1 Nov 2012; 1 p; Available from Fukushima Nuclear Accident Archive https://f-archive.jaea.go.jp/dspace/handle/faa/82180?locale=eng; also seen along with the broader data https://warp.ndl.go.jp/info:ndljp/pid/8699167/www.tepco.co.jp/en/nu/fukushima-np/f1/smp/2012/index11-e.html; Data files are available from Fukushima Nuclear Accident Archive, Japan; Nuclear Accidents Knowledge Taxonomy (NKMS, IAEA): 4-4-1-6 Waste management; 4-3-1-5 Radiation survey of environment; Numerical data flagging: Survey data; Onsite; Radionuclides; Radioactivity