IAEA/RCA Mid-Term Progress Review Meeting of the RCA Project on Assessment of Trends in Freshwater Quality Using Environmental Isotopes and Chemical Techniques for Improved Resource Management, 24 – 28 March 2008, Chiangmai, Thailand Thailand Institute of Nuclear Technology in cooperation with the International Atomic Energy Agency (IAEA) held the IAEA/RCA Mid-Term Progress Review Meeting of the RCA Project on Assessment of Trends in Freshwater Quality Using Environmental Isotopes and Chemical Techniques for Improved Resource Management during 24 – 28 March 2008 in Chiangmai. The meeting aims to present and discuss the progress report and results of the project RAS/8/104, to make necessary modifications in the work plans and activities of the project at the national and regional scales, and to provide a forum to the participating RCA Member States for mutual interaction and exchange of technical experience.