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Riken Analysis Center measured Cesium from the urine of 5 out of 18 children in Saitama.
1) 10 years old, female, Cs-134 = 0.51 Bq/Kg, Cs-137 = 0.53 Bq/Kg
2) 9 years old, male, Cs-134 = 0.36 Bq/Kg, Cs-137 = 0.48 Bq/Kg, 4/2 ~ 4/5 + 7/28 ~ 8/21 + 8/24 + 9/1 ~→ evacuated to other city, drinking bottled water for most of the time.
3) 3 years old, female, Cs-134 = 0.20 Bq/Kg, Cs-137 = 0.24 Bq/Kg, using water purifying system for cooking and drinking.
4) 3 years old, female, Cs-134 = 0.18 Bq/Kg, Cs-137 = 0.26 Bq/Kg
5) 3 years old, female, Cs-134 = 0.15 Bq/Kg, Cs-137 = 0.19 Bq/Kg, evacuated from 8/16 to 8/21, avoided school lunch on Tuesday and Friday, after June, ordered uncontaminated vegetables, beef, milk, and meat, bought water from Mie for drinking.
Note: (1) is one of the worst data out of Fukushima.
Whether they take care about food etc or not whether they evacuate to other city or not, they can be internally exposed.
4 of 5 are female.