Annual report on the activities of safety in J-PARC, FY2015

This annual report describes the activities on radiation safety and general safety in Japan Proton Accelerator Research Complex (J-PARC) in FY2015 following the annual report of FY2011 and FY2014. Activities on radiation safety such as radiation control in each facility, environmental monitoring, individual monitoring, maintenance of monitoring instruments and other activities on radiation matters are represented, and activities of general safety such as safety committees, meetings, lectures, trainings and periodical checks are described. The technological developments and research on safety issues are also summarized in the last section. In addition, another chapter was newly given to the 'Activities on Promotion of Safety Culture' in this report. (author)