 During a nuclear accident there, Dyatlov received a radiation dose of 200 rem (2.0 Sv), a dose which typically causes mild radiation sickness, vomiting, diarrhea, fatigue and reduction in resistance to infections.In 1973, he moved to Pripyat, Ukrainian Soviet Socialist Republic, to work at the newly constructed Chernobyl Nuclear Power Plant.His fourteen-year experience working on naval reactors in the Soviet Far East made Dyatlov one of the three most senior managers at the Chernobyl station.