Rischio industriale, ambiente e pianificazione (Scira Menoni, Politecnico di Milano)
Industrial risk: main issues (Scira Menoni, Politecnico di Milano)
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Transcript of Industrial risk: main issues (Scira Menoni, Politecnico di Milano)
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Industrial risk: main issues(Scira Menoni, Politecnico di Milano)
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A relevant problem of planning is that everything has to be done so quickly .…
My experience is that the overall time of design and implementation is shorter if there is enough time to think to the entire project
(M. Andersson, Swedish Railway Adm.)
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Air pollution/toxic cloud
Groundwater contamination/toxic release
Accidents menacing people, houses, infrastructures
Contamination of neighborhoods, rural areas…
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Chemical riskChemical risk
Severe accident
* Sudden* Acute effects* Explosion/fires/release * Accident during hazmat transportation
Contamination
* Delayed* Long term effects* Chronic/degenerative effects
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Contamination risk: Contamination risk: epidemiological studiesepidemiological studies
Hazard
* Toxic substances
* Context conditions must be considered: geological, metereological…
Exposure and vulnerability
* Exposure factors
* Individual susceptibility (cancerogenic markers)
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Reference legislation in the EUReference legislation in the EU
1. Seveso Directive II: 96/82/CEE
2. Seveso Directive III: 2003/105/EC
3. D.lgs 334/1999 eD.lgs 238/2005
4. DM 151, 9/5/2001
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Seveso Directive II: 96/82/CEE e DGL 334/1999;Seveso Directive II: 96/82/CEE e DGL 334/1999;Seveso Directive III: Seveso Directive III: 2003/105/EC 2003/105/EC e e Dlgs 238/2005Dlgs 238/2005
• Safety management and policy in the firm
• Control over land uses• Right to be informed• External emergency plan
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Classification of plantsClassification of plants
* Plants subject to safety report
* Plants subject to notification only
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Difference between probabilistic risk analysis and scenario approach
Probabilistic risk analysis R= H* V*E
Scenarios:choosing a specific event and its characteristics
1
D = f( y, V) d(y)
0
HAZARD INPUT
Hazard Vulnerabity
Risk
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P1 P2 P3
A way to bring scenario approaches closer to probabilistic risk assessment
(PRA)
HAZARD INPUT
HAZARD INPUT
HAZARD INPUT
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Hazard analysis:Hazard analysis:
- probability of each - probability of each scenario;scenario;
- Analysis of types of - Analysis of types of failures in the plantfailures in the plant
- Chain of failures- Chain of failures
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Vulnerability assessment:Vulnerability assessment:
-Other plants (domino effects);Other plants (domino effects);
- lifelines (domino effects);lifelines (domino effects);
- transportation networks;transportation networks;
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Vulnerability assessment:Vulnerability assessment:
- - Public buildings;Public buildings;
- Dwellings;- Dwellings;
- Population- Population
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Differences between Seveso I and IIDifferences between Seveso I and II
Seveso I• Need to make
hazardous installations safer (inspection, technical devices)
• Internal emergency plan
• Citizens’ right to Citizens’ right to knowknow
Seveso II Seveso 1 +• Safety policy in the
plant• Focus from inside to
outside:- Domino effects;- Land use planning- External
emergencyplants
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and: hazmat transportation. A future directive?and: hazmat transportation. A future directive?
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7.000450.000
8.000.000
60.000135.000
10.000
850.000
2.200
550.000
2,5
5.700.000
1.500.000
0
1.000.000
2.000.000
3.000.000
4.000.000
5.000.000
6.000.000
7.000.000
8.000.000
ADR 1 ADR 2 ADR 3 ADR4.1
ADR4.2
ADR4.3
ADR5.1
ADR5.2
ADR6.1
ADR6.2
ADR 8 ADR 9
Quantità (t/a) movimentate per Classe Adr
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And last but not least: brownfield cleaning And last but not least: brownfield cleaning up (DM 447/1999)up (DM 447/1999)