OUTPUT OF CARE PROJECT 2014

(Published on the Journal of Ministry of Environment and Natural Resources, April 2015, in Vietnamese) The research project has been implemented under the leader of Dr. Dang Vu Bich Hanh, Dr. Dinh Quoc Tuc (Faculty of Environment and Natural Research, HCMUT, Vietnam) and Dr. Emilie Strady (LTHE, F-38000 Grenoble, France).

The research is to survey pollution as well as concentration of heavy metals (Al, Cd, Cr, Cu, Zn, Pb) in Saigon basin, to identify the relationship between physical and chemical indicators in the presence of heavy metals in the river basin.

Results of the study shows that heavy metals present in the Saigon River, especially Al and Zn. In particular, the physical and chemical indicators as well as heavy metal concentrations do not depend on the depth of the river.

Besides, results showed significant differences between seasons when comparing values of ORP, EC, hardness, chloride, alkalinity, nitrite, nitrate, TKN, COD. In addition, ​​changing of pH, EC, turbidity, DO, SO42-and Cu among location from Ben Cui bridge, Ben Suc bridge and Phu Cuong.

Concentration of Cu in the Saigon River tightly correlates with EC ​​(r = 0.817 with Sig <0.01) and SO42- concentration (r = 0.629 with Sig <0.01); correlation between Zn with Al (r = 0.554 with Sig <0.05) and Zn with Pb (r = 0.685 with Sig <0.01).Corresponding author:dvbh@hcmut.edu.vnORdvbh@yahoo.com