Kalpakkam to monitor the seasonal variation in mercury (Hg) concentration. The Hg level (dissolved + acid leachable) ranged from 3 to 50 ppb for surface and 1.5 to 47.9 ppb for bottom-water samples, yielding an annual average concentration of 20.42
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/seasonal-variations-mercury-concentrations-coastal-waters-kalpakkam-southeast-coast
[2] http://admin.indiaenvironmentportal.org.in/category/author/k-k-satpathy
[3] http://admin.indiaenvironmentportal.org.in/category/author/usha-natesan
[4] http://admin.indiaenvironmentportal.org.in/category/author/s-sarguru-et-al
[5] http://admin.indiaenvironmentportal.org.in/category/journal/current-science
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/marine-pollution
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/industrial-pollution
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/waste-disposal
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mercury
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kalpakkam-aps
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india