French Department: Ruthenium leak could happen in Russia
The source of the ruthenium-106 leak, whose concentration is recorded in the atmosphere over the European countries, is probably located between the Urals and the Volga, the representative from the Institute for Radiological Protection and Nuclear Safety (IRSN, France).
According to the official announcement, the institute has created a map of the most likely points of leakage of radioactive material. The map is based on the testimony of monitoring stations in Europe and information from meteorologists on the movement of air masses. The scientists from the IRSN believe that the most probable territory is between the Ural and the Volga. Besides, there are also some areas of Kazakhstan on the map.
According to the IRSN release, the radiation activity in the leak territory was at a high level. There would require measures to protect the population within a radius of several kilometers in the case of a similar leak in France. The incident was in late September.
The isotope concentrations were detected in early October in the atmosphere over France, Romania, Italy and a number of other countries. The level of pollution did not pose a threat to the population.
The concentration of the isotope have decreased since the October, 6. Now stations do not fix radioactive material in the atmosphere.
The IRSN and the International Atomic Energy Agency (IAEA) representatives stated that the source of the leakage was not a Nuclear Power Plant. Because there were no other isotopes detected in the atmosphere. The leak was probably at an enterprise handling fuel for Nuclear Power Plants or with radioactive medical materials. German Department stated that according to their calculations, the source of the leak is south of the Urals.
A slight increase in the isotope concentration was recorded only in St. Petersburg, the ROSATOM representative explained. The increase of concentration in St. Petersburg – 115.4 μBq / m3 is non-comparable to the concentrations recorded in European countries. The concentration In Romania was 145,000 μBq / m3, and 54,300 μBq / m3 in Italy.
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