Table 7.
Raw data from Li et al. for the mining area (Bayan Obo) and the smelting area (Baotou City)(29). The values represent the share of mass of the element in the examined sample. The values of potassium are converted from % to mg/kg in comparison to the original data.
| Tailing (mg kg−1) | Next to tailing (mg kg−1) | Living area (mg kg−1) | |
|---|---|---|---|
| Thorium, background 9.30 mg kg−1 | |||
| Bayan Obo | 276 (275–276) | 39.6 (2.40–81.6) | 26.2 (17.1–35.2) |
| Baotou City | 321 (290–352) | 13.4 (8.74–18.1) | 12.6 (7.80–17.4) |
| Uranium, background 2.55 mg kg−1 | |||
| Bayan Obo | 5.70 (5.13–6.27) | 1.92 (1.34–2.50) | 2.93 (2.78–3.08) |
| Baotou City | 3.02 (1.98–4.06) | 2.22 (1.85–2.59) | 2.88 (1.24–4.52) |
| Potassium, background 21 800 mg kg−1 | |||
| Bayan Obo | 20 500 (19 800–21 200) | 30 100 (25 000–35 200) | 31 300 (28 800–33 800) |
| Baotou City | 28 600 (25 900–31 300) | 19 000 (15 600–22 400) | 22 400 (14 900–29 900) |