Kolkata, Feb. 25 -- Kolkata : A National Level Workshop on 'Strengthening Chlorination for Safe Water Supply' was held on February 20, 2026, at SPM NIWAS, Kolkata. The workshop was organised by Dr.
Chlorine is a common element in household cleaning and pesticide products. You’re probably most familiar with its use in pools to keep them free from bacteria and algae. It is naturally a gas but can ...
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