1,000 Bq/kg from human excrement in Nagano
High level of cesium was measured from human excrement in many forms such as dewatered sludge, incineration ash, and drought sludge etc.. The highest reading was 930 Bq/kg.
The samples were taken at night-soil treatment plants in east part of Nagano prefecture.
The parts surrounded by red line indicate the cesium 134/137 from human excrement except for rural community sewerage.
Cesium has been measured from May 2011. (H23 = 2011.)
Iori Mochizuki
