Radiation analysis results (sample: collected on June 6)
2011-06-25
Radioactive material measurement was performed on the samples (groundwater and injection needle) collected on 6/17 (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 10
(Cs-136) Not detected 8
(Cs-137) Not detected 7
Analysis date: 2011/6/20 Analysis time 13:46
Analysis agency: Kaken Co., Ltd.
2.Needle
Measurement item Measurement result Lower limit of detection (Bq/Kg)
・ Radioiodine (I-131) not detected 4
・ Radioactive cesium
(Cs-134) Not detected 4
(Cs-136) Not detected 4
(Cs-137) Not detected 4
Analysis date: 2011/6/20 Analysis time 20:30
Analysis agency: Kaken Co., Ltd.
3.Spatial radiation dose rate
0.17μSv/h (microsievert) As of June 2011, 6 pm25:14
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 10
(Cs-136) Not detected 8
(Cs-137) Not detected 7
Analysis date: 2011/6/20 Analysis time 13:46
Analysis agency: Kaken Co., Ltd.
2.Needle
Measurement item Measurement result Lower limit of detection (Bq/Kg)
・ Radioiodine (I-131) not detected 4
・ Radioactive cesium
(Cs-134) Not detected 4
(Cs-136) Not detected 4
(Cs-137) Not detected 4
Analysis date: 2011/6/20 Analysis time 20:30
Analysis agency: Kaken Co., Ltd.
3.Spatial radiation dose rate
0.17μSv/h (microsievert) As of June 2011, 6 pm25:14
We will continue to monitor.