Table 9.
Target Cancer Risk of Trace Metals from Consumption Across Treatment Types
| Metals | CPSo (mg/kg) | Target cancer risk21 | ||
|---|---|---|---|---|
|
| ||||
| MOF | UW | MOU | ||
| As | 1.5 | 0.236 | 1.0143 | 0.1225 |
| Cd | 0.38 | 6 10−5 | 10−3 | 4 10−4 |
| Cr | 0.5 | 5 10−3 | 2 10−3 | 3 10−3 |
| Cu | 0.7 | 5 10−3 | 3 10−3 | 4 10−2 |
| Ni | 1.7 | 3 10−3 | 3 10−3 | 4 10−3 |
| Pb | 0.0085 | 1.04 10−5 | 1.3 10−5 | 1.44 10−5 |
Abbreviation: MOF, well water treated with Moringa oleifera seeds and filtered; MOU, well water treated with Moringa oleifera seeds but not filtered; UW, untreated water; CPSO, Carcinogenic potency slope, oral exposure.