HEAVY METAL POLLUTION IN THE SALT PANS OF THOOTHUKUNDI REGION, T.N., INDIAMARIA ELIZABETH VIJILY, A. JOHN DE BRITTO AND R.V. JEBA RAJASEKHAR
The status of heavy metals present in the water that is used in the salt pans of Thoothukudi region is monitored over a period of a year. Collection of water samples and the subsequent analyses for the estimation of heavy metals are executed on the basis of Environmental Protection Agency (EPA) and Central Pollution Control Board (CPCB, India) recommended methods. All relevant meteorological parameters are simultaneously monitored during sampling for revealing the influence of them on the status of water quality with special reference to heavy metals. The results show that the concentrations of heavy metals are in the order of Zn > Cu > Hg > Pb > Cr > Ni at most of the saltpans and the water used in salt pans that are situated nearby the industries, endures relatively higher levels of pollution. The statistical analysis of the generated database on heavy metal concentrations reveals that there are significant variations in the concentrations of the pollutants of current concern with respect to saltpans. It can be concluded that adequate abatement measures are to be implemented at once as heavy metal pollution may cause long term effects on the health of the consumers of this commercial product.
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