Table 3 Parameter values related to health risk assessment methods (adults and children).
Parameter | Meaning | Value | Unit | |
---|---|---|---|---|
Adults | Children | |||
Cw | The concentration of heavy metals | Measured values | Measured values | mg L−1 |
IR | Ingestion rate | 1.542 | 1 | L d−1 |
EF | Exposure frequency | 365 | 365 | d a−1 |
BW | The average body weight | 58.1 | 15.0 | kg |
SA | Surface area in contact with the skin | 18,000 | 6000 | cm2 |
ET | Exposure time | 0.6333 | 0.4167 | h d−1 |
CF | Volume conversion factor | 1 | 1 | mL cm−3 |