Annual Report for 2010/11 and Forward Programme - Sellafield Ltd

SSEM/2011/4730 June 20114. Regulator and Stakeholder engagement.......................................................... 754.1 General Engagement with the Environment Agency..............................................754.2 Multi-Agency Workshop ............................................................................................764.3 COMARE .....................................................................................................................764.4 Sellafield Seabed Monitoring Working Group .........................................................764.5 Local stakeholders.....................................................................................................775. Health Risk Assessment.................................................................................... 785.1 Health Protection Agency assessment ....................................................................785.2 Uncertainty and recommendations for future work................................................795.3 Risks to workers.........................................................................................................805.3.1 Nuvia operations....................................................................................................805.3.2 Inhalation...............................................................................................................815.3.3 Ingestion................................................................................................................815.3.4 Skin contact and wounds.......................................................................................825.3.5 Reassurance by monitoring for internal uptake .....................................................825.3.6 Potential of exposure to the public ........................................................................825.4 Nuvia dosimetry investigation ..................................................................................826. Aims and Objectives .......................................................................................... 846.1 Introducing the requirement for large area beach monitoring...............................846.2 Beach monitoring programme review......................................................................846.3 Developing the approach for offshore monitoring..................................................856.4 Developing aims and objectives for the particles in the environment workprogramme........................................................................................................................866.5 Primary Questions and their Grouping ....................................................................887. Programme of work for 2011/12 ........................................................................ 957.1 2011/12 Beach Monitoring Programme ....................................................................957.2 Application of BAT for beach monitoring ..............................................................1047.2.1 Introduction..........................................................................................................1047.2.2 Beach monitoring detection equipment ...............................................................1047.2.3 Consistent approach for statistical interpretation.................................................1067.2.4 Monitoring speed.................................................................................................1067.2.5 Daily overlap of monitoring area..........................................................................1067.2.6 Strandline monitoring...........................................................................................1077.2.7 Alternative monitoring methods...........................................................................1077.3 Offshore Monitoring for 2011/12 .............................................................................1077.3.1 Continued dialogue with Dounreay Site Restoration Ltd.....................................1077.3.2 DSRL ROV Trial ..................................................................................................1087.3.3 EA Grab Sampling...............................................................................................1087.3.4 Developing the forward programme for offshore monitoring ...............................1097.4 Future Beach Monitoring Assessment Work Programme....................................1137.5 Summary of costs ....................................................................................................1138. Programme of Works ....................................................................................... 115Appendix 1 2010/11 Beach Monitoring Coverage MapsAppendix 2 Interpretation of swath bathymetry in the Eastern Irish Sea for SellafieldLtdAppendix 3 Currents at the Sellafield Ltd Pipeline: June 2010-February 2011Appendix 4 Modelling Gamma Spectrometry Systems for use in Beach Monitoringnear SellafieldAppendix 5 Information sent to EA in support of a 150 ha beach monitoringprogramme© Nuclear Decommissioning Authority 2011. 3