Table 2 Phosphogypsum radioactivity test results.
Testing Program | Technical Requirements | Test results | Individual judgment | Testing Conclusion |
|---|---|---|---|---|
CRa/Bq/kg | / | 53.94 | / | Comply with GB 6566–2010 National Standard Requirements for “Radionuclide Limitations of Building Materials” |
CTh/Bq/kg | / | 42.13 | / | |
CK/Bq/kg | / | 52.95 | / | |
internal irradiance index(IRa) | ≤ 1.0 | 0.3 | Eligible (voter etc.) | |
external exposure index(Ir) | ≤ 1.0 | 0.3 | Eligible (voter etc.) |
