Table 6. Slope factors and reference dose of Pb and Cd

Element SF (mg/kg/day) RfD (mg/kg/day)
Pb1) 0.0085 0.0005
Cd 0.382) 0.0013)
MOE (Ministry of Environment, 2018).
RAI (Risk Assessment Information System, 2011).
US EPA (1991, 1992).