Abstract

The Goiania accident involving 137Cs resulted in the internal contamination of 129 persons, of ages between 1 and 60 years, up to levels of approximately 250 MBq. The relationship is described between the dose rate at the body surface as measured by portable radiation detectors and the 137Cs body burden as measured by whole-body counting techniques for 3 adolescents and 8 adults involved in the accident. This relationship can be used in the case of similar accidents to estimate quickly 137Cs body burdens. The dose rate measurements at the axillas give the most representative results for estimating the 137Cs body burden.

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