Table 18.4 - Summary data on the scale of contamination of world oceans by radioactive wastes from former USSR territory, 196190
Source: Yablokov et al, 1993
Source of contamination | Location and date | Suspected total activity (TBq)* |
---|---|---|
LRW from Navy and Murmansk | North Atlantic Ocean | About 925 |
Maritime Shipping Line | Northwest Pacific Ocean 19591991 | Over 450 |
SRW from Navy and Murmansk | Same | About 11 100 |
Maritime Shipping Line, including sunken reactors |   | (experts estimate not over 92500) |
Sunken nuclear submarines | Atlantic and Pacific oceans | Under 24 000 |
Lost NWHs, RTGs, satellites, etc. | Atlantic, Indian and Pacific oceans | Many tens of thousands |
Discharge of radioactive waste from Yenisey and Ob Rivers | Arctic seas | Many tens of thousands |
Total | All the world's oceans | Not over 370 000 |
Notes: *Terabecquerels (1012 Bq) at time of disposal