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To be fair, the show over dramatized the KGB angle. But yes, the Soviets knew RBMKs were not the safest design, reactor 4 was built violating safety standards, operators for the test were not properly trained and then safety procedures were ignored during the test. The official incident report is a fascinating read, and should be mandatory reading for everyone studying with goal of having the word engineer in his future job title. Edit: That should be the one https://www-pub.iaea.org/MTCD/publications/PDF/Pub913e_web.p... You also have this one: https://www.nrc.gov/docs/ML0716/ML071690245.pdf Edit 2: What with regards to the effect of graphite tipped control rods was, IMHO, as bad as having a dramatic KGB effort to keep it secret: it was forgotten. In 1983, there was an incident in an other RBMK reactor, the HBO series claims the KGB kept it secret, in reality this happened (from the INSAG-7 report and the cited USSR investigative reports): >> The SCSSINP Commission (Annex I, Section 1-3.8) reports that, after discov-
ery of the positive scram effect at Ignalina in 1983, the chief engineering organiza-
tion informed other organizations and all nuclear power plants with RBMK reactors
that it intended to impose restrictions on the complete withdrawal of control and
safety rods from the core. Such restrictions were never imposed and apparently the
matter was forgotten. That means in the fact it coupd explode was known, but ignored. Ignored by everyone in the Soviet scientific establishment and nuclear authorities. I don't what's worse, a secret police intervention or a whole science and industry community ignoring safety concerns until it is too late. |
“Whole .. community” is a stretch here.
Keep in mind that information spread is different in ussr. Kgb had people recruited from all over the place (from factory workers to politicians; 0.1% of population were in kgb). Also, lot of institutions had party representative present (officially, not hidden).
Press did not report accidents or significantly under-report casualties, and of course various good metrics were inflated a lot, even to comical levels.
In this environment, somebody using his influence in kgb or party to stop certain restrictions (because they would point to design flaw and would delay stuff) is very believable, and probably common.
Conspiracy in ussr != conspiracy in us.