Appendix CRF - Part 3 - Northamptonshire County Council

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Radiological Assessment 0820-2 Version 2 limestone and mudstones and the brackish sediments constitute mudstones and siltstones. This upper division ranges between 1 and 8 m in thickness. The Upper Estuarine Series is recorded in most borehole logs around the site. The interface between this unit and the overlying Glacial Boulder Clay and weathered clayey soils is difficult to discern. The upper part of the Lincolnshire Limestones underlying the Upper Estuarine Series and forming the base of the clay pit comprises a sequence of oolitic limestones. The lower part of the Lincolnshire Limestones is composed of fine grained sandy limestones. The Lincolnshire Limestone has been proven in the majority of the boreholes drilled within the site boundaries and ranges from 9 to 21 m in thickness. Discrete horizontal fissuring associated with bedding is present within the limestones. Fissures are generally clean and smooth with infilling material composed of fragments of limestone, crystalline calcite sand, silt and clay. Extensive fissuring and fragmented limestone has been seen in cores at certain elevations with decalcification producing cavities within the limestone. During preparation of the formation base of Cell 3A, two fissures were observed on the exposed surface of the limestone. These fissures were up to 1 m in length, 8 cm wide and estimated to be 30 cm deep. These fissures were infilled with a gravel concrete mix before emplacement of the basa1 barrier. Beneath the Lincolnshire Limestones, the Grantham Formation is somewhat discontinuous around King’s Cliffe, and often the Lower Lincolnshire Limestone is in direct contact with the Northampton Sands. Below the Northampton Sand is the Upper Lias. Glacial Till deposits are relatively extensive, especially on higher ground to the southwest, east and southeast of the site. Glacial Till was encountered to the southwest of the quarry, where it has been described as firm to stiff, dark brown and grey, slightly sandy clay with limestone gravels, with a thickness of 8.6 m. The principal hydrogeological units in the Jurassic rocks of the area are listed in Table 2.3. Although groundwater vulnerability maps show the ENRMF landfill site to be in a non-aquifer area (Upper Estuarine Series), the removal of clay during quarrying means that the base of the landfill situated on the Lincolnshire Limestone, classified as a Major Aquifer by the Environment Agency. The hydraulic properties of the Lincolnshire Limestone in the East Midlands area are summarised in Table 2.4. Because of the removal of the overlying Upper Estuarine Series, the Limestone in the region of the site is unconfined. Regional groundwater flow is down dip towards the confined area in the east (Allen et al., 1997). The Lincolnshire Limestone aquifer is characterised by fracture flow and there are also swallow holes in the vicinity which allow rapid flow of water from surface to the water table. The depth to the water table is estimated to be between 4m to 8m, and the thickness of the aquifer at the site is 15m to 22m. Permeability is lower than would be Galson Sciences Limited 8 14 July 2009 WS010001/ENRMF/CONSAPP<strong>CRF</strong> 558
Radiological Assessment 0820-2 Version 2 expected in other regions and the aquifer, although used for agricultural supply, is not used for public water supply in this area. Formation Hydrogeological classification Comment Great Oolite Limestone Aquifer Minor aquifer. Unsaturated Upper Estuarine Series (Silty Mudstone) Aquitard Potentially semi-confines the underlying Lincolnshire Limestone aquifer in the local area and to the south and southeast. Elsewhere may be absent. Lincolnshire Limestone Aquifer Major aquifer (EA classification). Locally has limited thickness. Dominated by fracture flow. Recharge through swallow holes extending through Upper Estuarine Series. The semi-confining clays of the Upper Estuarine Series were removed at quarry site resulting in water tab1e conditions. Elsewhere to the east conditions are confined/artesian. Grantham Formation Aquitard May be absent. Northampton Sand Aquifer Minor aquifer. It is semi-confined by the silts/clays of the Lower Estuarine Series. Where this is absent, it is in hydraulic continuity with the Lower Lincolnshire Limestone Aquifer. Upper Lias Aquiclude Basal Aquiclude to the Oolite Series aquifer/aquitard system. Table 2.3 Principal hydrogeological units in the region of the ENRMF landfill site. Galson Sciences Limited 9 14 July 2009 WS010001/ENRMF/CONSAPP<strong>CRF</strong> 559
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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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Page 189 and 190: WS010001/ENRMF/CONSAPPCRF 507
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Page 273 and 274: 4.3.2 Fire Radiological Assessment
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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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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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