Radiation analysis results (sample: collected on May 5)
2011-05-24
Radioactive material measurement was performed on the samples (groundwater and injection needle) collected on 5/21(Saturday).
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 9
・ Radioactive cesium
(Cs-134) Not detected 10
(Cs-136) Not detected 7
(Cs-137) Not detected 8
Analysis date: 2011/5/23 Analysis time 17:13
Analysis period: Kaken Co., Ltd.
2.Needle
Measurement item Measurement result Lower limit of detection (Bq/Kg)
・ Radioiodine (I-131) not detected 7
・ Radioactive cesium
(Cs-134) Not detected 9
(Cs-136) Not detected 8
(Cs-137) Not detected 8
Analysis date: 2011/5/23 Analysis time 17:24
Analysis period: Kaken Co., Ltd.
3.Spatial radiation dose rate
0.16μSv / h (microsievert) As of May 2011, 5 am24: 10
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 9
・ Radioactive cesium
(Cs-134) Not detected 10
(Cs-136) Not detected 7
(Cs-137) Not detected 8
Analysis date: 2011/5/23 Analysis time 17:13
Analysis period: Kaken Co., Ltd.
2.Needle
Measurement item Measurement result Lower limit of detection (Bq/Kg)
・ Radioiodine (I-131) not detected 7
・ Radioactive cesium
(Cs-134) Not detected 9
(Cs-136) Not detected 8
(Cs-137) Not detected 8
Analysis date: 2011/5/23 Analysis time 17:24
Analysis period: Kaken Co., Ltd.
3.Spatial radiation dose rate
0.16μSv / h (microsievert) As of May 2011, 5 am24: 10
We will continue to monitor.