The analysis of groundwater nitrate pollution and health risk assessment in rural areas of Yantai, China

BMC Public Health

Table 1 Calculation parameters used in the HHRA model

Variables	Implication	Value			Unit
Variables	Implication	Adult male	Adult female	Juveniles	Unit
IR	Water intake rate	2.0	2.0	0.67	L/d
BW	Average body weight	69.55	60.4	8.65	kg
SA	Surface area of contactable skin	1700	1600	3416.0	cm²
EV	Frequency of bathing	1	1	–	times/d
CF	Conversion factor	0.002	0.002	–	L/cm³
K_i	Dermal permeability coefficient	0.001	0.001	–	cm/h

ISSN: 1471-2458