The following is from Kyodo News.
Radioactive iodine-131 has a half-life of eight days, meaning that its effect will be reduced to half in eight days, one-fourth in 16 days and one-sixteenth in 32 days.
Half life for cesium-137 is 30 years.
The following is from Kyodo News.
Radioactive iodine-131 has a half-life of eight days, meaning that its effect will be reduced to half in eight days, one-fourth in 16 days and one-sixteenth in 32 days.
Half life for cesium-137 is 30 years.