Dynamic transfer of radionuclides to fish was studied in a series experiments under field condition two lakes within the Chernobyl exclusion zone during 2016–2020. “Clean” common rudd (Scardinius erythrophthalmus) and silver Prussian carp (Carassius gibelio) were transported contaminated Glubokoye Lake kept cages several months exposure, while “clean” Starukha Lake. Radiocaesium (137Cs) radiost...

Levels of radioactive contaminants in various Greenland environments have been assessed during 1999-2001. The source of 137Cs, 90Sr and (239,240)Pu in terrestrial and fresh water environments is mainly global fallout. In addition, the Chernobyl accident gave a small contribution of 137Cs. Reindeer and lamb contain the largest observed 137Cs concentrations in the terrestrial environment--up to 8...

During the accident in April 1986, Cooling Pond (CP) of Chornobyl Nuclear Power Plant (ChNPP) was heavily contaminated by fuel particles and radionuclides cesium-137 (137Cs) strontium-90 (90Sr). Starting from end 2014, a gradual decrease CP water level began leading to transformation whole reservoir into eight separate sectors raising concern fate 137Cs 90Sr future. In this study, two mathemati...

On April 26, 1986, Unit 4 of the Chernobyl Nuclear Power Plant exploded, causing the most severe disaster ever to occur in the history of domestic nuclear-power production. That explosion spread both fission products of the normal operation of the reactor and unexpended uranium fuel across a large area. In total, ~14 EBq5 radioisotopes were released from the reactor, some of the most harmful be...

The objectives of the study are to examine radiation and health physics situation in area ship repair enterprises servicing ships with nuclear power installation; assess its possible impact on environment population. Materials research methods. territory was conducted by walking gamma survey using portable spectrometric complexes MKS-01A "Multirad-gamma" MKS-AT6101C. Gamma-spectrometric radioch...

This study summarizes the 20-year efforts for dose reconstruction in tooth enamel of the Techa riverside residents exposed to ionizing radiation as a result of radionuclide releases into the river in 1949-1956. It represents the first combined analysis of all the data available on EPR dosimetry with teeth of permanent residents of the Techa riverside territory. Results of electron paramagnetic ...

In the event of a dirty bomb scenario or an industrial nuclear accident, a significant dose of volatile radionuclides such as 137Cs and 90Sr may be dispersed into the atmosphere as a component of fallout and inhaled or ingested by hundreds and thousands of people. To study the effects of prolonged exposure to ingested radionuclides, we have performed long-term (30 day) internal-emitter mouse ir...