Report on the quality of air, water, wastewater and noise levels in Assam's coal fields

The document contains ambient air quality, water quality and noise level data of open cast mines at Tikak, Tirap and Ledo and the underground mine of Tipong together with the surrounding areas of Margherita Central Hospital ,residential and commercial areas of Assam state for the month of June of 2012.

Coal India
http://www.indiawaterportal.org/node/33782

Georaphical Spread