Underground reservoir nuclide analysis results (As of October 1, 2013) - underground reservoir observation holes nuclide analysis results (As of October 1, 2013) - nuclide analysis results of the underground bypass (Investigation holes/Pumping Well) and the sea side observation holes (As of October 1, 2013) Underground reservoir nuclide analysis results (As of October 1, 2013) - underground reservoir observation holes nuclide analysis results (As of October 1, 2013) - nuclide analysis results of the underground bypass (Investigation holes/Pumping Well) and the sea side observation holes (As of October 1, 2013)