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

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Rapid EIA Studies of 3 Pre-identified Hazardous Waste Disposal Sites in NCT - Delhi Page No.144 Attribute Population within 500 meters Distance to nearest drinking water well Use of site by nearby residents Distance to nearest off site building Attribute Measurement Table 5.9: Evaluation of Site-IV: Old Bawana Site Sensitivity Index * Weightage Attribute Score Remark Receptor Related There is a CRPF campus within 500 m from the site whose population has been estimated to be around 100. The nearest village Bawana, Sanoth are more than 1 Km 100 0.25 80 20away. The nearest drinking water well is located within the CRPF < 1000m 0.875 60 52.5campus. occasional 0.25 50 Site is used for grazing of animals and part of it used by villagers for 12.5farming The nearrest of site building is that of a within 1000m 0.75 40 30CRPF campus. Presence of major transportation route Road 0.5 30 15 Land use/zoning Protected Forest 0.75 30 As per Conservator of Forest, West Division, the site is under protected Forest area though there have been successful plantations by the forest officials in that area. Also part of the 22.5area is salt effected. Critical environments Preserved area A herd of small deer 0.75 30 like animals called Rodh and neelghai were observed by local 22.5inhabitants in the site Subtotal 320 175 Pathway Related Distance to nearest surface water Western Yamuna canal approx. 500 m from the < 500m 0.75 55 41.25proposed site. Depth to ground water < 5 m 1 45 There is availability of fresh water in this zone due to groundwater recharge by western Yamuna canal. The groundwater ia available at a depth 45between 0 to 4.5 m bgl. Environment Division, National Productivity Council, New Delhi 5
Rapid EIA Studies of 3 Pre-identified Hazardous Waste Disposal Sites in NCT - Delhi Page No.145 Type of Soil contamination There is deposition of contamination salt on one half of the 0.25 45 11.25site. Precipitation effectiveness index * Climate of NCT-Delhi is semi arid. PEI for semi 31 0.25 25 arid climate is in the 6.25range of 16 to 31. Soil permeability The clay% in the 0 - 15% clay 0.85 25 subsoil in the site 21.25varies from 2 - 7. Bedrock permeability Quartzite rock is most 0 0 20 prevalent bedrock in 0NCT - Delhi. Depth to bedrock The depth to bedrock 0 0 20 at the site is beyond 0300 m bgl. Susceptibility to erosion & run-off No erosion 0 15 0 Climatic features with respect to Air pollution Susceptibility to seismic activity The wind speeds are high in this region ( 9.9 - 13.7 kmph) during summer and midmonsoon and are associated with higher mixing heights thereby providing high No problem 0 15 0dispersion. Moderately high 0.75 15 11.25 Subtotal 280 136.25 Waste Characteristics Related Toxicity Mostly ETP sludge 0.25 50 generated from metal 12.5finishing industries. Radioactivity Not radioactive 0 30 0 Persistence Metals 1 30 30 Ignitability No ignitable 0 20 0 Reactivity Stable and reacts very slowly 0.25 20 5 Corrosivity pH of 6 - 8 0.25 20 5 Solubility Slightly soluble 0.5 20 10 Volatility Least volatile 0.25 15 3.75 Physical state Solid/sludge 0.25 15 3.75 Subtotal 220 70 Waste Management Practice Related Hazardous waste quantity/ annum The total quantity of hazardous waste > 2000 tonnes 1 45 generated from approved industrial estates/areas in NCT - Delhi is approx. 50 MT 45per annum. Waste Incompatibility Hazardous waste 0.25 30 7.5 Environment Division, National Productivity Council, New Delhi 5
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Rapid Environmental Impact Assessme
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STUDY TEAM (Environment Division) P
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TABLE OF CONTENT Sl. No. Descriptio
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Sl. No. Description Page No. 9.4 Pu
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Table. No. Content 4.22 Ambient air
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4.24 Permeability versus depth of s
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Executive Summary Page No 1(9) EXEC
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Area required for developing engine
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generating industrial estates. Ther
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Executive Summary Page No 9(9) area
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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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