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Table 2
Activity concentrations of 238U, 232Th and 40K in mine tailing samples with the world average values adapted from the (UNSCEAR 2000).
| Site | Activity concentration (Bq kg−1) | Total Activity Concentrations (Bq kg−1) | |||
|---|---|---|---|---|---|
|
|
|||||
| 238U | 232Th | 40K | |||
| World average (UNSCEAR) | 33.0 | 45.00 | 420.00 | 498.00 | |
| Decommissioned (Mixed) | 30.70 | 0 | 175.73 | 206.43 | |
| Commissioned site | 200 m Away | 47.92 | 0 | 69.09 | 117.01 |
| Dried Tailing | 0 | 0 | 98.30 | 98.30 | |
| Decant | 22.91 | 0 | 46.32 | 69.23 | |
| Source | 7.138 | 129.06 | 133.72 | 269.91 | |
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