Table 6.
Parameters and values for the calculation of the inhalation in the mining area and in the smelting area, a indicates a particular value of the raw data.
| Symbol | Name | Value | Unit |
|---|---|---|---|
| E | Additional annual effective dose | mSv | |
| B | Breathing rate for persons of the public | 22.2 | m3 d−1 |
| F | Indoor occupancy factor | 0.8 | |
| Fr | Ratio of indoor to outdoor air concentration | 0.3 | |
| d | Combined effective dose coefficient for the 232Th, 238U and 235U series (see Table 5) | 0.05356 |
Sv Bq−1
|
|
Activity concentration in samplers | 5.97a | mBq m−3 |
| m | Needed mass of neodymium per 3 MW turbine | 560 | kg |
| Mmine | Total mass of produced rare-earth metals | 55 000 000 | kg |
| Msmelting | Total mass of produced rare-earth metals | 55 000 000 | kg |
|
Number of exposed inhabitants in Bayan Obo | 23 000 | |
|
Number of exposed inhabitants in Baotou City | 1 510 000 |