[en] A lot of efforts have been made recently for researches on development of PSA methodology, its applications, and trials of risk-informed operation and maintenance in nuclear fuel facilities in Japan. Quantitative performance criteria consistent with Nuclear Safety Goals, which is essential for risk-informed decision making, however, have not been discussed yet for those nuclear installations. A subcommittee under the Nuclear Safety Research Committee has been organized by Nuclear Safety Research Center of Japan Atomic Energy Agency to prepare the technical basis and a typical procedure to derive the quantitative performance goals for further discussions by the regulatory bodies to establish the objectives. The activities in 2008 fiscal year have been summarized in this report carried by the subcommittee of research on performance goals for nuclear fuel facilities. (author)