Synthesized research report in the second mid-term research phase, Mizunami Underground Research Laboratory Project, Horonobe Underground Research Laboratory Project and Geo-stability Project (Translated document)

Hama, Katsuhiro; Sasao, Eiji; Iwatsuki, Teruki; Onoe, Hironori; Sato, Toshinori; Fujita, Tomoo; Sasamoto, Hiroshi; Matsuoka, Toshiyuki; Takeda, Masaki; Aoyagi, Kazuhei ; Nakayama, Masashi; Miyakawa, Kazuya  ; Oyama, Takuya; Yasue, Kenichi; Asamori, Koichi; Niwa, Masakazu  ; Osawa, Hideaki; Ito, Hiroaki; Nagae, Isako; Natsuyama, Ryoko; Semba, Takeshi; Amano, Kenji

We synthesized the research results from the Mizunami/Horonobe Underground Research Laboratories (URLs) and geo-stability projects in the second midterm research phase. This report can be used as a technical basis for the Nuclear Waste Management Organization of Japan/Regulator at each decision point from siting to beginning of disposal (Principal Investigation to Detailed Investigation Phase).