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TABLE C1

Distribution of DE (dose equivalent) to skin (whole body) by dose interval plus collective and mean dose for year 1999

Occupational Category Dose Range (mSv) Total workers Collective dose Mean dose
0 0.1 - 10 10.1 - 50 50.1 - 100 100.1 - 150 150.1 - 200 200.1 - 300 300.1 - 500 >=500.1
Total workers 6605 7828 620 93 86 23 26 3 1 15285 59777 3.9
% in each dose interval 43.2 51.2 4.1 0.6 0.6 0.2 0.2 0 0      
Industrial radiography permanent 683 511 34 7 3 0 0 0 0 1238 2642 2.1
Industrial radiography site 844 930 93 22 9 9 1 0 0 1908 8759 4.6
Reactor operations 123 208 11 1 0 0 0 0 0 343 752 2.2
Reactor maintenance 1025 1543 56 4 4 0 14 0 0 2646 8387 3.2
Fuel fabrication 159 2069 198 3 0 0 0 0 0 2429 8229 3.4
Fuel reprocessing 21 10 3 0 0 0 0 0 0 34 125 3.7
Waste treatment 46 72 0 0 0 0 0 0 0 118 83 0.7
Radiation protection 217 254 11 2 2 1 0 0 0 487 1071 2.2
Luminising 1 0 0 0 0 0 0 0 0 1 0 0
Application + servicing 796 257 40 10 9 1 3 1 0 1117 4921 4.4
Application + manipulation 324 600 44 3 0 2 2 0 0 975 3401 3.5
Transport work 18 45 2 0 0 0 0 0 0 65 115 1.8
Offshore work 120 24 6 0 0 1 0 0 0 151 399 2.6
Onshore drilling 21 1 0 0 14 0 2 0 0 38 2245 59.1
Coal mining surface 4 1 0 0 0 0 0 0 0 5 1 0.1
Other mining underground 61 0 0 0 0 0 0 0 0 61 0 0
Other mining surface 1 0 0 0 0 0 0 0 0 1 0 0
Dental work 2 2 0 0 1 0 0 0 0 5 120 24
Veterinary work 112 49 1 6 5 4 2 0 0 179 2256 12.6
Medical - doctors 0 4 3 0 0 0 0 0 0 7 135 19.2
Medical - nurses 0 0 0 3 0 0 0 0 0 3 246 82.1
Medical radiography 22 10 1 3 1 0 0 0 0 37 348 9.4
Medical physics 18 5 0 0 0 0 0 0 0 23 7 0.3
Medical - other 21 27 0 0 0 0 0 0 0 48 47 1
Quarrying 10 4 13 1 5 0 0 0 0 33 1154 35
Academic research + teaching 117 22 1 0 0 0 1 0 0 141 254 1.8
Industrial research + teaching 72 187 3 0 0 0 0 0 0 262 229 0.9
Defence - other 1 1 0 0 0 0 0 0 0 2 0 0.1
Nuclear industrial - other 199 140 19 2 2 0 0 0 1 363 2546 7
Other industrial 395 224 11 8 13 1 0 1 0 653 3323 5.1
Others 877 333 46 16 17 4 1 1 0 1295 6426 5
Nuclear decommission 295 295 24 2 1 0 0 0 0 617 1558 2.5

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TABLE C2

Distribution of DE (dose equivalent) to lens of the eye by dose interval plus collective and mean dose for year 1999

Occupational Category Dose Range (mSv) Total workers Collective dose Mean dose
0 0.1 - 3 3.1 - 15 15.1 - 30 30.1 - 45 45.1 - 60 60.1 - 90 90.1 - 150 >=150.1
Total workers 611 2338 146 26 1 1 0 0 0 3123 2939 0.9
% in each dose interval 19.6 74.9 4.7 0.8 0 0 0 0 0      
Industrial radiography permanent 12 4 2 0 0 0 0 0 0 18 14 0.8
Industrial radiography site 30 22 5 0 0 0 0 0 0 57 57 1
Reactor operations 6 5 0 1 1 0 0 0 0 13 55 4.3
Reactor maintenance 128 84 54 1 0 0 0 0 0 267 358 1.3
Fuel fabrication 192 2091 24 0 0 0 0 0 0 2307 1442 0.6
Fuel reprocessing 3 2 0 0 0 0 0 0 0 5 1 0.2
Waste treatment 1 8 1 0 0 0 0 0 0 10 19 1.9
Radiation protection 13 3 0 0 0 0 0 0 0 16 2 0.2
Application + servicing 27 3 0 0 0 0 0 0 0 30 3 0.1
Application + manipulation 12 1 0 0 0 0 0 0 0 13 0 0
Transport work 1 0 0 0 0 0 0 0 0 1 0 0
Offshore work 0 0 0 2 0 0 0 0 0 2 35 17.7
Medical - doctors 5 1 1 0 0 1 0 0 0 8 58 7.2
Medical - nurses 3 0 0 0 0 0 0 0 0 3 0 0
Medical physics 16 0 0 0 0 0 0 0 0 16 0 0
Medical - other 4 0 0 1 0 0 0 0 0 5 18 3.5
Academic research + teaching 2 0 0 0 0 0 0 0 0 2 0 0
Industrial research + teaching 2 2 1 0 0 0 0 0 0 5 7 1.4
Nuclear industrial - other 19 12 3 14 0 0 0 0 0 48 315 6.6
Other industrial 24 12 2 0 0 0 0 0 0 38 17 0.4
Others 68 20 0 0 0 0 0 0 0 88 15 0.2
Nuclear decommission 43 68 53 7 0 0 0 0 0 171 524 3.1

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TABLE C3

Distribution of DE (dose equivalent) to left hand/forearm by dose interval plus collective and mean dose for year 1999

Occupational Category Dose Range (mSv) Total workers Collective dose Mean dose
0 0.1 - 10 10.1 - 50 50.1 - 100 100.1 - 150 150.1 - 200 200.1 - 300 300.1 - 500 >=500.1
Total workers 824 795 160 61 22 5 3 0 1 1871 15546 8.3
% in each dose interval 44 42.5 8.6 3.3 1.2 0.3 0.2 0 0.1      
Industrial radiography permanent 37 12 0 0 0 0 0 0 0 49 18 0.4
Industrial radiography site 75 34 0 0 0 0 0 0 0 109 60 0.5
Reactor operations 15 15 0 0 0 0 0 0 0 30 18 0.6
Reactor maintenance 197 268 1 0 0 0 0 0 0 466 593 1.3
Fuel fabrication 13 7 0 3 0 0 0 0 0 23 192 8.3
Fuel reprocessing 1 0 0 3 0 0 0 0 0 4 208 51.9
Waste treatment 5 12 1 0 0 0 0 0 0 18 81 4.5
Radiation protection 42 8 1 0 0 0 0 0 0 51 66 1.3
Application + servicing 133 19 10 1 0 0 0 0 0 163 281 1.7
Application + manipulation 44 143 119 34 14 3 0 0 0 357 8114 22.7
Offshore work 3 0 0 0 0 0 0 0 0 3 0 0
Veterinary work 7 0 0 0 0 0 0 0 0 7 0 0
Medical - doctors 4 0 3 1 1 0 0 0 0 9 262 29.1
Medical - nurses 3 0 0 0 0 0 0 0 0 3 0 0
Medical radiography 3 0 2 0 0 0 0 0 0 5 59 11.8
Medical physics 10 7 1 2 1 0 0 0 0 21 317 15.1
Medical - other 11 4 3 4 5 2 2 0 0 31 1731 55.9
Academic research + teaching 13 5 1 0 0 0 0 0 0 19 54 2.8
Industrial research + teaching 8 18 7 9 1 0 0 0 0 43 1018 23.7
Defence - other 1 0 0 0 0 0 0 0 0 1 0 0
Nuclear industrial - other 9 26 1 4 0 0 1 0 1 42 1874 44.6
Other industrial 31 41 4 0 0 0 0 0 0 76 181 2.4
Others 79 58 0 0 0 0 0 0 0 137 64 0.5
Nuclear decommission 80 118 6 0 0 0 0 0 0 204 356 1.7

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TABLE C4

Distribution of DE (dose equivalent) to right hand/forearm by dose interval plus collective and mean dose for year 1999

Occupational Category Dose Range (mSv) Total workers Collective dose Mean dose
0 0.1 - 10 10.1 - 50 50.1 - 100 100.1 - 150 150.1 - 200 200.1 - 300 300.1 - 500 >=500.1
Total workers 1200 832 160 71 19 3 3 1 1 2290 16243 7.1
% in each dose interval 52.4 36.3 7 3.1 0.8 0.1 0.1 0 0      
Industrial radiography permanent 56 13 0 0 0 0 0 0 0 69 20 0.3
Industrial radiography site 85 35 0 0 0 0 0 0 0 120 58 0.5
Reactor operations 17 14 0 0 0 0 0 0 0 31 22 0.7
Reactor maintenance 199 266 2 0 0 0 0 0 0 467 620 1.3
Fuel fabrication 13 7 0 3 1 0 0 0 0 24 344 14.3
Fuel reprocessing 1 0 0 7 0 0 0 0 0 8 435 54.4
Waste treatment 5 12 1 0 0 0 0 0 0 18 75 4.2
Radiation protection 92 12 1 0 0 0 0 0 0 105 60 0.6
Application + servicing 287 23 9 0 0 1 0 0 0 320 357 1.1
Application + manipulation 92 169 118 39 10 1 2 0 0 431 8281 19.2
Offshore work 3 0 0 0 0 0 0 0 0 3 0 0
Onshore drilling 1 0 0 0 0 0 0 0 0 1 0 0
Veterinary work 14 0 0 0 0 0 0 0 0 14 0 0
Medical - doctors 5 1 0 0 1 1 0 0 0 8 323 40.4
Medical - nurses 3 0 0 0 0 0 0 0 0 3 0 0
Medical radiography 3 0 2 0 0 0 0 0 0 5 50 10
Medical physics 11 6 0 3 0 0 0 0 0 20 290 14.5
Medical - other 11 4 7 7 5 0 0 1 0 35 1659 47.4
Academic research + teaching 30 10 1 0 0 0 0 0 0 41 39 0.9
Industrial research + teaching 12 20 6 7 2 0 0 0 0 47 1064 22.6
Defence - other 1 0 0 0 0 0 0 0 0 1 0 0
Nuclear industrial - other 9 25 1 4 0 0 1 0 1 41 1872 45.6
Other industrial 42 40 5 0 0 0 0 0 0 87 190 2.2
Others 129 58 0 1 0 0 0 0 0 188 121 0.6
Nuclear decommission 79 117 7 0 0 0 0 0 0 203 365 1.8

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TABLE C5

Distribution of DE (dose equivalent) to left foot/ankle by dose interval plus collective and mean dose for year 1999

Occupational Category Dose Range (mSv) Total workers Collective dose Mean dose
0 0.1 - 10 10.1 - 50 50.1 - 100 100.1 - 150 150.1 - 200 200.1 - 300 300.1 - 500 >=500.1
Total workers 266 187 0 0 0 0 0 0 0 453 500 1.1
% in each dose interval 58.7 41.3 0 0 0 0 0 0 0      
Industrial radiography permanent 6 4 0 0 0 0 0 0 0 10 14 1.4
Industrial radiography site 19 10 0 0 0 0 0 0 0 29 26 0.9
Reactor operations 4 0 0 0 0 0 0 0 0 4 0 0
Reactor maintenance 116 117 0 0 0 0 0 0 0 233 363 1.6
Fuel fabrication 1 0 0 0 0 0 0 0 0 1 0 0
Waste treatment 3 0 0 0 0 0 0 0 0 3 0 0
Radiation protection 6 1 0 0 0 0 0 0 0 7 1 0.2
Application + servicing 2 0 0 0 0 0 0 0 0 2 0 0
Application + manipulation 1 0 0 0 0 0 0 0 0 1 0 0
Industrial research + teaching 1 0 0 0 0 0 0 0 0 1 0 0
Nuclear industrial - other 6 14 0 0 0 0 0 0 0 20 27 1.3
Other industrial 10 6 0 0 0 0 0 0 0 16 8 0.5
Others 40 16 0 0 0 0 0 0 0 56 16 0.3
Nuclear decommission 51 19 0 0 0 0 0 0 0 70 45 0.6

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TABLE C6

Distribution of DE (dose equivalent) to right foot/ankle by dose interval plus collective and mean dose for year 1999

Occupational Category Dose Range (mSv) Total workers Collective dose Mean dose
0 0.1 - 10 10.1 - 50 50.1 - 100 100.1 - 150 150.1 - 200 200.1 - 300 300.1 - 500 >=500.1
Total workers 299 200 0 0 0 0 0 0 0 499 507 1
% in each dose interval 59.9 40.1 0 0 0 0 0 0 0      
Industrial radiography permanent 7 4 0 0 0 0 0 0 0 11 13 1.2
Industrial radiography site 19 10 0 0 0 0 0 0 0 29 26 0.9
Reactor operations 6 0 0 0 0 0 0 0 0 6 0 0
Reactor maintenance 115 117 0 0 0 0 0 0 0 232 365 1.6
Fuel fabrication 1 0 0 0 0 0 0 0 0 1 0 0
Waste treatment 3 0 0 0 0 0 0 0 0 3 0 0
Radiation protection 8 1 0 0 0 0 0 0 0 9 1 0.1
Application + servicing 26 0 0 0 0 0 0 0 0 26 0 0
Application + manipulation 1 0 0 0 0 0 0 0 0 1 0 0
Industrial res + teaching 1 0 0 0 0 0 0 0 0 1 0 0
Nuclear industrial - other 7 13 0 0 0 0 0 0 0 20 25 1.2
Other industrial 12 4 0 0 0 0 0 0 0 16 7 0.4
Others 41 17 0 0 0 0 0 0 0 58 17 0.3
Nuclear decommission 52 34 0 0 0 0 0 0 0 86 53 0.6

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TABLE C7

Distribution of DE (dose equivalent) + CDE (committed dose equivalent) to lung by dose interval plus collective and mean dose for year 1999

Occupational Category Dose Range (mSv) Total workers Collective dose Mean dose
0 0.1 - 10 10.1 - 50 50.1 - 100 100.1 - 150 150.1 - 200 200.1 - 300 300.1 - 500 >=500.1
Total workers 112 277 107 0 0 0 0 0 0 496 3447 6.9
% in each dose interval 22.6 55.8 21.6 0 0 0 0 0 0      
Industrial radiography permanent 5 3 5 0 0 0 0 0 0 13 107 8.2
Industrial radiography site 4 0 0 0 0 0 0 0 0 4 0 0
Reactor maintenance 16 2 0 0 0 0 0 0 0 18 7 0.4
Fuel fabrication 28 261 98 0 0 0 0 0 0 387 3221 8.3
Fuel reprocessing 0 0 1 0 0 0 0 0 0 1 23 23.2
Waste treatment 8 1 1 0 0 0 0 0 0 10 15 1.5
Radiation protection 5 3 0 0 0 0 0 0 0 8 11 1.4
Application + servicing 3 4 1 0 0 0 0 0 0 8 26 3.2
Academic research + teaching 1 0 0 0 0 0 0 0 0 1 0 0
Defence - other 1 0 0 0 0 0 0 0 0 1 0 0
Nuclear industrial - other 0 1 0 0 0 0 0 0 0 1 6 6
Other industrial 24 0 0 0 0 0 0 0 0 24 0 0
Others 7 2 1 0 0 0 0 0 0 10 32 3.2
Nuclear decommission 10 0 0 0 0 0 0 0 0 10 0 0

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TABLE C8

Distribution of DE (dose equivalent) + CDE (committed dose equivalent) to bone surface by dose interval plus collective and mean dose for year 1999

Occupational Category Dose Range (mSv) Total workers Collective dose Mean dose
0 0.1 - 10 10.1 - 50 50.1 - 100 100.1 - 150 150.1 - 200 200.1 - 300 300.1 - 500 >=500.1
Total workers 167 121 6 4 1 0 0 0 0 299 733 2.5
% in each dose interval 55.9 40.5 2 1.3 0.3 0 0 0 0      
Industrial radiography permanent 5 0 0 0 0 0 0 0 0 5 0 0
Industrial radiography site 4 0 0 0 0 0 0 0 0 4 0 0
Reactor operations 1 0 0 0 0 0 0 0 0 1 0 0
Reactor maintenance 40 3 0 0 0 0 0 0 0 43 2 0.1
Fuel reprocessing 1 0 0 0 1 0 0 0 0 2 107 53.7
Waste treatment 9 7 0 0 0 0 0 0 0 16 17 1.1
Radiation protection 3 11 0 0 0 0 0 0 0 14 8 0.6
Application + servicing 1 0 0 0 0 0 0 0 0 1 0 0
Application + manipulation 1 30 0 0 0 0 0 0 0 31 66 2.1
Academic research + teaching 1 0 0 0 0 0 0 0 0 1 0 0
Industrial research + teaching 0 1 0 2 0 0 0 0 0 3 120 39.8
Defence - other 1 0 0 0 0 0 0 0 0 1 0 0
Nuclear industrial - other 2 1 0 0 0 0 0 0 0 3 0 0
Other industrial 24 24 0 0 0 0 0 0 0 48 29 0.6
Others 44 11 0 1 0 0 0 0 0 56 77 1.4
Nuclear decommission 30 33 6 1 0 0 0 0 0 70 306 4.4

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TABLE C9

Distribution of DE (dose equivalent) + CDE (committed dose equivalent) to liver by dose interval plus collective and mean dose for year 1999

Occupational Category Dose range (mSv) Total workers Collective dose Mean dose
0 0.1 - 10 10.1 - 50 50.1 - 100 100.1 - 150 150.1 - 200 200.1 - 300 300.1 - 500 >=500.1
Total workers 71 0 0 0 0 0 0 0 0 71 0 0
% in each dose interval 100 0 0 0 0 0 0 0 0      
Industrial radiography permanent 3 0 0 0 0 0 0 0 0 3 0 0
Industrial radiography site 4 0 0 0 0 0 0 0 0 4 0 0
Reactor maintenance 11 0 0 0 0 0 0 0 0 11 0 0
Waste treatment 8 0 0 0 0 0 0 0 0 8 0 0
Radiation protection 2 0 0 0 0 0 0 0 0 2 0 0
Application + servicing 1 0 0 0 0 0 0 0 0 1 0 0
Academic research + teaching 1 0 0 0 0 0 0 0 0 1 0 0
Defence - other 1 0 0 0 0 0 0 0 0 1 0 0
Other industrial 24 0 0 0 0 0 0 0 0 24 0 0
Others 6 0 0 0 0 0 0 0 0 6 0 0
Nuclear decommission 10 0 0 0 0 0 0 0 0 10 0 0

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Number of workers per Approved Dosimetry Service (ADS) for selected year 1999

ADS Number ADS Name Number of Workers
Total Workers 41527
20 Addenbrookes Hospital 12
30 Amersham International plc 1156
40 Babcock Construction 455
60 Urenco Capenhurst 114
80 BNFL Risley 11
90 BNFL Sellafield 10508
100 BNFL Springfields 2384
120 Nuclear Electric plc 5224
130 Christie Hospital, Manchester 42
190 MOD AWE Aldermaston 1538
200 MOD, Alverstoke 1373
210 National Nuclear Corporation Ltd 1121
240 Queen Elizabeth Hospital, Birmingham 502
270 AEA Technology, Dounreay 64
300 AEA Technology, Winfrith 3983
310 University College Hospital, London 28
320 University of Salford 10
390 Royal Sussex County Hospital 3
420 Scottish Nuclear Ltd, Hunterston 544
430 Scottish Nuclear Ltd, Torness 702
490 Northern Ireland 71
500 National Radiological Protection Board (NRPB) 10205
520 Landauer Inc 1477

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Number of records by Approved Dosimetry Service (ADS) which commence and terminate in selected year 1999

ADS Number ADS Name Number of Starters Number of Leavers Number who Started & Left
Total Workers 6723 7477 1455
20 Addenbrookes Hospital 1 1 0
30 Amersham International plc 91 63 5
40 Babcock Construction 181 205 115
60 Urenco Capenhurst 13 6 1
80 BNFL Risley 0 1 0
90 BNFL Sellafield 1524 994 141
100 BNFL Springfields 263 273 40
120 Nuclear Electric plc 126 358 0
130 Christie Hospital, Manchester 10 12 1
190 MOD AWE Aldermaston 202 270 11
200 MOD, Alverstoke 114 139 7
210 National Nuclear Corporation Ltd 504 464 248
240 Queen Elizabeth Hospital, Birmingham 207 147 44
270 AEA Technology, Dounreay 29 99 29
300 AEA Technology, Winfrith 797 769 190
310 University College Hospital, London 3 3 0
320 University of Salford 0 10 0
390 Royal Sussex County Hospital 2 1 1
420 Scottish Nuclear Ltd, Hunterston 38 111 33
430 Scottish Nuclear Ltd, Torness 50 53 5
490 Northern Ireland 5 9 0
500 National Radiological Protection Board (NRPB) 2395 3125 562
520 Landauer Inc 168 364 22

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Distribution of DE (dose equivalent) + CDE (committed dose equivalent) to red bone marrow by dose interval plus collective and mean dose for year 1999

Occupational Category Dose Range (mSv) Total workers Collective dose Mean dose
0 0.1 - 10 10.1- 50 50.1 - 100 100.1 - 150 150.1 - 200 200.1 - 300 300.1 - 500 >=500.1
Total workers 80 0 0 0 0 0 0 0 0 80 0 0
% in each dose interval 100 0 0 0 0 0 0 0 0      
Industrial radiography permanent 3 0 0 0 0 0 0 0 0 3 0 0
Industrial radiography site 6 0 0 0 0 0 0 0 0 6 0 0
Reactor maintenance 11 0 0 0 0 0 0 0 0 11 0 0
Waste treatment 8 0 0 0 0 0 0 0 0 8 0 0
Radiation protection 2 0 0 0 0 0 0 0 0 2 0 0
Application + servicing 2 0 0 0 0 0 0 0 0 2 0 0
Academic research + teaching 1 0 0 0 0 0 0 0 0 1 0 0
Defence - other 1 0 0 0 0 0 0 0 0 1 0 0
Other industrial 25 0 0 0 0 0 0 0 0 25 0 0
Others 6 0 0 0 0 0 0 0 0 6 0 0
Nuclear decommission 15 0 0 0 0 0 0 0 0 15 0 0

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Distribution of DE (dose equivalent) + CDE (committed dose equivalent) to gonads by dose interval plus collective and mean dose for year 1999

Occupational Category Dose Range (mSv) Total workers Collective dose Mean dose
0 0.1 - 10 10.1 - 50 50.1 - 100 100.1 - 150 150.1 - 200 200.1 - 300 300.1 - 500 >=500.1
% in each dose interval 75 25 0 0 0 0 0 0 0      
Reactor maintenance 1 0 0 0 0 0 0 0 0 1 0 0
Others 1 1 0 0 0 0 0 0 0 2 0 0.1
Nuclear decommission 1 0 0 0 0 0 0 0 0 1 0 0
Total workers 3 1 0 0 0 0 0 0 0 4 0 0

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Distribution of DE (dose equivalent) + CDE (committed dose equivalent) to thyroid by dose interval plus collective and mean dose for year 1999

Occupational Category Dose Range (mSv) Total workers Collective dose Mean dose
0 0.1 - 10 10.1 - 50 50.1 - 100 100.1 - 150 150.1 - 200 200.1 - 300 300.1 - 500 >=500.1
Total workers 42 0 0 0 0 0 0 0 0 42 0 0
% in each dose interval 100 0 0 0 0 0 0 0 0      
Application + servicing 8 0 0 0 0 0 0 0 0 8 0 0
Application + manipulation 5 0 0 0 0 0 0 0 0 5 0 0
Medical - doctors 5 0 0 0 0 0 0 0 0 5 0 0
Medical - nurses 3 0 0 0 0 0 0 0 0 3 0 0
Medical physics 16 0 0 0 0 0 0 0 0 16 0 0
Medical - other 4 0 0 0 0 0 0 0 0 4 0 0
Other industrial 1 0 0 0 0 0 0 0 0 1 0 0