring programme in the areas of interest. .

Additional information

Authors: GAWLIK B M, European Commission, Joint Research Centre, Institut for Reference Materials and Measurements, Geel (BE);PLATZER B, Technische Universitat Graz, Institut f�r Analytische Chemie, Radio- und Mikro-Chemie, Graz (AT);MUNTAU H, European Commission, Joint Research Centre, Environment Institut, Ispra (IT)
Bibliographic Reference: EUR 19531 EN (2000) 332 pp
Availability: Available from the European Commission
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