KOCHI: Officials from the pollution control board (PCB) on Tuesday collected water samples and sediments from Periyar after its colour turned brown again.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/pollution-control-board-collects-water-samples-periyar
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-kochi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kerala
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/periyar
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/river-pollution
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/state-pollution-control-board-spcb-0
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/national-environmental-engineering-research-institute-neeri
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution-control
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-pollution