| Budget Amount *help |
¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2014: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2012: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
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| Outline of Final Research Achievements |
The value of effective dose limit of the worker doesn't depend on the history of being exposed to radiation of the individual, but the age and the exposed dose when being exposed to radiation change the lifetime risk . Therefore, we got the risk quantity of the typical variety from the value of the effective dose limit which ICRP recommends and we made this standard risk index-value. We computed lifetime risk quantity about the pattern of being exposed to radiation with various age and dose, and we sought the readjustment value of the biggest effective dose limit which doesn't exceed standard risk index-value. Also, it opens up new roads to make the choice of the new practical effective dose limit without increasing lifetime risk.
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