Air Pollution due to Opencast Coal Mining and It's Control ...
gaseous pollutants in and around the mining complexes. Opencast mining dominates the coal producti on scenario in India due to the techno-economic factor, better safety, etc. At the time of nationali zation in 1973, when the total · Auti1or for corresponclcncc coal production was 75 Mt/y the share of opencast mining was 20 per cent.
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