Estimation of radiation doses from ~(137)Cs to perch in a Finnish lake

摘要

The biota dose calculation code NHDC (Non-Human Dose Calculation) was developed at STUK -Radiation and Nuclear Safety Authority. Perch (Perca fluviatilis) from southern parts of Lake Paeijaenne, contaminated by ~(137)Cs from the Chernobyl deposition, was the object of this study. Dose rates from ~(137)Cs to perch were estimated and annual doses of a hypothetic perch were calculated with NHDC using the measured ~(137)Cs activity concentrations in perch in 1986-2001.