METRO Water on Monda said the joint meeting of it officials and Corporation au thorities decided to raise th chlorine level and not the re sidual chlorine to 10 ppm i water distributed through th Metro Water system.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/level-chlorine-be-raised-not-residual-chlorine-official
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/new-indian-express-chennai
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drinking-water
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/urban-water-supply
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/drinking-water-standards
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diarrhoea
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tamil-nadu
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chennai-t