| Element | Sed | Soil | TEL | PEL | Esperanza (54) | Castañuela (20) | |||||
| (µg/g) | Min | Max | Mean | Min | Max | Mean | |||||
| (µg/g) | (µg/g) | ||||||||||
| Cr | 37.3 | 64 | 52.30 | 160.0 | 75 | 430.2 | 268.5 | 278.9 | 628.2 | 378.5 | |
| Ni | 17.0 | 45 | 15.90 | 42.8 | 0 | 111.2 | 37.4 | 20.3 | 69.8 | 40.0 | |
| Cu | 35.7 | 63 | 18.70 | 108.0 | 0 | 56.3 | 11.8 | 2.0 | 7.2 | 4.2 | |
| Zn | 123 | 250 | 124.00 | 271.0 | 15.1 | 129.5 | 55.9 | 21.0 | 68.9 | 40.5 | |
| As | 5.9 | 5.2 | 7.24 | 41.2 | 0 | 4.4 | 1.3 | 2.2 | 4.1 | 2.9 | |
| Hg | 0.17 | 6.6 | 0.13 | 0.7 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Cd | 0.6 |
| 0.6 | 3.5 |
| 0 | 0 | 2.1 | 3.1 | 2.5 | |
| Pb | 35.0 | 70 | 30.20 | 112.0 | 21.2 | 53.9 | 37.7 | 12.3 | 58.7 | 38.8 | |