Cauvery: Toxic Flow

by Sreeraman on  November 17, 2007 at 7:05 PM Environmental Health
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Dioxins can cause severe immune and reproductive system disorders, as well as birth defects. Mercury too causes birth defects and damages the central nervous system. Both chemicals persist in the environment and travel and magnify up the food chain to be found in milk and fish.

The farmers had sought an independent study, saying the Tamil Nadu Pollution Control Board had always maintained that the discharge from chemical factories in Mettur was safe. The independent study, however, showed that the treated wastewater was toxic and must not be emptied into the Cauvery or the ground as it contaminates bore wells.

The study was released just two days after Tamil Nadu's Agriculture Minister Veerapandi Arumugam released a report from Chemplast highlighting the company's commitment to the environment. It reported results of nine samples -- including effluents from Chemplast Sanmar's PVC factory and groundwater, soil and sediment.

The samples were analysed for organic chemicals and mercury at US-based Specialty Analytical and for dioxins/furans at Pace Analytical Services using the US Environmental Protection Agency's protocols. The organisation said no reliable lab that could do the analyses as per US EPA protocols was found in India.

Past studies by the CPCB and the Soil Testing Laboratory have confirmed the unsuitability of well water around Chemplast for irrigation. But neither agency has analysed the water for organic chemicals.

After several earlier studies and the present CEM report, the Mettur community is now recommending a comprehensive assessment of toxicity in the region, a complete cleanup, stringent standards for effluents, better testing facilities and monitoring and a stronger public health system.

Source-IANS
LIN/P
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