Radiological Habits Survey Rosyth 2015 Public Report Report Date: October 2016 Radiological Habits Survey: Rosyth 2015 Authors and Contributors: A. Tyler, A. Watterson, I. Dale, L. Evans, A. Varley, V. Peredo-Alverez, D. Copplestone, S. Bradley, B. Shaw, P. Smith, M. Clarke, P. Bartie and P. Hunter 1 Environmental Radioactivity Laboratory & Occupational and Environmental Health Contents Summary .............................................................................................................................. 5 List of abbreviations .............................................................................................................. 9 Units ..................................................................................................................................... 9 1 Introduction.................................................................................................................. 10 1.1 Regulatory Context ............................................................................................... 10 1.2 Definition of the Representative Person................................................................ 10 1.3 Dose Limits and Constraints ................................................................................. 11 1.4 Survey Aim ........................................................................................................... 11 2 Rosyth Survey Area..................................................................................................... 13 2.1 Rosyth Site Location and History .......................................................................... 13 2.1.1 Current Activity .............................................................................................. 13 2.1.2 Changes since 2010...................................................................................... 15 2.2 Estimated Activity Concentrations from Licensed Discharges from Rosyth. .......... 16 2.3 Survey Area.......................................................................................................... 17 2.4 Land Cover Data................................................................................................... 19 2.5 Soil Data............................................................................................................... 20 2.6 Crop Production.................................................................................................... 20 3 Methods....................................................................................................................... 23 3.1 Introduction........................................................................................................... 23 3.2 Postal Survey........................................................................................................ 23 3.3 Radiometric Surveys............................................................................................. 26 3.3.1 In Situ Dosimetry ........................................................................................... 26 3.3.2 Beta Dosimetry .............................................................................................. 27 3.3.3 Sampling........................................................................................................ 27 3.3 GPS Tracking ....................................................................................................... 27 3.4 Conduct of the Survey .......................................................................................... 27 3.5 Meetings, Informal Contacts and Focus Groups ................................................... 28 3.6 Data Conversion................................................................................................... 29 3.7 Data Rounding and Grouping ............................................................................... 29 3.8 Qualitative and Quantitative Observation.............................................................. 31 3.9 Dose Assessment Tool......................................................................................... 31 4 Survey Site Introduction............................................................................................... 33 4.1 Introduction........................................................................................................... 33 4.2 Survey Area Descriptions...................................................................................... 33 4.3 Site Descriptions for the Firth of Forth Northern Shore.......................................... 33 1 4.3.1 Kincardine...................................................................................................... 33 4.3.2 Culross .......................................................................................................... 34 4.3.3 Preston Island, Torry Bay and Crombie Point ................................................ 35 4.3.4 Charlestown................................................................................................... 37 4.3.5 Limekilns........................................................................................................ 38 4.3.6 Rosyth ........................................................................................................... 39 4.3.7 North Queensferry ......................................................................................... 40 4.3.8 Inverkeithing .................................................................................................. 41 4.3.9 St David’s Harbour and Dalgety Bay.............................................................. 42 4.3.10 Aberdour........................................................................................................ 44 4.3.11 Silversands .................................................................................................... 45 4.3.12 Burntisland..................................................................................................... 46 4.3.13 Kinghorn Harbour Beach and Pettycur........................................................... 48 4.4 Site Descriptions for the Firth of Forth Southern Shore......................................... 50 4.4.1 Bo’ness.......................................................................................................... 50 4.4.2 Carriden......................................................................................................... 51 4.4.3 Blackness ...................................................................................................... 52 4.4.4 Society Point.................................................................................................. 53 4.4.5 Port Edgar and South Queensferry................................................................ 54 4.4.6 Hound Point................................................................................................... 55 4.4.7 Cramond........................................................................................................ 56 4.4.8 Granton.......................................................................................................... 57 4.4.9 Newhaven...................................................................................................... 58 5 Aquatic Radiation Pathways ........................................................................................ 59 5.1 Introduction........................................................................................................... 59 5.2 Postal Survey Results........................................................................................... 59 5.2.1 Internal exposure........................................................................................... 61 5.2.2 External Exposure ......................................................................................... 62 5.3 Commercial fisheries ............................................................................................ 63 5.4 Seafood operations............................................................................................... 63 5.5 Fishing and Angling .............................................................................................. 64 5.6 Wildfowling ........................................................................................................... 64 5.7 Pleasure Craft using the Firth of Forth .................................................................. 65 5.8 Other Pathways .................................................................................................... 66 5.8.1 Wild Swimmers.............................................................................................. 66 5.8.2 Rowing........................................................................................................... 67 5.8.3 Professional Dog Walkers.............................................................................. 67 2 5.8.4 Ramblers ....................................................................................................... 67 5.8.5 Animals Grazing ............................................................................................ 67 5.8.6 Bridge Building............................................................................................... 68 5.9 Internal Exposure.................................................................................................. 68 5.9.1 Adults’ Consumption Rates...........................................................................