Multi-Sack Activity Measurements using Truckscan System Scope: • Location: Fukushima Prefecture, close to Daichii NPP area, Japan. • Japanese government requires many radiological investigations for clearance. • High volume of soil, requiring quick and precise measurement method in collaboration with Obayashi General Contractor. • Need to measure the soil of the Fukushima prefecture which was filled in multi-sacks. The average dose rate of the sacks is around 0.4 µSv/h. Key Drivers: • Measurement must be very quick, accurate and in real-time. • Authorities require each sack to be measured individually and be sorted out if contamination exceeds the limits. The Truckscan System allows measurement of the activity of several individual sacks at once. • Sacks m

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