Radiation analysis results (sample: collected on April 4)
2011-04-27
Radioactive material measurement was performed on the samples (groundwater and injection needle) collected on 4/22 (Friday).
Results: No iodine or cesium was detected in groundwater or needles.
1.Groundwater
Measurement item Measurement result Lower limit of detection (Bq / Kg)
・ Radioiodine (I-131) not detected 6
・ Radioactive cesium
(Cs-134) Not detected 9
(Cs-136) Not detected 8
(Cs-137) Not detected 10
Analysis date: April 2011, 4 Analysis time 25:20
Analytical organization: Kaken Co., Ltd.
2.Needle
Measurement item Measurement result Lower limit of detection (Bq / Kg)
・ Radioiodine (I-131) not detected 5
・ Radioactive cesium
(Cs-134) Not detected 10
(Cs-136) Not detected 5
(Cs-137) Not detected 11
Analysis date: April 2011, 4 Analysis time 25:15
Analytical organization: Kaken Co., Ltd.
3.Spatial radiation rate Nasu district, Tochigi prefecture
0.19 μSv / h (microsievert) As of April 2011, 4 am27: 9
We will continue to monitor.
Results: No iodine or cesium was detected in groundwater or needles.
1.Groundwater
Measurement item Measurement result Lower limit of detection (Bq / Kg)
・ Radioiodine (I-131) not detected 6
・ Radioactive cesium
(Cs-134) Not detected 9
(Cs-136) Not detected 8
(Cs-137) Not detected 10
Analysis date: April 2011, 4 Analysis time 25:20
Analytical organization: Kaken Co., Ltd.
2.Needle
Measurement item Measurement result Lower limit of detection (Bq / Kg)
・ Radioiodine (I-131) not detected 5
・ Radioactive cesium
(Cs-134) Not detected 10
(Cs-136) Not detected 5
(Cs-137) Not detected 11
Analysis date: April 2011, 4 Analysis time 25:15
Analytical organization: Kaken Co., Ltd.
3.Spatial radiation rate Nasu district, Tochigi prefecture
0.19 μSv / h (microsievert) As of April 2011, 4 am27: 9
We will continue to monitor.