EIA Studies of 3 Pre-Identified Hazardous Waste Disposal Sites in ...
EIA Studies of 3 Pre-Identified Hazardous Waste Disposal Sites in ... EIA Studies of 3 Pre-Identified Hazardous Waste Disposal Sites in ...
Rapid EIA Studies of 3 Pre-identified Hazardous Waste Disposal Sites in NCT - Delhi: Page No.21 Attribute SENSITIVITY INDEX 0.0 - 0.25 0.25 - 0.5 0.5 - 0.75 0.75 - 1.0 O C O C Reactivity Stable and Unstable and Reacts Explosive and reacts slowly reacts violently violently and generates toxic forms gases when explosive mixed with mixture with water water Corrosivity pH of 6 to 8 pH of 5 to 6 pH of 3 to 5 pH of 1 to 3 or 8 to 9 or 9 to 11 or 11 to 14 Solubility Insoluble Slightly soluble Soluble Very soluble Volatility Vapour Vapour Vapour of 25 Vapour pressure less pressure of 0.1 to 78 mm Hg pressure than 0.1 mm to 25 mm Hg greater than 78 Hg mm Hg Waste Management Practice Related Physical state Solid Sludge Liquid Gas Hazardous waste Upto 250 250 to 1000 1000 to 2000 Greater than quantity / annum tonnes tonnes tonnes 2000 tonnes Waste Incompatibility May be Heat & nontoxic Explosion & Toxic gas hazardous but gas fire generation unknown generation Co-disposal with Easily Partially Slightly Non- Municipal wastes degradable degradable degradable degradable Use of liners Clay or other Synthetic or Asphalt base No liner used liner resistant concrete liner to organic compounds Incineration with offgas Complete off- Particulate Only No off-gas cleaning gas clean up removal and particulate cleaning system gas cleaning removal Leachate Treatment Complete Collection and Collection and No collection collection and physicochemical biological treatment treatment treatment Security guard but no fence Site Security Secure fence Remote No barriers with lock location or breachable fence Safety measures Adequate Moderate Inadequate None * Precipitation effectiveness index is the sum of the 12 monthly rates of P/E, where, P is total monthly precipitation and E is total monthly evaporation. The value of the index is used to classify the regions Wet (>128), Humid (63 - 127), Sub-humid (31 - 63), Semi Arid (16 - 31) and Arid (
Rapid EIA Studies of 3 Pre-identified Hazardous Waste Disposal Sites in NCT - Delhi: No.22 Attribute Attribute Sensitivity Weightage Measurement Index Population within 500 80 meters Distance to nearest drinking 60 water well Use of site by nearby 50 residents Distance to nearest off site 40 building Presence of major 30 transportation route Land use/zoning 30 Critical environments 30 Subtotal 320 Pathway Related Distance to nearest surface 55 water Depth to ground water 45 Type of contamination 45 Precipitation effectiveness 25 index * Soil permeability 25 Bedrock permeability 20 Depth to bedrock 20 Susceptibility to erosion & 15 run-off Climatic features with 15 respect to Air pollution Susceptibility to seismic 15 activity Subtotal 280 Waste Characteristics Related Toxicity 50 Radioactivity 30 Persistence 30 Ignitability 20 Reactivity 20 Corrosivity 20 Solubility 20 Volatility 15 Physical state 15 Subtotal 220 Page Attribute Score Waste Management Practice Related Hazardous waste quantity/ 45 annum Waste Incompatibility 30 Co-disposal with Municipal 25 wastes Use of liners 20 Environment Division, National Productivity Council, New Delhi 1
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Rapid <strong>EIA</strong> <strong>Studies</strong> <strong>of</strong> 3 <strong>Pre</strong>-identified <strong>Hazardous</strong> <strong>Waste</strong> <strong>Disposal</strong> <strong>Sites</strong> <strong>in</strong> NCT - Delhi: Page<br />
No.21<br />
Attribute<br />
SENSITIVITY INDEX<br />
0.0 - 0.25 0.25 - 0.5 0.5 - 0.75 0.75 - 1.0<br />
O C<br />
O C<br />
Reactivity Stable and Unstable and Reacts Explosive and<br />
reacts slowly reacts violently violently and generates toxic<br />
forms gases when<br />
explosive mixed with<br />
mixture with water<br />
water<br />
Corrosivity pH <strong>of</strong> 6 to 8 pH <strong>of</strong> 5 to 6 pH <strong>of</strong> 3 to 5 pH <strong>of</strong> 1 to 3<br />
or 8 to 9 or 9 to 11 or 11 to 14<br />
Solubility Insoluble Slightly soluble Soluble Very soluble<br />
Volatility<br />
Vapour Vapour Vapour <strong>of</strong> 25 Vapour<br />
pressure less pressure <strong>of</strong> 0.1 to 78 mm Hg pressure<br />
than 0.1 mm to 25 mm Hg<br />
greater than 78<br />
Hg<br />
mm Hg<br />
<strong>Waste</strong> Management Practice Related<br />
Physical state Solid Sludge Liquid Gas<br />
<strong>Hazardous</strong> waste Upto 250 250 to 1000 1000 to 2000 Greater than<br />
quantity / annum tonnes tonnes tonnes 2000 tonnes<br />
<strong>Waste</strong> Incompatibility May be Heat & nontoxic<br />
Explosion & Toxic gas<br />
hazardous but<br />
gas fire<br />
generation<br />
unknown generation<br />
Co-disposal with Easily<br />
Partially Slightly Non-<br />
Municipal wastes degradable degradable degradable degradable<br />
Use <strong>of</strong> l<strong>in</strong>ers<br />
Clay or other Synthetic or Asphalt base No l<strong>in</strong>er used<br />
l<strong>in</strong>er resistant concrete l<strong>in</strong>er<br />
to organic<br />
compounds<br />
Inc<strong>in</strong>eration with <strong>of</strong>fgas<br />
Complete <strong>of</strong>f-<br />
Particulate Only<br />
No <strong>of</strong>f-gas<br />
clean<strong>in</strong>g<br />
gas clean up removal and particulate clean<strong>in</strong>g<br />
system gas clean<strong>in</strong>g removal<br />
Leachate Treatment Complete Collection and Collection and No collection<br />
collection and physicochemical<br />
biological<br />
treatment<br />
treatment<br />
treatment<br />
Security guard<br />
but no fence<br />
Site Security Secure fence<br />
Remote No barriers<br />
with lock<br />
location or<br />
breachable<br />
fence<br />
Safety measures Adequate Moderate Inadequate None<br />
* <strong>Pre</strong>cipitation effectiveness <strong>in</strong>dex is the sum <strong>of</strong> the 12 monthly rates <strong>of</strong> P/E, where, P is total<br />
monthly precipitation and E is total monthly evaporation. The value <strong>of</strong> the <strong>in</strong>dex is used to<br />
classify the regions Wet (>128), Humid (63 - 127), Sub-humid (31 - 63), Semi Arid (16 - 31)<br />
and Arid (
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