Architecture and management of a geological repository - Andra

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C.RP.ADP.04.000118/495Figure 10.2.7 Schematic representation of the principal phenomena within a spent fueldisposal cell after package placement.................................................................378Figure 10.2.8 Accessibility of type C cell ends after fitting the seal........................................379Figure 10.2.9 Schematic representation of the principal phenomena within type C wastedisposal cells after sealing ..................................................................................380Figure 10.2.10 Diagrammatic representation of the principal phenomena around aconnecting drift, depending on its orientation over a century.............................383Figure 10.3.1 Illustration of a vibrating wire extensometer, attached to a reinforcementand integrated in the concrete structure ..............................................................395Figure 10.3.2 Measuring table for a vertical pendulum ............................................................395Figure 10.3.3 Inductive extensometre for boreholes.................................................................396Figure 10.3.4 Vibrating wire interstitial pressure cells .............................................................396Figure 10.3.5 Vibrating wire thermometre................................................................................397Figure 10.3.6 Fibre optic to take distributed temperature measurements .................................397Figure 10.3.7 Wireless surface transmission to the Laboratory in the Meuse/Haute-Marne site ...........................................................................................................398Figure 10.3.8 Experimental wireless transmission devise in the underground Äspölaboratory ............................................................................................................399Figure 10.3.9 Example of monitoring at the repository level, at a particular point in timein the repository process .....................................................................................401Figure 10.3.10 B control cell observation system .......................................................................403Figure 10.3.11 Composition of an instrumented section for a B control module .......................404Figure 10.3.12 Monitoring unit in a B control cell......................................................................404Figure 10.3.13 Monitoring procedures for the downstream part of a seal ..................................407Figure 10.3.14 Monitoring equipment that can be used on a C control cell ...............................408Figure 10.3.15 Example illustrating the surface auscultation of the cell C sleeve......................409Figure 10.3.16 Monitoring of a C cell on the sleeve and in bore-holes ......................................410Figure 10.3.17 Wireless transmission system passing through a C cell plug, currentlyunder study..........................................................................................................412Figure 10.3.18 Instrumented section of a spent fuel cell.............................................................413Figure 10.3.19 Illustration of the monitoring equipment distribution options in a driftsection .................................................................................................................414Figure 10.3.20 Distribution of the instrumented sections and the pendulums in a shaft.............416Figure 10.3.21 Instrumented section of a shaft ...........................................................................417Figure 10.3.22 Equipment installed in a monitoring unit in a shaft wall ....................................417Figure 10.3.23 Cage with Vibrating Wire Extensometers ..........................................................418Figure 10.4.1 Functional clearances – Cross section of a B package disposal cell...................420Figure 10.4.2 Cell filled with B packages at end of operation ..................................................421Figure 10.4.3 Cell filled with B packages after sealing ............................................................422Figure 10.4.4 Checking the atmosphere of a B cell by drilling.................................................422Figure 10.4.5 Top View of Airway with Antennas...................................................................423Figure 10.4.6 Construction of the Ventilation Airway..............................................................423Figure 10.4.7 Seal deconstruction process ................................................................................424DOSSIER 2005 ARGILE -ARCHITECTURE AND MANAGEMENT OF A GEOLOGICAL DISPOSAL SYSTEM18/495
C.RP.ADP.04.000119/495Figure 10.4.8 Reconstructed cell B ...........................................................................................424Figure 10.4.9 Functional clearance between a package and the sleeve in a C cell ...................426Figure 10.4.10 C Cell at end of operation ...................................................................................427Figure 10.4.11 Example of a pulling robot used to retrieve packages ........................................428Figure 10.4.12Pickup and retrieval principles of disposed packages.........................................429Figure 10.4.13 C Cell sealed .......................................................................................................430Figure 10.4.14C Cell seal boring................................................................................................430Figure 10.4.15 Reconstructing C cell head .................................................................................431Figure 10.4.16 C Cell after reconstruction ..................................................................................432Figure 11.2.1Risk characterisation...........................................................................................443Figure 11.2.2 Honeycomb material crash test (Impact Speed 200 km/h) .................................449Figure 11.2.3 Schematic diagram of the devices envisaged to reduce risks during wastedisposal package transfer in shaft .......................................................................450Figure 11.4.1 Standard total thermal powerfor a 30 MW fire...................................................458Figure 11.4.2 Smoke circulation and evacuation in the case of a fire in an operationaltype C (or CU) unit .............................................................................................459Figure 11.4.3 Qualification tests on the smoke control system in the Orelle tunnel(SFTRF and SETEC) – example of a fire with smoke stratification. .................459Figure 11.4.4 Case of a fire in a connecting drift:evacuation either side of the fire .................460Figure 11.4.5 Fire in a dead-end drift: personnel evacuation via an interconnecting driftinto an adjacent drift or sheltering in a mobile refuge ........................................461Figure 11.4.6 Spatio-temporal evolution of the air temperature (°C) in the case of a fire ina type C waste cell access drift during nuclear operation – Representationof the movement of personnel located downstream the fore ventilationairflow.................................................................................................................462Figure 11.5.1 Temperature distribution in the primary packages of bituminised sludge(B2.1) ..................................................................................................................467Figure 11.6.1 Temperature range at the primary packages of bituminised sludge (B2.1) inthe case of a fire in a disposal cell ......................................................................471Figure 11.7.1 3D representation of the lower section of the shaft equipped with the fallshock absorber system ........................................................................................472Figure 11.7.2 Energy balance of a fall in a shaft of a cage transporting a transfer caskwith C wastes ......................................................................................................474Figure 11.8.1 Installation of the drop-test demonstrator (package B5.2 - CEA/CESTATest Centre - Gironde) ........................................................................................478Figure 11.8.2 Appearance of the demonstration model after the drop (left, demonstrationmodel B2.1; right, demonstration model B5.2) ..................................................480Figure 11.8.3 Comparison between simulation and fall test in the case of the primarypackage close to the impacted corner of demonstration model B5.2..................480TablesTable 2.5.1 Emplacement of waste packages and repository components ..............................69Table 2.5.2 Long-term safety functions and repository components.......................................71DOSSIER 2005 ARGILE -ARCHITECTURE AND MANAGEMENT OF A GEOLOGICAL DISPOSAL SYSTEM19/495
Page 1 and 2: Report SeriesTomeArchitectureand ma
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Page 17: C.RP.ADP.04.000117/495Figure 9.2.2
Page 21: C.RP.ADP.04.000121/495Table 11.6.1T
Page 24 and 25: 1 - The Study Approach1.1 Purpose o
Page 26 and 27: 1 - The Study ApproachFrom 1999 to
Page 28 and 29: 1 - The Study Approach1.4 Structure
Page 30 and 31: 2 - General DescriptionThis chapter
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2 - General DescriptionAs for the w
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2 - General DescriptionThe figure b
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33High-level long-lived waste3.1 Wa
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3 - High Level Long-Lived WasteRese
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3 - High Level Long-Lived Wastesupp
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3 - High Level Long-Lived WasteThe
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3 - High Level Long-Lived WasteFigu
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3 - High Level Long-Lived WasteA fi
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3 - High Level Long-Lived WasteA se
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3 - High Level Long-Lived WasteVitr
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3 - High Level Long-Lived WasteCond
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3 - High Level Long-Lived WasteDist
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3 - High Level Long-Lived Waste3.3.
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3 - High Level Long-Lived WasteTabl
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44Waste disposal packages4.1 B disp
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4 - Waste disposal PackagesFor empl
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4 - Waste disposal Packages• Safe
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4 - Waste disposal Packages• "Par
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4 - Waste disposal PackagesThe prin
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4 - Waste disposal PackagesThe seco
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4 - Waste disposal PackagesFigure 4
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4 - Waste disposal Packages4.1.5 Th
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4 - Waste disposal Packages4.1.5.7
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4 - Waste disposal PackagesIn the c
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4 - Waste disposal PackagesFinally,
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4 - Waste disposal PackagesThe YAG
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4 - Waste disposal PackagesIn the U
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4 - Waste disposal PackagesThe spee
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4 - Waste disposal Packages4.2.4 Ma
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4 - Waste disposal PackagesLoadSlid
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4 - Waste disposal Packages4.3 Spen
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4 - Waste disposal PackagesThe seco
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4 - Waste disposal PackagesFor both
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4 - Waste disposal Packages• Safe
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4 - Waste disposal PackagesAs for C
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4 - Waste disposal PackagesMelted c
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55Repository modules.5.1 B waste re
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5 - Repository Modules5.1.1.1 Quest
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5 - Repository Modules• Controlli
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5 - Repository ModulesFigure 5.1.1t
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5 - Repository Modules• The geome
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5 - Repository ModulesTable 5.1.1Fu
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5 - Repository ModulesFigure 5.1.9D
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5 - Repository Modules5.1.3.2 Detai
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5 - Repository Modules• Arrangeme
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5 - Repository ModulesAlthough this
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5 - Repository ModulesConnection be
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5 - Repository ModulesFurthermore,
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5 - Repository ModulesTo illustrate
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5 - Repository Modules• The acces
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5 - Repository ModulesFigure 5.1.24
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5 - Repository Modules• Limiting
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5 - Repository Modules5.2.2 Design
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5 - Repository ModulesA concept wit
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5 - Repository Modules• Orientati
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5 - Repository ModulesFigure 5.2.3O
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5 - Repository Modules5.2.3.1 Descr
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5 - Repository ModulesA minimum ann
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5 - Repository ModulesIn terms of t
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5 - Repository ModulesStorage perio
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5 - Repository ModulesSensitivity t
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5 - Repository ModulesIt must be no
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5 - Repository Modules• Disposal
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5 - Repository Modules• Assembly
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5 - Repository ModulesThe permeabil
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5 - Repository ModulesThe evolution
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5 - Repository ModulesThe lowest dr
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5 - Repository Modules• Back-fill
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5 - Repository Modules5.3.2.1 Sever
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5 - Repository ModulesFigure 5.3.4S
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5 - Repository ModulesThe cells are
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5 - Repository ModulesFinally, it s
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5 - Repository ModulesThe internal
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5 - Repository Modules• Descripti
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5 - Repository Modules- another pos
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66 Overall undergroundarchitecture6
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6 - Overall underground architectur
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7 - The shafts and the driftsThe co
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7 - The shafts and the drifts7.2.2
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7 - The shafts and the driftsFigure
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7 - The shafts and the drifts7.3.3.
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7 - The shafts and the drifts7.4 De
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7 - The shafts and the driftsThe dr
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7 - The shafts and the drifts7.7 Cl
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7 - The shafts and the driftspressu
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88Surface installations8.1 General
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8 - Surface installationsFigure 8.1
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8 - Surface installationsSuch a bui
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8 - Surface installationsApart from
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9 - Nuclear operating resources in
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1010 Reversible repositorymanagemen
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During the operational phase, the d
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Figure 10.1.1Key repository operati
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The radioactive elements can thus b
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Furthermore, equipment and liner ma
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The condition of the access drifts
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The sleeve’s durability is improv
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10.2.2.2 “Post cell-sealing” st
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As far as long-term safety is conce
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Figure 10.2.10Diagrammatic represen
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10.3.1.1 Overview of the principal
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10.3.2.2 Monitoring of type C waste
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The project’s monitoring programm
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• Absence of a significant impact
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Dams are of particular interest whe
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The rate of operation of these sens
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• Water contentThe water content
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A similar wireless transmission tec
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Figure 10.3.9Example of monitoring
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In addition, a visual control syste
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Cell atmosphere monitoring is limit
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The monitoring of the seal can be c
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• The instrumented sections and t
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The deformation measurements carrie
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10.3.9 Observation of spent fuel di
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These instrumented sections (cf. §
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The monitoring equipment embedded i
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the cell which conditions the evolu
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Figure 10.4.2Cell filled with B pac
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Ventilation of a 250-m long cell re
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• Package retrieval processOnce t
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Figure 10.4.10C Cell at end of oper
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The robot is traversed similarly to
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This operation is complete when a b
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The condition of the drift liner sh
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1111 Operational Safety11.1 Evaluat
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11 - Operational SafetyTransport tr
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11 - Operational SafetyTable 11.1.1
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11 - Operational SafetyResultsTable
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11 - Operational SafetyThe risks ar
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11 - Operational SafetyOn the surfa
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11 - Operational Safety“Honeycomb
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11 - Operational SafetyGiven the me
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11 - Operational SafetyThis risk co
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11 - Operational SafetyHydrogen emi
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11 - Operational SafetyOver and abo
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11 - Operational SafetyFigure 11.4.
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11 - Operational SafetyHowever, wit
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11 - Operational Safety11.5.2 Concl
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11 - Operational Safety11.7.1 Asses
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11 - Operational SafetySuch a damag
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11 - Operational Safety11.8.1.2 Dat
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11 - Operational SafetyIn all cases
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1212 Synthesis12.1 Simple and robus
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12 - SynthesisThe existence of unce
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12 - SynthesisTo concretely illustr
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Bibliographic references[17] Callon
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Bibliographic references[54] Andra
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Bibliographic references[88] IAEA (
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Photo Credits:ANDRA - AREVA CREATIV
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Architecture and management of a geological repository - Andra

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