Around 2,000 Fukushima Workers At Risk of Thyroid Cancer
mdsolar writes "Around 2,000 people who have worked at Japan's wrecked Fukushima nuclear plant face a heightened risk of thyroid cancer, its operator said Friday. Tokyo Electric Power (TEPCO) said 1,973 people — around 10 percent of those employed in emergency crews involved in the clean-up since the meltdowns — were believed to have been exposed to enough radiation to cause potential problems. The figure is a 10-fold increase on TEPCO's previous estimate of the number of possible thyroid cancer victims and comes after the utility was told its figures were too conservative. Each worker in this group was exposed to at least 100 millisieverts of radiation, projections show."
If you keep profit out of the equation. But with 30 year life cycles I don't know how to do that. Sooner or later someone is going to clamor to privatize it and make it more 'efficient'. And if the plant owner doesn't live anywhere near the potential disaster, and there are no consequences for him whatsoever, why wouldn't he just cut corners? Anyone have any ideas?
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I'm in Quebec, a corrupt backwater third-world banana republic, but even we managed to distribute iodine tablets to citizens around our only working nuclear reactor.
were believed to have been exposed to enough radiation to cause potential problems. The figure is a 10-fold increase on TEPCO's previous estimate
Well, yeah. The original estimates were made during a crisis situation and based on limited data. Let's all act shocked now that more comprehensive data is available and the estimate has been revised by an order of magnitude. And yet people act shocked when they take their car into the mechanic for a "strange noise" and demand a quote on the spot, then get irritated when the number goes up because "strange noise" turned out to be something more serious than a loose fitting.
Sigh. This isn't exactly news. We knew that as time went on and more eyeballs were put on Fukushima we were going to find more problems, and more accurate data. That's nothing more than the result of an application of scientific process... it's been doing the same thing the world over for thousands of years.
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I don't want to talk about risk etc. but can we please get accurate statistics on this one? Because the risk that it is possible that radiation can cause thyriod cancer is good to know, but I am interested how many workers in Fukushima actually got or might get cancer incompare to the unbelievable low numbers in Chernobyl.
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I thought the main reason for the increase in Thyroid cancer came from exposure to radioactive Iodine which is stored and concentrated in thyroid to be released as needed. Evolutionarily this makes since Iodine is a important chemical for the body but is rare in my places so holding on to it when it is available was quite advantages. If the Thyroid has enough Iodine it passes on newer sources(I believe), so am wondering if the majority of people today don't enough Iodine from salt to greatly reduce they Thyroid risks. I believe iodine in salt was only introduced in japan after WW2?? So we have very little data on how people who get enough Iodine respond to radioactive Iodine in the environment. Also, If the workers where using dust masks, not eating food outside of clean areas, using gloves, etc. Very little Iodine could get absorbed into their systems anyhow. I would hope such precautions where taken because radioactive Iodine isn't even the most dangerous nuclear byproduct. Also, they could have been given extra Iodine supplements to prevent absorption of the Iodine.
I hope things work out well for them but everyone of them who gets cancer will blame the nuclear cleanup effort regardless of if their population has an increase or even decrease in cancer vs the general public. Hell, am sure people in the USA are figuring on how to sue in japan for their cancers.
Just because they are at a "heightened risk of thyroid cancer" doesn't mean that they are going to get cancer. It means that they are more likely to get it than people who weren't exposed to the radiation. Only 2000 people at a heightened risk, as a result of a nuclear power plant being hit by a tsunami? Not bad, I say.
Next time, don't build a nuclear power plant where it can be hit by a tsunami, though. That was just stupid.
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WoW. MOTO article.
Ever person that works at a nuclear power plant knows and understands the risk of thyroid cancer due to exposure to radioactive Iodine. If anything, the workers know that this is true, understand the technicals for why it is mitigated with potassium tablets, and are okay with the increased risk of a very treatable condition. I've worked in the industry for more than 10 years and I KNOW this is true.
Many emergency responders that work in the vicinity of a nuclear power plant know this too. I KNOW this is true as I dated someone that was an emergency responder.
So maybe we should publish other articles on Slashdot.
-Higher risk of being shot in Chicago than on a farm in Montana.
-Higher risk of dying in a car accident when traveling faster.
-You are more likely to suffocate if you inhale your pool versus inhaling at your neighborhood park.
Not to discredit how much having cancer sucks. But thyroid cancer is very treatable today. Especially when you have a known group of people that are more susceptible to it and therefore can be tested more thoroughly for early warning signs.
Oh slashdot.. I miss the old you...
This constant under- or overestimation of stuff by any institution by (a few) orders of magnitude. There doesn't seem to be an eponymous law on this, and me being an AC (not the device nor the celebrated Oakley wearing member of The BSB's) & the internet being full of people claiming they coined stuff, let's call it AC's Law.
(or The Coward's Law)
AC's law states that if an institution claims things are going well, divide by 2. If that same institution says things are not that bad, multiply by 10.
This article is preposterous. 100 milliseiverts is the lowest level for which there is believed to be an increased risk long term of getting cancer. The increase in rate is believed to be about 2%.
Now for the adult population the rate of thyroid cancer is about 1% of all cancers, or .25% of the population.
Throw in the fact that the cure rate for thyroid cancer is 95% or so and it is apparent that the odds of any of these people dying from this exposure is quite small.
This goes against slashdot doctrine!
Nobody will ever die because of Nuclear Power. Sleeping with your arms around a nuclear rod every night gives you the same exposure to radiation as eating 1 small banana!
If the increased incidence of cancer is 5.5% per Sievert, as Wikipedia states, then 100 millisivert on 2000 people is a total of 11 cancers. The survival rate of cancer is about 50%, so that's a bit less than 6 expected deaths. In fact the survival rate is likely to be better as these people are more likely to receive prompt diagnosis if they do develop cancer since they are known to be at higher risk. 6 deaths still isn't good, of course. According to Wikipedia, the number of deaths for coal mining in the US is 30 deaths per year.
100 mSv is the lowest dose linked to an increased risk of cancer (source: http://xkcd.com/radiation/). I imagine the risk would be much less when iodine supplements are taken. Since the Japanese are a generally cautious people, I expect this was the case.
that developed thyroid adenoma (which are to be considered cancer at that age) according to this report http://www.fukushima-disaster.de/information-in-english/maximum-credible-accident.html
Suppose the Fukushima complex had been coal-fired rather than nuclear. For decades, it would have contaminated the air and surrounding land with megatons of toxic emissions, harming the health and shortening the lives of its neighbors. Miners would have died supplying the coal. When the tsunami hit, many workers would have died, since coal plants are much less robust than nuclear. The debris wave from the plant would have killed more. I don't think there can be any doubt that, while not perfectly safe, the use of nuclear technology in this location saved many lives. But coal gets a free ride in the press, which downplays its hazards. Anything nuclear gets the fear treatment.
You answered exactly what I was planning to ask about, and it is pretty awful journalism that the numbers you quote were omitted from TFA. If I'm interpreting your numbers correctly, that would result in 1973*0.25%*2%*(1-95%) = 0.005 extra thyroid cancer deaths total. Not exactly the picture the article was painting.
In other news Fukushima daiichi plant chief at the time of the accident died of cancer a few days ago. What a coincidence, maybe it has something to do with radiation.
Link to WSJ article
was a bunch of dumb asses who didn't know what they were doing were left in charge of a nuclear power plant. It's pretty well documented that the accident was caused by an unsafe and unnecessary experiment by junior staff. It has nothing to do with socialism or capitalism. Just good 'ole fashion human arrogance and stupidity.
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Good sources of natural dietary iodine include kelp, and other sea vegetables and fish as well. So the traditional Japanese diet has a helpful side-effect of tending to limit the uptake of Iodine-131 into the Thyroid and other body glands.
That was the turning point of my life--I went from negative zero to positive zero.
Putting their health and maybe their lives on the line to make others in Japan safer.
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This is both good and bad news.
The babble about thyroid cancer tells me that this is related to the escape of short lived iodine isotopes.
This is vastly better than the same dose from longer lived isotopes which keep on giving and giving.
This was also predictable because these very active alpha emitters are darn hard to measure. Alpha particles are easy to shield and it is mostly the thyroids bio affinity for iodine that makes this a problem. There is data from decades of radioactive iodine uptake tests that can tell us more about the risk.
Many individuals would have been given KI tablets to saturate the thyroid with stable iodine isotopes.... These need to be subtracted from the statistics.
If you are downwind of a reactor (any reactor) and do not have one dose per family member (+1 for guest each) you should. Yes, you should consult your family doctor for advice the next time you visit.
Truth is stranger than fiction, but it is because Fiction is obliged to stick to possibilities; Truth isn't. Mark Twain.
A very large number of workers died, about 20%. The broader exposure will likely bring about between 30,000 and 60,000 excess cancer deaths, some in countries that never got any electricity from Chernobyl ever. http://www.chernobylreport.org/?p=summary
For everyone downplaying the significance of this lets remember that TEPCO has been lying since day one.
Watch just how wrong you are when in the coming years children are born with severe defects at a substantially increasing rate.. all over Nippon. It will truly be a sad and scary thing.
At this point the core material has penetrated straight through to their groundwater supply. The data is there, radioactive isotopes are increasing not decreasing. The problem has only truly begun and the parties responsible know full well that perpetual lawsuits are right around the corner.
The distraction here has been to save those who made the wrong decisions.
Nippon, you are in my prayers.
Clean, safe, inexpensive.
Yep.
So, in a comment to a report that demonstrates a U.N. whitewash on Fukushima http://science.slashdot.org/story/13/06/05/2054237/japans-radiation-disaster-toll-none-dead-none-sick this anonymous coward claims there was no whitewash on Chernobyl. Perhaps there is a larger perspective here.
That should have been 0.0987 people corresponding to 0.005%, of course.
In the light of Fukushima and other nuclear disasters it seems prudent to have a free/trustworthy radiation monitoring network. There is a cheap and open-source add-on module for the Raspberry Pi (PiGI), which transforms it into a geiger counter with a network interface we could use a a basis for federated radiation monitoring or heat-mapping. If enough people support the idea it will be easy to crowd-fund the production of these boards for a very low price.
Because only TEPCO's NPS failed when the tsumami hit. They already had the studies made in 2008 that the seawall was way below the required height for the recorded tsunami levels in their zone. The nuclear power plant from Tohoku Denryoku, Onagawa, that was in the closest point to the quake's epicenter and was hit by a higher wave didn't fail; to the south of TEPCO's Fukushima II the power plant from Japan Atomic Power Corporation Tokai-2 was hit by a similar wave that hit and damaged Fukushima II and didn't face any emergency because due to the same study that was shown to TEPCO in 2008 instead of doing nothing they built a higher and stronger seawall. The lack of a proper seawall killed 2 workers that drowned at Fukushima I.
To further complicate things, instead of starting the decommissioning of unit 1 of Fukushima I TEPCO requested and got granted a license to keep it working despite it being the oldest unit in service in Japan. Had it been in cold shutdown since February 2011 as scheduled despite the lack of proper countermeasures against tsunami they could have had the manpower and resources available to better deal with the emergency in units 2 and 3. On the other hand, if units 4, 5 and 6 hadn't been in a planned outage at the time of the tsunami the disaster could have been of biblical proportions.
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