News Reiwa 6nd year Sake brewing rice from Niigata Prefecture Radioactive material test results
XNUMX. Survey and inspection method
- Target area: 5 points in Niigata prefecture (Kaetsu East, Kaetsu West, Sado, Chuetsu, Joetsu)
- Target varieties: "Gohyaku mangoku", "Takane Nishiki", "Koshitanrei" from Niigata prefecture, produced in 6rd year of Reiwa
- Collection method: Brown rice is collected and analyzed at the time of harvest.
- Analytical organization: Niigata Prefectural Institute for Environmental Health
- Analytical method: Gamma ray spectrum by germanium semiconductor detector
- Target nuclides: radioactive iodine, radioactive cesium
- Lower limit of quantification: 5Bq / kg (becquerel)
(The lower limit of quantification is the minimum value that can be quantified by the analytical method and the minimum value that the analytical institution can prove based on the measurement.)
XNUMX, test results
"Gohyaku mangoku" from Niigata prefecture (6rd year of Reiwa)
| Inspection area | Collection / submission date | Proof date | Radioiodine (5Bq / kg) | Radioactive cesium (5Bq / kg) | |
|---|---|---|---|---|---|
| I-131 | CS-134 | CS-137 | |||
|
Kaetsu East |
Late September |
November 25st |
Not detected |
Not detected |
Not detected |
|
Shimokoshi West |
Early November |
November 15st |
Not detected |
Not detected |
Not detected |
|
Sado |
Early November |
November 15st |
Not detected |
Not detected |
Not detected |
|
Chuetsu |
Late September |
November 6st |
Not detected |
Not detected |
Not detected |
|
Joetsu |
Early November |
November 11st |
Not detected |
Not detected |
Not detected |
* Not detected ... Indicates that the value is below the lower limit of quantification for each nuclide to be inspected.
"Takane Nishiki" from Niigata Prefecture (6rd year of Reiwa)
| Inspection area | Collection / submission date | Proof date | Radioiodine (5Bq / kg) | Radioactive cesium (5Bq / kg) | |
|---|---|---|---|---|---|
| I-131 | CS-134 | CS-137 | |||
|
Kaetsu East |
Early November |
November 25st |
Not detected |
Not detected |
Not detected |
|
Shimokoshi West |
Early November |
November 15st |
Not detected |
Not detected |
Not detected |
|
Sado |
Mid April |
November 15st |
Not detected |
Not detected |
Not detected |
|
Chuetsu |
Late September |
November 27st |
Not detected |
Not detected |
Not detected |
|
Joetsu |
Late September |
November 11st |
Not detected |
Not detected |
Not detected |
* Not detected ... Indicates that the value is below the lower limit of quantification for each nuclide to be inspected.
"Koshitanrei" from Niigata prefecture (6rd year of Reiwa)
| Inspection area | Collection / submission date | Proof date | Radioiodine (5Bq / kg) | Radioactive cesium (5Bq / kg) | |
|---|---|---|---|---|---|
| I-131 | CS-134 | CS-137 | |||
|
Kaetsu East |
Late September |
November 13st |
Not detected |
Not detected |
Not detected |
|
Shimokoshi West |
Mid April |
November 15st |
Not detected |
Not detected |
Not detected |
|
Sado |
Late September |
November 15st |
Not detected |
Not detected |
Not detected |
|
Chuetsu |
Mid April |
November 21st |
Not detected |
Not detected |
Not detected |
|
Joetsu |
Early November |
November 11st |
Not detected |
Not detected |
Not detected |
* Not detected ... Indicates that the value is below the lower limit of quantification for each nuclide to be inspected.
Please see here for the radioactivity test of sake rice produced in Reiwa 5nd year.