STUDIES ON CHARACTERISTICS OF DUMPING YARD LEACHATE FROM MUNICIPAL SOLID WASTE AND THEIR IMPACT ON SOIL, WATER, CROP AND HUMAN HEALTH
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Date
2020-12-24
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University of Agricultural Sciences, Bangalore
Abstract
The Leachate produced from municipal solid waste open dumping site of Bengaluru, India was examined to know Leachate transfer potential, pollution potential and enumeration of microbial population, to know the spatial and temporal variation in soil, ground and stream water. To know the impact of leachate at different leachate concentration (0, 10, 20, 30, 40 and 50 %) on growth and biomass production of cabbage was conducted under greenhouse condition. The survey has also been conducted for correlating the facts regarding human health. The leachate collected during summer has higher leachate pollution index followed by winter and rainy season. Potentially heavy metals in leachate derived from dumping site have transfer potential till 3 to 4 km in soil and ground water and till 5th km in stream water. Cordially high content of heavy metals in the leachate, the groundwater and soil near the dumping site are polluted may be due to redox potential. The enumeration of microbial population in ground water and stream water resulted as increase in population with decrease in distance in summer fallowed by winter and rainy season. The survey results are also in line with information collected from primary health centre regarding human health and results obtained.