Table 3.

Input parameters used for non-carcinogenic human health risk assessment.

Input parameter	Details of input parameters
EC	Element concentration
DWI	Daily water intake (3.45 L per day-1 for adults, for children 2 L day-1)
EF	Exposure frequency (365 days year-1)
EP	Exposure period (70 years for adults, 10 years for children)
LE	Life expectancy (25,550 days for adults, 3250 days for children)
BW	Body weight (73 kg for adults, 32.7 kg for children)
Kp	Dermal permeability coefficient (0.001 cm h−1)
SA	Exposed skin area (18,000 cm2 for adults, 6600 cm2 for children)
ET	Exposure time (0.58 h day-1 for adults, 1 h day-1 for children)
CF	Unit conversion factor (0.001 L cm-3)
RfD*	Oral reference dose (mg kg-1 day-1)
	Al (1), Cr (0.003), Mn (0.014), Cu (0.04), Zn (0.3), As (0.003), Se (0.005), Cd (0.0005), and Pb (0.0035)
GIAB**	Gastrointestinal absorption factor
	Al (1), Cr (0.025), Mn (0.04), Cu (1), Zn (1), As (1), Se (1), Cd (0.025), and Pb (1)

*⁶⁶; **⁶⁷.