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Remediation of groundwater at Tondiarpet
Posted on: 24/Feb/2015 2:15:43 PM
Two years back, the residents of Tondiarpet felt that there was something wrong with their bore wells. Indian Institute of Technology- Madras revealed that the ground water in Tondiarpet area was contaminated with inflammable chemical compounds such as Benzene and Toluene. Now after two years a U.S.-based company Stratus Environmental Inc.is surveying the locality and removing oil floating on groundwater.
This is the first stage of the process and is likely to take 48 months or more. Petroleum-absorbent socs (sponge-like products) are being used to remove the oil.
The second stage will involve installation of monitoring borewells, collection of soil samples, and analysis of these in a laboratory to evaluate the lateral extent of contamination in soil and groundwater.
The third stage will comprise remediation of soil using a technology called Soil Vapour Extraction and the fourth stage will see remediation of groundwater.
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