Emissions of metals (2) and non-metals
| Nickel | Manganese | Tin | Vanadium | Arsenic | Selenium | Chromium | |
|---|---|---|---|---|---|---|---|
| *Lower limits of hotspots in kg/km2/year; †children migrating >1.0 km of one address within 1.0 km of nearest hotspot and the other address outside 1.0 km. | |||||||
| Hotspot criteria* | 1.0 | 4.0 | 1.0 | 0.3 | 0.1 | 0.1 | 0.1 |
| Hotspots (1000s) | 71 | 48 | 55 | 188 | 174 | 91 | 120 |
| Number of children† | 2703 | 2500 | 2475 | 1582 | 1083 | 2232 | 1771 |
| Outward migration | 1041 | 1143 | 1108 | 582 | 453 | 1024 | 837 |
| Inward migration | 1662 | 1357 | 1367 | 1000 | 630 | 1208 | 934 |
| Ratios out/in | 0.626 | 0.842 | 0.811 | 0.582 | 0.719 | 0.848 | 0.896 |