15 Feb 2013; [html]; Available from Fukushima Nuclear Accident Archive https://f-archive.jaea.go.jp/dspace/handle/faa/162936?locale=eng; Photo files are available from Fukushima Nuclear Accident Archive, Japan; Nuclear Accidents Knowledge Taxonomy (NKMS, IAEA): 5-1-1 Zone diagnostics; 5-1-2 Fuel condition diagnostics