Fuel was loaded into Kalinin 3 on 2 October, marking the initial start-up of the unit. Meanwhile, an upgrade to Kursk 2, a first-generation RBMK, has enabled it to operate without the 70% power restrictions imposed by the Soviet government in 1990 over international safety concerns.

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The symptoms of radiation exposure are all present in other disorders that doctors are familiar with and treat on a daily basis

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The greatest medical risk from a radiation accident occurs from 48 hours to two or three weeks after the event


Major radiation accidents