List of third-party analysis results of ALPS treated water
Japanese Fiscal Year 2026
| Announced date of analysis results for measurement/ confirmation facility | Tank group of measurement/ confirmation facility | Tritium concentration |
Concentration of radioactive materials excluding tritium |
Details | ||
|---|---|---|---|---|---|---|
| October 1, 2026 | Group A | 150,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility | |
| 0.27 | ＜ | １ | ||||
| August 27, 2026 | Group B | 160,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility | |
| 0.48 | ＜ | １ | ||||
| July 28, 2026 | Group C | 160,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility | |
| 0.49 | ＜ | １ | ||||
| July 2, 2026 | Group A | 190,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility | |
| 0.45 | ＜ | １ | ||||
| May 28, 2026 | Group B | 160,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility | |
| 0.42 | ＜ | １ | ||||
Japanese Fiscal Year 2025
| Announced date of analysis results for measurement/ confirmation facility | Tank group of measurement/ confirmation facility | Tritium concentration |
Concentration of radioactive materials excluding tritium |
Details | ||
|---|---|---|---|---|---|---|
| March 31, 2026 | Group A | 230,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility | |
| 0.29 | ＜ | １ | ||||
| January 9, 2026 | Group B | 260,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility Discharge vertical shaft (upper-stream storage) |
|
| 0.23 | ＜ | １ | ||||
| December 2, 2025 | Group A | 310,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility | |
| 0.2 | ＜ | １ | ||||
| October 28, 2025 | Group C | 250,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility | |
| 0.12 | ＜ | １ | ||||
| September 9, 2025 | Group B | 220,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility | |
| 0.11 | ＜ | １ | ||||
| August 5, 2025 | Group A | 390,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility | |
| 0.12 | ＜ | １ | ||||
| July 10, 2025 | Group C | 250,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility | |
| 0.096 | ＜ | １ | ||||
| April 8, 2025 | Group A | 360,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility | |
| 0.071 | ＜ | １ | ||||
Japanese Fiscal Year 2024
| Announced date of analysis results for measurement/ confirmation facility | Tank group of measurement/ confirmation facility | Tritium concentration |
Concentration of radioactive materials excluding tritium |
Details | ||
|---|---|---|---|---|---|---|
| March 6, 2025 | Group C | 310,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility Discharge vertical shaft (upper-stream storage) |
|
| 0.072 | ＜ | １ | ||||
| October 15, 2024 | Group B | 310,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility | |
| 0.084 | ＜ | １ | ||||
| September 24, 2024 | Group A | 280,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility | |
| 0.064 | ＜ | １ | ||||
| August 5, 2024 | Group C | 200,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility | |
| 0.12 | ＜ | １ | ||||
| June 26, 2024 | Group B | 170,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility | |
| 0.15 | ＜ | １ | ||||
| May 15, 2024 | Group A | 160,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility | |
| 0.16 | ＜ | １ | ||||
| April 17, 2024 | Group C | 190,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility | |
| 0.28 | ＜ | １ | ||||
Japanese Fiscal Year 2023
| Announced date of analysis results for measurement/ confirmation facility | Tank group of measurement/ confirmation facility | Tritium concentration |
Concentration of radioactive materials excluding tritium |
Details | ||
|---|---|---|---|---|---|---|
| February 26, 2024 | Group B | 170,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility | |
| 0.34 | ＜ | １ | ||||
| October 19, 2023 | Group A | 130,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility Discharge vertical shaft (upper-stream storage) |
|
| 0.26 | ＜ | １ | ||||
| September 21, 2023 | Group C | 140,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility Discharge vertical shaft (upper-stream storage) |
|
| 0.21 | ＜ | １ | ||||
| June 22, 2023 | Group B | 140,000 Bq/L | The sum of ratios of legally required concentrations | Regulatory standards | Measurement/confirmation facility Discharge vertical shaft (upper-stream storage) |
|
| 0.28 | ＜ | １ | ||||