EIA Studies of 3 Pre-Identified Hazardous Waste Disposal Sites in ...

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Executive Summary Page No 8(9) 9. The geo-technical investigations results at the site shows that the sub-soil strata from existing ground surface to 20.4 m depth consists predominantly of fine grained soils i.e. sandy silt of low plasticity (CL/ML-CL). However, the sub-soil strata from depth 2.50 to 5.00m consists predominantly of coarse grained soils i.e. silty sand (SP-SM). The depth to bed rock at the site is more than 300m b.g.l. 10. The quality of the groundwater shows: (I) Lead concentration values exceed 0.05 ppm in 1 U/s, 4 D/s locations, (ii) Hardness values exceed 600 ppm in 8 locations (5 D/s, 3 U/s), (iii) Fluoride values exceed 1.5 ppm in 2 U/s, 2 D/s locations, (iv) TDS value exceeds 2000 ppm in 3 U/s, 5 D/s locations. 11. Based on 50 years rainfall data, average annual rainfall is reported to be 905.32 mm. 12. Based on monitoring of ambient air quality at the site for 3 days (24 hours continuously), concentration of SPM, SO x and NO x at the site were in the range of 145 - 160, 1.6 - 1.8 and 1.5 - 2.1 ug/nm 3 respectively. The presence of the SPM, SO x and NO x in ambient air quality is well below the prescribed national Ambient Air Quality standards for industrial areas/residential areas. 13. While carrying out excavation and construction of the landfill, periodic water spray has been recommended in order to suppress dust. 14. Based on the findings of EIA studies, the above project can be considered as less polluting project 15. The leachate generated secured landfill facility will be collected systematically in the collection pit and will be pumped to the Treatment Plant for further treatment before disposal into environment. 16. To prevent soil erosion after closure of the facility, vegetative cover will be developed on top of the liner system. 17. Green belt will be developed surrounding the secured landfill facility in order to abate air & noise pollution and to reduce the storm water drainage. 18. The development of this facility will facilitate the systematic collection, storage, handling, transportation, processing and disposal of the hazardous wastes generated from 28 approved industrial areas/estates in Delhi without effecting the surrounding environment. This would result in improvement in the general environment within the region. 19. Development of secured landfill facility for disposal of hazardous wastes will involve many activities as described in the report. This will increase the opportunities of employment for the local people, which is a positive aspect of the project. 20. Continuous monitoring of ground water and ambient air during operation and closure of landfill facility is recommended to be carried out in the surrounding Environment Division, National Productivity Council, New Delhi
Executive Summary Page No 9(9) area of the facility. This will continue for 30 years even after the closure of the facility. --------------------------------- ----------------- Environment Division, National Productivity Council, New Delhi
Page 1 and 2: Rapid Environmental Impact Assessme
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Annex I, Page No ii Topography: In
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Annex I, Page No iv locate the site
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Annex I, Page No vi 0.2 Bad (1) Lan
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Annex II, Page No ii south of the s
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Annex II, Page No iv is a open area
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Annex II, Page No vi the site where
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Annex III, Page No ii PRIMARY WATER
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Annex IV, Page No ii Mappin Descrip
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Mappin g Unit Description with loam
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EIA Studies of 3 Pre-Identified Hazardous Waste Disposal Sites in ...

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