Table 8.
Incremental Life Cancer Risk (ILCR) in different water sources in Anambra State.
| Heavy Metals | Borehole water |
Shallow well |
Harvested rain water |
Processed sachet water |
Stream water |
Total Cancer Risk (TCR) |
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Adults | Children | Adults | Children | Adults | Children | Adults | Children | Adults | Children | Adults | Children | |
| Lead | 1.34 × 10−5 | 6.23 × 10−5 | 2.67 × 10−5 | 1.25 × 10−4 | 3.74 ×−5 | 1.75 × 10−4 | 3.21 × 10−5 | 1.50 × 10−4 | 2.67 × 10−5 | 1.25 × 10−4 | 1.36 × 10−5 | 4.24 × 10−4 |
| Cadmium | 3.96 × 10−2 | 1.8 × 10−1 | 5 × 10−2 | 2.1 × 10−1 | 5 × 10−2 | 2.2 × 10−1 | 5 × 10−2 | 2.2 × 10−1 | 5 × 10−2 | 2.5 × 10−1 | 1.4 × 10−1 | 6.4 × 10−1 |
| TCR = ∑(ILCR) | 0.23 | 1.09 | ||||||||||