3.7.2 Plausible Contamination Pathways ........................................................................... 23 3.7.3 Potential Sensitive Receptors .................................................................................... 24 3.7.4 Potentially complete pollutant linkages ...................................................................... 24


4 CONCLUSIONS AND RECOMMENDATIONS ............................................................................. 27 5 REFERENCES ............................................................................................................................... 30


TABLES


Table 1: Soil associations crossed by the Preferred Onshore Cable Corridor and at the Converter Station Refined Area of Search .............................................................................................................. 6


Table 2: Geological units crossed by the Preferred Onshore Cable Corridor and Converter Station Refined Area of Search ........................................................................................................................ 10 Table 3: Known landfill sites ................................................................................................................. 13 Table 4: History of land along Preferred Onshore Cable Corridor ....................................................... 19 Table 5: Potential sources and types of contamination ........................................................................ 20 Table 6: Risk estimation for potentially complete pollutant linkages .................................................... 25 Table 7: Locations of potential contamination concern ........................................................................ 27


FIGURES Figure 20.1.1 Preferred Onshore Cable Corridor and Converter Station Figure 20.1.2 Sites of Special Scientific Interest near landfall and Deban Crossing Figure 20.1.3 Landfills and mineral extraction sites Figure 20.1.4 Groundwater protection zones Figure 20.1.5 Indicative conceptual site model Figure 20.1.6 Areas of potential contamination


APPENDICES Appendix A Appendix B


Summary of legislation and policy relating to contaminated land Service constraints


Appendix C Methodology for risk assessment


GLOSSARY ALC – Agricultural Land Classification BGC - British Geological Survey CGS - County Geodiversity Sites CSM - Conceptual Site Model


East Anglia Offshore Wind Limited


Preliminary Risk Assessment, East Anglia ONE Windfarm 41388-PRA(03)


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