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TABLE A1

Distribution of EDE + CEDE by dose interval plus collective and mean dose for year 1997
(notional dose included)

Occupational category Dose range (mSv) Total workers Coll dose Mean dose
0.0 0.1 1.1 5.1 10.1 15.1 20.1 30.1 50.1
0.0 1.0 5.0 10.0 15.0 20.0 30.0 50.0  
Industrial radiography - permanent 761 422 121 26 9 3 7 1 0 1350 986 0.7
Industrial radiography - site 1073 861 335 64 23 7 5 1 2* 2371 11692.0 4.9
Reactor operations 823 2229 671 241 7 0 0 0 0 3971 4085 1.0
Reactor maintenance 3395 3736 1020 218 37 0 0 1 0 8407 5572 0.7
Fuel fabrication 324 1765 731 24 2 0 0 0 0 2846 2379 0.8
Fuel reprocessing 207 2744 1055 192 32 1 0 1 0 4232 5441 1.3
Waste treatment 160 878 246 6 5 0 0 0 0 1295 966 0.7
Radiation protection 362 1198 334 64 2 0 0 0 0 1960 1671 0.9
Luminising 0 1 0 0 0 0 0 0 0 1 0.0 0.3
Application + servicing 1052 293 99 28 14 2 8 5 1 1502 1188 0.8
Application + manipulation 842 508 213 57 1 1 1 0 0 1623 1152 0.7
Transport work 23 80 20 8 1 0 0 0 0 132 157 1.2
Offshore work 421 355 66 8 9 0 0 0 0 859 455 0.5
Onshore drilling 50 6 3 5 8 0 3 0 0 75 220 2.9
Coal mining surface 3 1 0 0 0 0 0 0 0 4 0 0.1
Other mining underground 1 5 28 34 86 44 10 0 0 208 2431 11.7
Other mining surface 1 2 0 0 0 0 0 0 0 3 0 0.1
Dental work 4 0 1 0 1 0 0 0 0 6 14 2.4
Veterinary work 126 56 5 9 4 0 3 2 0 205 287 1.4
Medical - doctors 7 26 5 1 0 0 0 0 0 39 35 0.9
Medical - nurses 3 2 3 1 0 0 0 0 0 9 24 2.6
Medical radiography 27 18 1 1 10 1 0 0 0 58 147 2.5
Medical physics 11 6 8 2 0 0 0 0 0 27 52 1.9
Medical - other 60 28 12 1 0 0 0 0 0 101 47 0.5
Quarrying 5 1 0 0 0 0 0 0 0 6 0 0.0
Academic research + teaching 681 155 9 8 0 0 0 6 0 859 308 0.4
Industrial research + teaching 397 984 85 1 0 1 0 0 0 1468 528 0.4
Defence - other 3 0 0 0 0 0 0 0 0 3 0 0.0
Nuclear industrial - other 1036 2562 552 212 33 0 0 0 0 4395 4168 0.9
Other industrial 857 974 134 18 9 1 3 0 0 1996 1010 0.5
Others 1440 1153 119 26 20 2 10 0 0 2770 1320 0.5
Nuclear decommissioning 363 363 112 32 6 0 1 0 0 877 732 0.8
Total workers 14518 21412 5988 1287 319 63 51 17 3 43658 47070 1.1
% in each dose interval 33.3 49.0 13.7 2.9 0.7 0.1 0.1 0.0 0.0      

* This figure includes an incorrect reported dose which exceeded 1 Sievert. HSE has now approved a special entry to replace that incorrect dose.

TABLE A2

Distribution of EDE + CEDE by dose interval plus collective and mean dose for year 1997
(pro-rata substitution for notional dose)

Occupational category Dose range (mSv) Total workers Coll dose Meandose
0.0 0.1 1.1 5.1 10.1 15.1 20.1 30.1 50.1
0.0 1.0 5.0 10.0 15.0 20.0 30.0 50.0  
Industrial radiography - permanent 794 446 91 13 3 1 2 0 0 1350 500 0.4
Industrial radiography - site 1141 922 243 43 12 4 4 0 2* 2371 10946 4.6
Reactor operations 825 2230 672 237 7 0 0 0 0 3971 4051 1.0
Reactor maintenance 3454 3782 960 206 5 0 0 0 0 8407 4832 0.6
Fuel fabrication 324 1765 732 23 2 0 0 0 0 2846 2372 0.8
Fuel reprocessing 244 2747 1026 182 31 1 0 1 0 4232 5263 1.2
Waste treatment 181 878 231 5 0 0 0 0 0 1295 874 0.7
Radiation protection 379 1204 318 58 1 0 0 0 0 1960 1559 0.8
Luminising 0 1 0 0 0 0 0 0 0 1 0 0.3
Application + servicing 1138 308 43 12 0 1 0 0 0 1502 274 0.2
Application + manipulation 851 515 200 54 1 1 1 0 0 1623 1076 0.7
Transport work 24 80 19 8 1 0 0 0 0 132 151 1.1
Offshore work 434 364 57 2 2 0 0 0 0 859 287 0.3
Onshore drilling 67 6 2 0 0 0 0 0 0 75 4 0.1
Coal mining surface 3 1 0 0 0 0 0 0 0 4 0 0.1
Other mining underground 1 5 29 34 85 44 10 0 0 208 2423 11.7
Other mining surface 1 2 0 0 0 0 0 0 0 3 0 0.1
Dental work 5 0 1 0 0 0 0 0 0 6 2 0.3
Veterinary work 142 61 2 0 0 0 0 0 0 205 16 0.1
Medical - doctors 8 27 4 0 0 0 0 0 0 39 22 0.6
Medical - nurses 3 5 1 0 0 0 0 0 0 9 3 0.4
Medical radiography 39 18 1 0 0 0 0 0 0 58 11 0.2
Medical physics 17 9 1 0 0 0 0 0 0 27 7 0.2
Medical - other 60 29 12 0 0 0 0 0 0 101 40 0.4
Quarrying 5 1 0 0 0 0 0 0 0 6 0 0.0
Academic research + teaching 690 155 8 6 0 0 0 0 0 859 91 0.1
Industrial research + teaching 398 984 85 0 0 1 0 0 0 1468 520 0.4
Defence - other 3 0 0 0 0 0 0 0 0 3 0 0.0
Nuclear industrial - other 1065 2573 533 198 26 0 0 0 0 4395 3857 0.9
Other industrial 895 977 114 8 0 0 2 0 0 1996 709 0.4
Others 1502 1166 94 7 1 0 0 0 0 2770 561 0.2
Nuclear decommissioning 381 365 106 23 1 0 1 0 0 877 577 0.7
Total workers 15074 21626 5585 1119 178 53 20 1 2 43658 41028 0.9
% in each dose interval 34.5 49.5 12.8 2.6 0.4 0.1 0.0 0.0 0.0      

* This figure includes an incorrect reported dose which exceeded 1 Sievert. HSE has now approved a special entry to replace that incorrect dose.

TABLE A3

Distribution of EDE from neutron by dose interval plus collective and mean dose for year 1997

Occupational category Dose range (mSv) Total workers Coll dose Meandose
0.0 0.1 1.1 5.1 10.1 15.1 20.1 30.1 50.1
0.0 1.0 5.0 10.0 15.0 20.0 30.0 50.0  
Industrial radiography - permanent 13 0 0 0 0 0 0 0 0 13 0 0.0
Industrial radiography - site 286 30 3 0 0 0 0 0 0 319 17 0.1
Reactor operations 2781 42 0 0 0 0 0 0 0 2823 8 0.0
Reactor maintenance 2479 66 1 0 0 0 0 0 0 2546 16 0.0
Fuel fabrication 58 6 2 0 0 0 0 0 0 66 6 0.1
Fuel reprocessing 4015 103 64 0 0 0 0 0 0 4182 162 0.0
Waste treatment 1104 5 2 0 0 0 0 0 0 1111 4 0.0
Radiation protection 1412 32 7 0 0 0 0 0 0 1451 21 0.0
Application + servicing 286 10 0 0 0 0 0 0 0 296 3 0.0
Application + manipulation 205 15 5 1 0 0 0 0 0 226 25 0.1
Transport work 72 1 0 0 0 0 0 0 0 73 1 0.0
Offshore work 556 23 1 1 0 0 0 0 0 581 16 0.0
Onshore drilling 19 2 2 0 0 0 0 0 0 23 3 0.1
Coal mining surface 1 1 0 0 0 0 0 0 0 2 0 0.1
Other mining surface 3 0 0 0 0 0 0 0 0 3 0 0.0
Medical - doctors 31 0 0 0 0 0 0 0 0 31 0 0.0
Medical - nurses 7 0 0 0 0 0 0 0 0 7 0 0.0
Medical physics 17 0 0 0 0 0 0 0 0 17 0 0.0
Medical - other 7 0 0 0 0 0 0 0 0 7 0 0.0
Quarrying 3 1 0 0 0 0 0 0 0 4 0 0.1
Academic research + teaching 204 1 0 0 0 0 0 0 0 205 0 0.0
Industrial research + teaching 383 33 16 0 0 0 0 0 0 432 37 0.1
Nuclear industrial - other 4233 15 11 0 0 0 0 0 0 4259 33 0.0
Other industrial 788 35 3 0 0 0 0 0 0 826 18 0.0
Others 1288 16 5 0 0 0 0 0 0 1309 17 0.0
Nuclear decommissioning 282 1 1 0 0 0 0 0 0 284 3 0.0
Total workers 20533 438 123 2 0 0 0 0 0 21096 390 0.0
% in each dose interval 97.3 2.1 0.6 0.0 0.0 0.0 0.0 0.0 0.0      

TABLE A4

Distribution of CEDE from radon by dose interval plus collective and mean dose for year 1997

Occupational category Dose range (mSv) Total workers Coll dose Meandose
0.0 0.1 1.1 5.1 10.1 15.1 20.1 30.1 50.1
0.0 1.0 5.0 10.0 15.0 20.0 30.0 50.0  
Radiation protection 1 0 0 0 0 0 0 0 0 1 0 0.0
Application + manipulation 0 0 0 0 0 1 1 0 0 2 36 18.1
Other mining underground 1 5 28 34 86 44 10 0 0 208 2431 11.7
Others 1 0 0 0 0 0 0 0 0 1 0 0.0
Total workers 3 5 28 34 86 45 11 0 0 212 2467 11.6
% in each dose interval 1.4 2.4 13.2 16.0 40.6 21.2 5.2 0.0 0.0      

TABLE A5

Distribution of CEDE by dose interval plus collective and mean dose for year 1997

Occupational category Dose range (mSv) Total workers Coll dose Mean dose
0.0 0.1 1.1 5.1 10.1 15.1 20.1 30.1 50.1
0.0 1.0 5.0 10.0 15.0 20.0 30.0 50.0  
Industrial radiography - permanent 6 3 1 0 0 0 0 0 0 10 2 0.2
Industrial radiography - site 19 9 0 0 0 0 0 0 0 28 2 0.1
Reactor operations 36 6 1 0 0 0 0 0 0 43 5 0.1
Reactor maintenance 418 200 24 0 0 0 0 0 0 642 106 0.2
Fuel fabrication 42 26 59 0 0 0 0 0 0 127 115 0.9
Fuel reprocessing 20 115 1 0 0 0 0 0 0 136 29 0.2
Waste treatment 75 123 5 0 0 0 0 0 0 203 38 0.2
Radiation protection 120 149 1 0 0 0 0 0 0 270 41 0.2
Application + servicing 22 4 2 0 0 0 0 0 0 28 5 0.2
Application + manipulation 124 125 11 1 0 0 0 0 0 261 54 0.2
Transport work 2 6 0 0 0 0 0 0 0 8 1 0.2
Offshore work 0 1 0 0 0 0 0 0 0 1 0 0.1
Medical - nurses 1 0 0 0 0 0 0 0 0 1 0 0.0
Medical - other 3 0 0 0 0 0 0 0 0 3 0 0.0
Academic research + teaching 26 1 0 0 0 0 0 0 0 27 0 0.0
Industrial research + teaching 372 424 0 0 0 0 0 0 0 796 101 0.1
Defence - other 1 0 0 0 0 0 0 0 0 1 0 0.0
Nuclear industrial - other 794 54 1 0 0 0 0 0 0 849 14 0.0
Other industrial 250 234 1 0 0 0 0 0 0 485 49 0.1
Others 662 241 5 0 0 0 0 0 0 908 70 0.1
Nuclear decommissioning 177 23 1 0 0 1 0 0 0 202 24 0.1
Total workers 3170 1744 113 1 0 1 0 0 0 5029 655 0.1
% in each dose interval 63.0 34.7 2.2 0.0 0.0 0.0 0.0 0.0 0.0      

TABLE A6

Distribution of male workers above 15 mSv by age for year 1997

Occupational category Age group (years) Number of workers over all age groups
0 15 20 25 30 35 40 45 50 55 60 65
15 20 25 30 35 40 45 50 55 60 65  
Industrial radiography - permanent 0 0 0 1 0 0 1 1 0 0 0 0 3
Industrial radiography - site 0 0 1 1 3 0 3 2 0 0 0 0 10
Reactor operations 0 0 0 0 0 0 0 0 0 0 0 0 0
Reactor maintenance 0 0 0 0 0 0 0 0 0 0 0 0 0
Fuel fabrication 0 0 0 0 0 0 0 0 0 0 0 0 0
Fuel reprocessing 0 0 0 0 0 0 0 0 0 2 0 0 2
Waste treatment 0 0 0 0 0 0 0 0 0 0 0 0 0
Radiation protection 0 0 0 0 0 0 0 0 0 0 0 0 0
Luminising 0 0 0 0 0 0 0 0 0 0 0 0 0
Application + servicing 0 0 0 0 0 0 1 0 0 0 0 0 1
Application + manipulation 0 0 0 0 0 0 2 0 0 0 0 0 2
Transport work 0 0 0 0 0 0 0 0 0 0 0 0 0
Offshore work 0 0 0 0 0 0 0 0 0 0 0 0 0
Onshore drilling 0 0 0 0 0 0 0 0 0 0 0 0 0
Coal mining surface 0 0 0 0 0 0 0 0 0 0 0 0 0
Other mining underground 0 0 3 4 7 6 10 6 16 1 1 0 54
Other mining surface 0 0 0 0 0 0 0 0 0 0 0 0 0
Dental work 0 0 0 0 0 0 0 0 0 0 0 0 0
Veterinary work 0 0 0 0 0 0 0 0 0 0 0 0 0
Medical - doctors 0 0 0 0 0 0 0 0 0 0 0 0 0
Medical - nurses 0 0 0 0 0 0 0 0 0 0 0 0 0
Medical radiography 0 0 0 0 0 0 0 0 0 0 0 0 0
Medical physics 0 0 0 0 0 0 0 0 0 0 0 0 0
Medical - other 0 0 0 0 0 0 0 0 0 0 0 0 0
Quarrying 0 0 0 0 0 0 0 0 0 0 0 0 0
Academic research + teaching 0 0 0 0 0 0 0 0 0 0 0 0 0
Industrial research + teaching 0 0 0 0 0 0 0 1 0 0 0 0 1
Defence - other 0 0 0 0 0 0 0 0 0 0 0 0 0
Nuclear industrial - other 0 0 0 0 0 0 0 0 0 0 0 0 0
Other industrial 0 0 0 0 0 0 0 1 1 0 0 0 2
Others 0 0 0 0 0 0 0 0 0 0 0 0 0
Nuclear decommissioning 0 0 0 0 0 0 0 1 0 0 0 0 1
Totals all workers 0 0 4 6 10 6 17 12 17 3 1 0 76
No female workers were above 15 mSv in 1997

TABLE A7

Summary of mean dose (EDE + CEDE) distribution by work for year 1997

Occupational category All workers Complete years
Number Mean dose Number Mean dose
Industrial radiography - permanent 1350 0.4 1189 0.4
Industrial radiography - site 2371 4.6 1919 5.6
Reactor operations 3971 1.0 3479 1.1
Reactor maintenance 8407 0.6 7080 0.6
Fuel fabrication 2846 0.8 2397 0.9
Fuel reprocessing 4232 1.2 3853 1.3
Waste treatment 1295 0.7 1191 0.7
Radiation protection 1960 0.8 1800 0.8
Luminising 1 0.3 1 0.3
Application + servicing 1502 0.2 1311 0.2
Application + manipulation 1623 0.7 1437 0.7
Transport work 132 1.1 119 1.2
Offshore work 859 0.3 650 0.3
Onshore drilling 75 0.1 70 0.1
Coal mining surface 4 0.1 4 0.1
Other mining underground 208 11.7 64 9.9
Other mining surface 3 0.1 3 0.1
Dental work 6 0.3 3 0.0
Veterinary work 205 0.1 177 0.1
Medical - doctors 39 0.6 27 0.6
Medical - nurses 9 0.4 5 0.4
Medical radiography 58 0.2 52 0.2
Medical physics 27 0.2 25 0.3
Medical - other 101 0.4 75 0.4
Quarrying 6 0.0 3 0.1
Academic research + teaching 859 0.1 705 0.1
Industrial research + teaching 1468 0.4 1206 0.4
Defence - other 3 0.0 3 0.0
Nuclear industrial - other 4395 0.9 3394 0.9
Other industrial 1996 0.4 1600 0.4
Others 2770 0.2 2148 0.2
Nuclear decommissioning 877 0.7 683 0.8
Total all workers 43658 0.9 36673 1.0