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CEPI
April 6 , 2021
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- Comprehensive Environmental Pollution Index (CEPI) is a rational number to characterise the quality of the environment at a given location following the algorithm of source, pathway and receptor.
- An increase in CEPI score denotes adverse effects on the receiving environment.
- A Delhi-based think-tank Centre for Science and Environment (CSE) did an assessment of Tamil Nadu’s CEPI scores.
- Groundwater is becoming more polluted in Tamil Nadu’s industrial areas.
- Vellore is the state’s most polluted district in terms of river pollution.
- According to the CEPI water score 2018, five industrial clusters in Tamil Nadu were found to have a water score of more than 50.
- Of these,
- Vellore-North Arcot, Manali and Tirupur were ‘critically polluted areas’ - CEPI individual score of 60 and above.
- Cuddalore and Coimbatore were ‘severely polluted areas’ - CEPI individual score between 50 and 60.
- Most serious pollution threat to groundwater was from calcium, chloride and iron that are associated with sewage and pollution from tanneries.
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