SOLVING THE NEW MODEL OF CAESIUM (ICRP 134 ) AND ITS VALIDATION

SOLVING THE NEW MODEL OF CAESIUM (ICRP 134 ) AND ITS VALIDATION

The activity incorporated by people exposed to Caesium 137 and 134 (i.e. in case of accidental emission from Nuclear Facilities) can be estimated by measurements of the Caesium isotope activity in the whole body, in parts of the body, or in the
urine or fecal excretion. In these cases, a mathematical model of the distribution of the caesium is used (Fig. 1): the human body is divided in compartments and the time-dependent activity of radionuclide in each compartment is represented as a
function of time after intake (Fig. 2). We have solved the new caesium model (ICRP 100, ICRP 130 and ICRP 134) developing a package for BIOKMOD (Fig. 3). Data from real contaminated individuals are compared to the model’s predictions (Fig. 4)

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