|
| c0 | c1 | c2 | c3 | ||||
|
| median | mean | median | mean | median | mean | median | mean |
| As | 9.3 | 8.9 | 29.5 | 54.9 | 20 | 169 | 88 | 738 |
| Cd | 0.3 | 0.3 | 0.8 | 0.8 | 2.1 | 2.9 | 10.9 | 84.8 |
| Co | 19.3 | 19.3 | 12.2 | 11.8 | 19.3 | 16.8 | 50.0 | 46.5 |
| Cr | 45 | 38 | 57 | 56 | 85 | 152 | 1081 | 2445 |
| Cu | 11 | 14 | 49 | 50 | 107 | 185 | 513 | 1097 |
| Hg | 0.13 | 0.13 | 0.07 | 0.17 | 0.24 | 0.67 | 6.5 | 80.3 |
| Mo | nd | nd | 0.6 | 0.8 | 1.0 | 1.5 | 489 | 488 |
| Ni | 6.1 | 8.7 | 24.8 | 22.3 | 14.1 | 55.3 | 176 | 755 |
| Pb | 29 | 27 | 56 | 64 | 203 | 221 | 1855 | 3635 |
| Tl | nd | nd | 0.54 | 0.72 | 0.68 | 0.84 | 3.69 | 15.17 |
| Zn | 58 | 66 | 114 | 126 | 273 | 417 | 901 | 11329 |