
CHAPTER 7
Radiation Effects
7.1 General
Radioactive material was released to the environment on several
occasions after the tsunami struck Fukushima (Wikipedia 2011a). This
occurred due to deliberate pressure-reducing venting and through
accidental and controlled releases. These conditions resulted in slight
amounts of radioactive contamination in the atmosphere, drinking
water, milk, some crops near the reactor and in fi sh caught 80 km from
the coast. Radioactive iodine was found in breast milk of women living
east of Tokyo. Drinking water in Japan was above the limit for infants
about 7 to 10 days after the accident. Several workers received ...