Application of intervention levels in Sweden after Chernobyl

The International Commission on Radiological Protection, ICRP, has stated that the purpose of intervention in case of an accident should be that the reduction in detriment achieved by the countermeasure should more than outbalance the detriment carried by the countermeasure itself. This has latter been elaborated into three goals for intervention; avoid serious nonstochastic effects; achieve a positive net benefit to the individuals involved by limiting the risk from stochastic effects; and limit as far as reasonably practicable the overall incidence of stochastic effects. The three goals have been accepted as a basis for international recommendations about countermeasures following an accident