Appendix CRF - Part 3 - Northamptonshire County Council

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Radiological Assessment 0820-2 Version 2 5.4 Leachate management and spillage 5.4.1 Leachate management Specific doses to members of three exposed groups at a sewage treatment works receiving leachate from the ENRMF are presented in Table 5.4. These results are based on the Environment Agency’s Initial Assessment methodology (Environment Agency 2006a; 2006b), which does not include the same range of radionuclides as used in the remainder of the radiological assessment. These results are based on the assumption that the sewage treatment works has an overall throughput of 1,080 m 3 of effluent per day and that the average exchange rate in the estuary is 30 m 3 / s. The specific doses for the STW worker and farming family are sensitive to the throughput (decreasing as overall throughput increases), and the specific doses for the fisherman are sensitive to the exchange rate (decreasing as the exchange rate increases). Radionuclide STW worker Specific dose (microSv / y per MBq / y) Farming family Fisherman H-3 2.11E-09 2.83E-06 2.52E-09 C-14 7.78E-08 4.72E-03 1.30E-03 Cl-36 1.33E-06 7.78E-02 4.80E-09 Fe-55 2.00E-07 1.33E-03 1.00E-07 Co-60 4.94E-02 7.78E-01 1.87E-03 Sr-90 2.28E-05 2.17E-02 1.83E-05 Tc-99 1.17E-07 2.83E-01 2.10E-05 Ru-106 6.11E-04 3.06E-03 1.44E-04 I-129 2.44E-05 6.11E-02 6.67E-05 Cs-134 1.11E-02 1.17E-01 2.80E-04 Cs-137 4.11E-03 1.00E-01 3.50E-04 Pm-147 2.11E-07 1.67E-05 6.50E-07 Eu-152 1.39E-02 2.67E-01 3.67E-03 Eu-154 1.50E-02 2.72E-01 3.33E-03 Eu-155 3.33E-04 5.06E-03 6.17E-05 Pb-210 4.44E-04 5.33E-01 6.33E-02 Ra-226 2.22E-02 5.56E-01 1.83E-03 Th-230 3.22E-04 1.28E-02 3.67E-05 Th-232 4.89E-04 1.39E+00 2.23E-03 Galson Sciences Limited 48 14 July 2009 WS010001/ENRMF/CONSAPPCRF 598
Radiological Assessment 0820-2 Version 2 U-234 1.11E-05 1.17E-03 3.90E-05 U-235 3.61E-04 7.78E-03 6.60E-05 U-238 8.33E-05 2.06E-03 4.20E-05 Np-237 3.67E-04 7.22E-02 6.00E-04 Pu-238 4.44E-04 2.00E-02 2.67E-03 Pu-239 4.83E-04 2.28E-02 2.83E-03 Pu-240 4.83E-04 2.28E-02 2.83E-03 Pu-241 8.89E-06 3.39E-04 5.33E-05 Pu-242 4.67E-04 2.22E-02 2.67E-03 Am-241 8.33E-04 3.94E-02 2.37E-05 Cm-243 2.44E-03 6.67E-02 1.00E-04 Cm-244 4.50E-04 1.78E-02 9.00E-06 Table 5.4 Specific doses to workers at a sewage treatment works (STW) receiving leachate from the ENRMF and to members of the public using resources contaminated by effluent from the STW. 5.4.2 Leachate spillage Specific doses calculated for members of the public via the leachate spillage pathway are presented in Table 5.5. These calculations are based on the assumptions described in Section 4.1.8 and in Appendix A. Radionuclide Pathways associated with water contaminated by leachate Drinking water Specific dose (μSv y -1 per MBq) Fish Crops Pathways associated with soil contaminated by irrigation with contaminated water Livestock and associated products H-3 1.58E-12 4.34E-15 3.53E-11 5.17E-13 1.50E-17 C-14 5.11E-11 1.26E-09 1.12E-09 2.08E-11 4.84E-16 Cl-36 8.19E-11 1.12E-11 1.82E-09 4.26E-11 7.76E-16 Fe-55 2.91E-11 7.96E-12 6.39E-10 1.54E-12 2.76E-16 Co-60 2.99E-10 2.46E-10 6.59E-09 8.64E-12 2.84E-15 Ni-63 1.32E-11 3.62E-12 2.91E-10 1.92E-12 1.25E-16 Sr-90 2.70E-09 4.44E-10 5.96E-08 2.02E-10 2.56E-14 Nb-94 1.50E-10 1.23E-10 3.29E-09 6.25E-16 1.42E-15 Tc-99 5.63E-11 3.09E-12 1.28E-09 7.94E-14 5.34E-16 Ru-106 6.16E-10 1.69E-11 1.36E-08 8.19E-11 5.84E-15 Galson Sciences Limited 49 14 July 2009 Soil WS010001/ENRMF/CONSAPPCRF 599
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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 for Disposa
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Page 273 and 274: 4.3.2 Fire Radiological Assessment
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Page 323 and 324: Annex C ENRMF, IRRs 1999, Radiation
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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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