[2F04-08] Radiation Safety Management

[2F06] The dose-reduction activity of the lens of the eye at Tokai Reprocessing Plant

*Saki Nishino¹, Ryo Nemoto², Hiroyuki Hayashi², Daisuke Kobayashi¹, Hidemi Isomae¹, Shuhei Sakuma¹, Misaki Takimoto¹, Shun Okuyama¹, Motoyoshi Unno¹, Takahiko Kitao¹ (1. JAEA, 2. E&E Techno Service)

Keywords:Exposure of the lens of the eye, Optimization of protection, Tokai Reprocessing Plant

At the JAEA Tokai Reprocessing facility, especially workers engaged in Plutonium Conversion Development Facility (PCDF) are required strict radiation control due to working environment handling various nuclear material including plutonium (Pu) at short range. Because the equivalent dose limit of the lens of the eye stipulated by Japanese regulations has been revised downwards, we reassessed personal dose equivalent focusing on the lens of the worker’s eye. The reassessment results indicate that wearing the appropriate radiation protection glasses is necessary for some workers who handle Pu including waste material in PCDF. Radiation management using protective glasses has started under revised radiation control plan.