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Which one is 3.6 roentgen, which is not great, not terrible?

3.6R is about 37mSv. So the bottom left one, "ten minutes next to the Chernobyl reactor core at the time of the meltdown", also the top right "maximum yearly dose permitted for a radiation worker" is 50mSv too - I guess the show did its research.

The "ten minutes next to Chernobyl reactor core at the time of meltdown" is 50 Sv, not 50mSv.

3.6R was measured by the small dosimeters on site (and also happens to be their maximum read value). The bigger dosimeters didn't work or also maxed out and the person in charge didn't believe it.

The show mentions a 1500R value later on but outside the reactor building.

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