Radiation analysis results (sample: collected on May 5)
2011-05-12
Radioactive material measurement was performed on the samples (groundwater and injection needle) collected on 5/6 (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 7
・ Radioactive cesium
(Cs-134) Not detected 8
(Cs-136) Not detected 5
(Cs-137) Not detected 6
Analysis date: April 2011, 5 Analysis time 9:20
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 7
(Cs-136) Not detected 6
(Cs-137) Not detected 5
Analysis date: April 2011, 5 Analysis time 9:21
Analytical organization: Kaken Co., Ltd.
3.Spatial radiation rate Nasu district, Tochigi prefecture
0.17 μSv / h (microsievert) As of April 2011, 5 am12: 7
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 7
・ Radioactive cesium
(Cs-134) Not detected 8
(Cs-136) Not detected 5
(Cs-137) Not detected 6
Analysis date: April 2011, 5 Analysis time 9:20
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 7
(Cs-136) Not detected 6
(Cs-137) Not detected 5
Analysis date: April 2011, 5 Analysis time 9:21
Analytical organization: Kaken Co., Ltd.
3.Spatial radiation rate Nasu district, Tochigi prefecture
0.17 μSv / h (microsievert) As of April 2011, 5 am12: 7
We will continue to monitor.