Table 5.
The comparison of heavy metal contents in the soil from the area of Iława Główna railway junction in 1995 and 2008 depending on place (milligrams per kilogram dry weight)
| Heavy metal | Siding | Loading | Platform | Cleaning | Control | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1995 | 2008 | 1995 | 2008 | 1995 | 2008 | 1995 | 2008 | 1995 | 2008 | |||
| Lead | 506 | 494 | 62 | 84 | 55 | 177 | 273 | 204 | 22 | 11 | 6 | 8 |
| Cadmium | 5.2 | 5.1 | 0.7 | 0.8 | nd | 1.3 | 2.8 | 1.9 | nd | n.d. | n.d. | nd |
| Copper | 115 | 161 | 25 | 37 | 24 | 326 | 113 | 418 | 6 | 4 | 4 | 4 |
| Zinc | 704 | 1,223 | 95 | 228 | 84 | 897 | 1,244 | 563 | 45 | 23 | 18 | 23 |
| Mercury | 0.26 | 0.97 | 0.02 | 0.046 | 0.01 | 0.144 | 2.28 | 0.76 | 0.04 | 0.05 | 0.01 | 0.01 |
| Iron | 50,600 | 39,700 | 10,800 | 11,900 | 11,600 | 59,700 | 40,000 | 34,300 | 5,300 | 4,500 | 5,000 | 4,400 |
| Cobalt | 6 | 8 | 2 | 3 | 2 | 6 | 8 | 6 | 1 | 1 | 2 | 1 |
| Chromium | 81 | 58 | 10 | 11 | 14 | 62 | 32 | 33 | 5 | 6 | 8 | 5 |
| Molybdenum | 3 | 2 | nd | n.d. | nd | 4 | 2 | 1 | nd | n.d. | 1 | nd |