| Sampling Months | 8 Miles Market | Marian Market | Watts Market | Mbukpa Market | ||||||||||||||||
| ILCR | CCR | ILCR | CCR | ILCR | CCR | ILCR | CCR | |||||||||||||
| Pb | Cd | Hg | As | Pb | Cd | Hg | As | Pb | Cd | Hg | As | Pb | Cd | Hg | As | |||||
| June | 1.8 × 10−6 | 4.0 × 10−2 | - | 3.6 × 10−2 | 7.6 × 10−2 | 1.0 × 10−6 | 3.1 × 10−2 | - | 4.5 × 10−2 | 7.6 × 10−2 | 1.5 × 10−6 | 3.2 × 10−2 | - | 5.0 × 10−2 | 8.2 × 10−2 | 1.0 × 10−2 | 4.0 × 10−2 | - | 5.9 × 10−2 | 9.9 × 10−2 |
| July | 1.0 × 10−6 | 3.3 × 10−2 | - | 4.5 × 10−2 | 7.8 × 10−2 | 1.0 × 10−6 | 3.7 × 10−2 | - | 4.5 × 10−2 | 8.2 × 10−2 | 1.0 × 10−6 | 3.4 × 10−2 | - | 5.9 ×10−2 | 9.3 × 10−2 | 1.3 × 10−6 | 4.1 × 10−2 | - | 4.5 × 10−2 | 8.6 × 10−2 |
| August | 2.8 × 10−6 | 7.4 ×10−2 | - | 5.4 × 10−2 | 1.3 × 10−1 | 2.8 × 10−6 | 7.6 × 10−2 | - | 6.3 × 10−2 | 1.1 × 10−1 | 3.6 × 10−6 | 7.0 × 10−2 | - | 6.8 × 10−2 | 1.4 × 10−1 | 3.8 × 10−6 | 6.5 × 10−2 | - | 5.9 × 10−2 | 1.2 × 10−1 |
| Average | 1.8 × 10−6 | 4.9 × 10−2 | - | 4.5 × 10−2 | 9.5 × 10−2 | 1.6 × 10−6 | 4.8 × 10−2 | - | 5.1 × 10−2 | 8.9 × 10−2 | 2.4 × 10−6 | 4.7 × 10−2 | - | 5.9 × 10−2 | 1.1 × 10−1 | 2.0 × 10−6 | 4.8 × 10−2 | - | 5.4 × 10−2 | 1.0 × 10−1 |