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Additional info for All About History: The World’s Worst Disasters
The structure will be 190 metres (623 feet) wide and more than 100 metres (328 feet) high. Initial plans were for the NSC to be in place by 2005 but recent reports suggest this will not happen until 2015 at the earliest. A hastily-built sarcophagus has sheltered the reactor since 1986 but there are genuine and serious concerns over its effectiveness. Despite different governments pledging to help pay for the work to be completed, with the NSC currently eight years behind schedule there are those who fear that the work will never be finished and that the current sarcophagus will begin leaking dangerously high levels of radiation.
After only a minute reactor four’s roof was suddenly blown off into the air, and radiation began seeping out of it. The dozen people in the control room – including Akimov and Dyatlov – were exposed to shocking levels of radiation and five of them died soon afterwards from radiation burns. 6 roentgens per second (R/s). A lethal dose is around 500 roentgens over five hours, meaning that some workers received fatal doses in less than a minute. Unfortunately for those working in the contaminated area, a dosimeter (which measures an individual or object’s exposure to radiated energy) capable of measuring up to 1,000 R/s was buried in the rubble of a collapsed part of the building, and another one failed when turned on.
Feeding lowquality metal into the furnaces only served to create lowquality produce, meaning the workers were wasting their time. After millions of starving workers tried to produce steel rather than food, Mao was convinced to leave steel production to proper industrial facilities and skilled workers. Irrigation Thousands of starving peasants died creating ill-conceived and poorly planned irrigation projects throughout China. Mao knew the importance of irrigation to a country that had a vast amount of land and an unpredictable climate, but had expelled the Soviet engineers sent to help China establish such large projects.