[1] Nucl Regulat Author, Tokyo, Japan
[2] Inst Radiol Protect & Nucl Safety IRSN, Hlth & Environm Div, Fontenay aux Roses, France
[3] Ctr etud Evaluat Protect domaine Nucl CEPN, Fontenay aux Roses, France
[4] UK Hlth Secur Agcy, Radiat Chem & Environm Hazards Directorate, Oxford, Oxon, England
[5] Cent Res Inst Elect Power Ind CRIEPI, Sustainable Syst Res Lab, Biol & Environm Chem Div, Radiat Safety Unit, Tokyo, Japan
[6] Hirosoft Int Corp, Eureka, CA USA