Appendix CRF - Part 3 - Northamptonshire County Council

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Radiological Assessment 0820-2 Version 2 freshwater ecosystems, show that no organisms or wildlife groups are likely to receive dose rates in excess of the internationally recognised criterion of 10 Gy / hour. The actual use of the ENRMF for disposal of LLW waste remains subject to discussions with the Environment Agency and other stakeholders. Galson Sciences Limited ii 14 July 2009 WS010001/ENRMF/CONSAPP<strong>CRF</strong> 548
Radiological Assessment 0820-2 Version 2 Contents Executive Summary..................................................................................................... i 1 Introduction............................................................................................................1 1.1 Project background..........................................................................................1 1.2 Approach .........................................................................................................1 1.3 Structure of report............................................................................................2 2 Background ............................................................................................................3 2.1 Site...................................................................................................................3 2.1.1 Design and operations .........................................................................3 2.1.2 Geology and hydrogeology .................................................................6 2.1.3 Biosphere and receptors ....................................................................10 2.2 Wastes............................................................................................................11 3 Assessment Methodology.....................................................................................14 3.1 Summary of SNIFFER methodology ............................................................14 3.1.1 Assessment framework......................................................................14 3.1.2 Scenarios............................................................................................16 3.1.3 Dose calculations...............................................................................18 3.2 Modifications to SNIFFER methodology .....................................................21 3.2.1 Dose criteria and compliance points..................................................21 3.2.2 Barrier design and performance ........................................................23 3.2.3 Distribution of waste .........................................................................24 3.2.4 Leachate concentration......................................................................25 3.3 Supplementary calculations...........................................................................26 4 Assessment Data and Assumptions ....................................................................28 4.1 Site characteristics .........................................................................................28 4.1.1 Size of site .........................................................................................28 4.1.2 Construction ......................................................................................28 4.1.3 Barrier................................................................................................28 4.1.4 Cap.....................................................................................................30 4.1.5 Operational period.............................................................................31 4.1.6 Leachate collection and management procedures .............................32 4.1.7 Leachate spillage ...............................................................................32 4.1.8 Control over future site use ...............................................................35 4.2 Hydrogeological setting.................................................................................35 4.2.1 Underlying geology...........................................................................35 4.2.2 Unsaturated zone characteristics .......................................................36 4.2.3 Saturated zone characteristics............................................................36 4.2.4 Groundwater discharges ....................................................................37 4.2.5 Stream and river characteristics.........................................................37 4.2.6 Groundwater flow and radionuclide transport...................................38 4.3 Other scenarios and pathways .......................................................................40 4.3.1 Gas.....................................................................................................40 Galson Sciences Limited iii 14 July 2009 WS010001/ENRMF/CONSAPP<strong>CRF</strong> 549
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AUGEAN PLC EAST NORTHANTS RESOURCE
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Preface This authorisation applicat
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Wound Exposure 8.5 Pre-Closure - no
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Summary Introduction S1 This docume
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Radioactivity & Risk S12 This summa
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The LLW Disposal Proposal S24 The a
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Key Facts Summary Operational Legal
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S32 The actual capacity of the land
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S40 What are the impacts of transpo
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Annex to the Summary: What is Radio
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How Does Radiation Interact with th
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Supporting Information for the Appl
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2.0 Authorisation 2.1 Background 2.
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management option will allow curren
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Objective/Principle/Requirement fro
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3.1.3 The HPA have recently issued
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Hazardous waste landfills receive w
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easonable attempts have been made t
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3.6.6 This application document doe
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3.10.7 The new regulations to trans
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4.2 Business Plans and Site Develop
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upper bound on the region of dose o
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proposed that if the waste has an u
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y the authorisations for transfer i
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5.4.9 Each package or self-similar
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5.6 Disposal, Waste Emplacement, Co
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package and additional shielding (f
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6.0 Waste Disposal History 6.0.1 Th
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8.0 Radioactive Waste Disposal Cons
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Scenario Annual Dose Criteria Publi
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8.1.9 Additional ALARA precautions
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8.3 Pre-Closure - not expected to o
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Doses from Dropped Load Scenario In
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- The crater size can be estimated
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8.5 Pre-Closure - not expected to o
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Nuclide Maximum Leachate Authorisat
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8.9 Post-Closure - expected to occu
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8.10 Post-Closure - expected to occ
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Groundwater Pathway, Site Boundary
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Intrusion (Table 5.3, Annex B) "Int
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Intrusion (Table 5.3, Annex B) "Res
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8.15 Results of the Assessment Scen
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8.16 Landfill Radiological Capacity
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Radiological Capacity (MBq) (0.02 m
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8.16.5 The likely conclusion is tha
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With the additional constraint that
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Limit values are prescribed for cer
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nuclides (including appropriate dau
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10.0 BPEO Assessment for Disposal o
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the Environmental Permitting Regula
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12.0 Landfill Engineering and BAT F
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13.0 Waste Hierarchy and Waste Mini
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ECOLOGY and NATURE CONSERVATION Woo
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15.2 Augean’s Core Business Value
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15.5 Augean Organisation Group Tech
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CPR 04 Off loading of palletised wa
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15.7 Arrangements Specific to LLW D
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17.0 The Application Forms 17.1 Was
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References 1 Process and Informatio
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Figures Application for disposal of
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WS010001/ENRMF/CONSAPPCRF 439
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analysis, sensitivity. A quantitati
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closure. Administrative and technic
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dose. A measure of the energy depos
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HPA (NRPB) The Health Protection Ag
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model. A representation of a system
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adioactive material. Material desig
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safety culture. The assembly of cha
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uranium, enriched. Uranium containi
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Annexes A Radiation, People and the
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the
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Radiological Assessment 0820-2 Vers
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Annex C ENRMF, IRRs 1999, Radiation
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2 VERSION 3, 14 July 2009 year, and
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2 RADIATION RISKS FROM NORMAL OPERA
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6 VERSION 3, 14 July 2009 Thus, dus
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8 VERSION 3, 14 July 2009 protectio
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10 VERSION 3, 14 July 2009 Access t
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12 VERSION 3, 14 July 2009 clean an
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APPENDIX TO ENRMF RISK ASSESSMENT 1
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Radionuclide Dose coefficient (Sv/B
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Technical Services Group NOT PROTEC
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1 INTRODUCTION NOT PROTECTIVELY MAR
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NOT PROTECTIVELY MARKED Figure 3: D
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4 REFERENCES NOT PROTECTIVELY MARKE
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Annex F Application Form WS010001/E
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Contents A For Office Use B Company
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East Northamptonshire Council Count
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E Type of Application E1 When would
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13.2 Illumination - Use of radiolum
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Please note that Environment Agency
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H6 How do you intend to measure or
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I13 What is the total monthly volum
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J Organic Liquid Waste Accumulation
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Transfer to a contractor Please pro
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Disposal of very low level solid wa
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1 0 Solid waste continued L14 How d
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L29 What is the maximum annual disp
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M2 Do you wish to have the standard
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*Note - These terms are explained i
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Documentary evidence of measures ta
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E-mail S18 What is the address of t
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Please give the county council unle
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Example Capacity Calculation Layout
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Annex H Calculation of dose rate at
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NOT PROTECTIVELY MARKED Table of Co
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NOT PROTECTIVELY MARKED 2.3 MicroSh
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3.3 Covering soil material thicknes
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NOT PROTECTIVELY MARKED APPENDIX A
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Report Determination of 238 U, 235
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Job reference number GAU1278 (Final
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3 H Job reference number GAU1278 (F
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Job reference number GAU1278 (Final
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Annex J Capability Statements WS010
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Peter Shaw Job Title - Group Leader
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Galson Sciences Limited July 2009 D
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1987 - 2005: Director of Environmen
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Appendix CRF - Part 3 - Northamptonshire County Council

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