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. 2024 Jul 9;63(3):371–383. doi: 10.1007/s00411-024-01079-y

Table 3.

Achieved detection limits and detectable effective doses for a separate evaluation and different combined evaluations of 225Ac in 12 whole-body measurements over the course of a year

Detection limit (Bq) Detectable effective dose per measurement (mSv) Detectable effective dose per year (mSv)
M1, …, M7 at 218 keV 270 73 -
at 440 keV 83 23 2801
M8, …, M12 at 218 keV 320 88 -
at 440 keV 96 27 3201
M1, …, M12 at 440 keV - - 300
Combination of emissions (method a):
M1, …, M7 94 26
M8, …, M12 97 26
M1, …, M12 - - 310
Combination of spectra (method b only):
M1+…+M7 at 440 keV 30 8.2 98
M8+…+M12 at 440 keV 36 9.8 120
M1+…+M12 at 440 keV 25 6.8 81

1 Under the hypothetical assumption that 12 measurements were conducted under these conditions