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. 2022 Dec 5;32(Suppl 12):S11–S22. doi: 10.2188/jea.JE20210166

Table 4B. Municipality-average effective doses estimated from ambient dose equivalent and Ri values for periods corresponding to Table 4A.

No Municipality Data
source
Ambient dose equivalent at a reference
site in targeting municipality for a period
corresponding to personal dosimeter
measurement (mSv)
Effective dose for the population of the targeted
municipality for a period corresponding to personal
dosimeter measurement (mSv)
Difference
with PD

Measured dose Estimated
background
dose due to
terrestrial
radiation
Additional
dose
Average
additional
dose
estimated
using Ri
Background
dose from
terrestrial
radiation
Background
dose from
universe
Total average
effective dose
(mSv)

      a b c = a − b d = c × F1 × Ri e = b × F1 f g = d + e + f h = c in
Table 4A/g
1 Fukushimaa P-MP 0.524 0.029 0.495 0.105 0.017 0.017 0.140 0.99
2 Koriyama P-MP 0.659 0.040 0.619 0.144 0.024 0.019 0.187 0.96
3   P-MP 1.165 0.077 1.088 0.254 0.046 0.037 0.337 0.86
4   P-MP 0.787 0.061 0.725 0.169 0.037 0.029 0.235 0.94
5 Sukagawa SV 1.364 0.095 1.268 0.178 0.057 0.036 0.272 0.92
6   SV 1.793 0.141 1.653 0.232 0.084 0.054 0.370 0.89
7 Yabuki SV 0.519 0.120 0.399 0.141 0.072 0.048 0.260 0.74

aMeasured dose for Fukushima MP was integrated from Jan 22 to Feb 20 (30 days) in 2012, although a period of 30 days was selected between Jan 18 and Feb 25, 2012 for personal dosimeter measurements (see footnotes of Table 4(a)).