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@lillymunster, lol, probably! And complete with new-fangled computers and phones! ;)

@Peter, so would do this for each country: divide avg c umulative dose / avg length of employment. Then find the avg of all those averages?

@lillymunster, 3000 nSv = 3 µSv, which is approx 30x background for most locations close to sea level, like most of Japan. It's unusually high.

Ah! Fixed. :)

@Ian , in this case the medians represent the groups best. The means are lifted up because of a few people with extraordinary high doses that do not represent what most people accumulated. And, yes, the medians are low because only few people work exposed with highly radioactive material, accumulating the high doses. Using my analogy from before, only few guys mix the mox. Many more deal with low level waste.

@Peter, thanks for your help Peter! Is this significant or what? I've spent weeks scouring for studies and data and have found much, but this strikes me as the single most potent factoid contrary to the view that 20 mSv/y might be safe.

What's particularly important about this data is that the nuclear worker exposures are slow dose rates, whereas the National Academy of Sciences risk model is based mostly on the fast-dose exposure of atom-bomb survivors. So nuclear workers are a far better model of low-dose regional contamination.

European Iodine 131 Detections Indicative of Atmospheric Plutonium 239 Concentrations. Nov 14.2011 VIDEO=The Aurora Borealis' New Nuclear Sheen. pissinontheroses.blogspot.com

A team of international researchers has found that levels of radioactive material in farmland in parts of northeastern Japan exceed safety standards.

The study, published in the Proceedings of the National Academy of Sciences journal, found that Fukushima prefecture was “highly contaminated” after the Fukushima Daiichi nuclear power plant was damaged in the March 11 earthquake and tsunami.

The level of radioactive material found in neighboring prefectures, such as Miyagi, Tochigi and Ibaraki, was lower but could still pose a threat to food production in some areas, the researchers said.
latimesblogs.latimes.com

Calculate Your Radiation Dose www.epa.gov

Nuclear Power in Czech Republic Information www.world-nuclear.org

Crowd-sourced geiger counter readings radiocial.org

Scientists have been able to estimate the amounts of radioactive fuel blown into the atmosphere and into the remains of the Unit No. 4, but they leave about 10 to 50 tons of reactor fuel unaccounted for. Three different scenarios have been raised to attempt to explain this mystery:


some or all of the missing fuel may have been released in the explosion
the missing fuel may have been spewed out in the fire that occurred after the explosion
or perhaps the missing fuel is buried deep under the rubble in the reactor, yet to be discovered
"Finding the missing fuel is an extremely important question for us - the nuclear safety of the [reactor] depends on it," says Edward Pazukhin, head of the ISTC's department of nuclear safety. Pazukhin says this because a growing pool of water in the bowels of the reactor may cause the remaining fuel to go critical.
library.thinkquest.org