| S/n | Exposure parameters | Symbols | Unit | Value |
| 1 | Conc. Of Element In Water | C | mg/l | As measured (from this study) |
| 2 | Exposure Duration | ED | Years | 70 for adults and 10 for children |
| 3 | Exposure Frequency | EF | Days/year | 365 |
| 4 | Average Time | AT | days | 25,550 for adults and 3650 for children |
| 5 | Body Weight | BW | Kg | 60 for adults and 25 for children |
| 6 | Ingestion Rate | IR | l/day | 2 for children and 3.45 for adults |