History Of Chernobyl #58
S3 Podcast
English - June 16, 2021 13:00 - 52 minutes - 48.9 MBPersonal Journals Society & Culture Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
On 26 April 1986, one of the reactors at the Chernobyl Nuclear Power Plant exploded after unsanctioned experiments on the reactor by plant operators were done improperly. The resulting loss of control was due to design flaws of the RBMK reactor, which made it unstable when operated at low power, and prone to thermal runaway where increases in temperature increase reactor power output.[24][25]
Chernobyl city was evacuated nine days after the disaster. The level of contamination with caesium-137 was around 555 kBq/m2 (surface ground deposition in 1986).[26][27]
Later analyses concluded that, even with very conservative estimates, relocation of the city (or of any area below 1500 kBq/m2) could not be justified on the grounds of radiological health.[28][29][30] This however does not account for the uncertainty in the first few days of the accident about further depositions and weather patterns. Moreover, an earlier short-term evacuation could have averted more significant doses from short-lived isotope radiation (specifically iodine-131, which has a half-life of about eight days). Estimates of health effects are a subject of some controversy, see Effects of the Chernobyl disaster.
Read About the Chernobyl Disaster
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