GCM Fukushima 2012

English Translation of Geiger Counter Meeting in Fukushima City(July 15,2012) and Koriyama City(July 16,2012). 1.Mr.Hayano: Let's Study Internal/External Exposure with data from Fukushima 2.Ms.Nojiri: Radiation Measurement and Our Health 3.Discuss with Farmers/Distributors, for the future EX.How to use GeigerCounter Workshop Read More
international chernobyl fukushima nekomimi nuclear radiation disaster cesium Japan contaminated recovery
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hiroki @hirokiharoki
Mr.Nojiri(Shiri-P) asked questions to the audiences gathered at GeigerCounterMeeting FUKUSHIMA.About50% came from Fukushima, others outside.
hiroki @hirokiharoki
Someone even came from Hokkaido. 50% people think BrainWaveCatEar on aprofesserHayano looks good on him.
hiroki @hirokiharoki
Mr.Hayano explains about the CatEar is kind of noisy(when it moves) and uncontrolabe.It only moves with brainwave.
hiroki @hirokiharoki
Correction:Seems about 70% ppl came from Fukushima.
hiroki @hirokiharoki
Mr.Hayano's talk started.About external / internal exposure and Fukishima. WholeBodyCounter
hiroki @hirokiharoki
Different from Chernobyl, in Fukushima. Asked some radioactive questions about knowledges to audience.
hiroki @hirokiharoki
Mr.Hayano exposed around 200mSv before 311. He was in Tokyo.with students.312 TVsaid about cesium.Cs137 is from uranimu. 3.13 he made graph
hiroki @hirokiharoki
Twitter is interactive.that's a good point. We gradually get data about outside radioactive data. But not many internal exposure data.Food!
hiroki @hirokiharoki
Mr.Hayano proposed Whole lunch radioactive test for school. Governer first didn't want to do the test, afraid if they find radioactivity
hiroki @hirokiharoki
First, the test was on Yokosuka.Mr.Hayano proposed with using his own pocket money. gradually, whole lunch test spread to many areas.
hiroki @hirokiharoki
Next, WBC problems.Fukushima doctor asked Mr.Hayano.whole body counter had many problems. TheDoctors felt problem when they use WBC.
hiroki @hirokiharoki
There are StandingType WBC,and ChairType WBC with/without shilelds.Food Bq Checker and WBC is basically, same system. Get spectrum and peaks
hiroki @hirokiharoki
Cpm to Bq, then Sv they calculate and create data. I131's half life 8days.So they can't say about I131 by checking WBC now.
hiroki @hirokiharoki
They say Radon radioactive gus makes cancer 20000 die in US. K40 is in all people. When Mom hug baby, baby exposes K40.
hiroki @hirokiharoki
Showed fig. Of 300BqInternalExposure checked by WBC. It was a very slite difference. WBC result changes. Radioactive is randam somewhat.
hiroki @hirokiharoki
WBC is for adult size, not for child.Have 15% error. Kids need to place with stand.Because checking main point differs with kid's hight.
hiroki @hirokiharoki
Less than 20kg kids is impossible currently with WBC FOR 2MIN. And many WBC in Fukushima need calibration.
hiroki @hirokiharoki
10Bq per day, for a year.How much in WBC? Not all are acumulated. It gets gradually out, too, with pee/poo. Kids faster dicrease.WBC -Adults
hiroki @hirokiharoki
...can check better.We discovered, they don't eat much cesium as we had expected(afraid). Compared with Chernobly / Minamisouma. But don't
hiroki @hirokiharoki
Get guard down. We found 10000Bq/kg wild boar,too. Showed WBC data. Before Feburary, they didn' changed clothes.That makes higher results.
hiroki @hirokiharoki
Need to do WBC second test for increasing or dicreasing.Ppl who eat 20Bq, and 30Bq each day increases. 1mSv/year:equals 50,000Bq/year
hiroki @hirokiharoki
If one eat 100Bq/kg rice for a year equals 6000Bq only.It's 1digit lower than 50,000Bq. Current high risk foods are,HouseVeggy with no check
hiroki @hirokiharoki
And main food with contaminated for some degree.There are 50Bq/kg rice.It exist. 1960era, we Japanese all eat 4Bq/day everyday.
hiroki @hirokiharoki
1964, 550Bq/body adults. Data is accurate.Matches with caluculation with 4Bq/everyday. WBC data with no chothes change was high.Clothes were
hiroki @hirokiharoki
Contaminated.Recommend,not only kids, parents, adults should check,too.Better result we can find.300Bq/body is minimum checkable value.
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