Parameters | Meaning | Units | Values | Sources | |
children | Adults | ||||
I.R. | Daily water ingestion rate | l∙d−1 | 1.5 | 2 | |
ET | Exposure time | h∙d−1 | 1 | 0.58 | |
E.F. | Exposure frequency | d∙year−1 | 350 | 350 | |
E.D. | Exposure duration | year | 6 | 30 | |
BW | Body weight | kg | 28 | 70 | |
AT | Average exposure time | d | 2190 | 10,950 | |
SA | Skin area | cm2 | 6600 | 18,000 | |
Kp | Dermal permeability coefficient | cm∙h−1 | 10−4 (Pb) and 10−3 (Hg, Cd and As) | ||
Fc | Conversion factor | l∙cm−3 | 10−3 |