10 0 RESERVED
21 1 NUCLEAR REACTOR ON GROUND
32 2 NUCLEAR REACTOR ON SEA
43 3 NUCLEAR REACTOR IN SPACE
54 4 NUCLEAR FULE FACILITY
65 5 RADIOACTIVE WASTE MANAGMENT FACITILY
76 6 TRANSPORT OF NUCLEAR FUEL OR RADIOACTIVE WASTE
87 7 STORAGE OF NUCLEAR FUEL OR RADIOACTIVE WASTE
98 8 MANUFACTURE OF RADIO-ISOTOPES
109 9 USE OF RADIO-ISOTOPES
1110 10 STORAGE OF RADIO-ISOTOPES
1211 11 DISPOSAL OF RADIO-ISOTOPS
1312 12 TRANSPORT OF RADIO-ISOTOPES
1413 13 USE OF RADIO-ISOTOPES FOR POWER GENERATION
1530 30 OTHER
1631 31 MISSING VALUE
17