Table 10. Exposure assessment of detected heavy metals in convenience foods

Heavy metals Concentration (mg/kg) EDI1) (μg/kg b.w./day) Weekly intake2) (μg/kg b.w./week) PTWI3) (μg/kg b.w./week) %PTWI4) Monthly intake5) (μg/kg b.w./month) PTMI6) (μg/kg b.w./month) %PTMI7)
Pb 0.011 0.0384 0.2689 25 1.0757 - - -
As 0.0086 0.0300 0.2103 15 1.4017 - - -
Cd 0.0049 0.0171 - - - 0.5134 25 2.0536
Estimated daily intake = residual mean concentration (mg/kg) × 1000 × daily food intake (kg/day) / 66.57 kg (Mean body weight of Korean adults referenced from NHIS, 2024).
Weekly intake = (EDI × 7).
Provisional tolerable weekly intake.
%PTWI = (weekly intake / PTWI) × 100.
Monthly intake = (EDI × 30).
Provisional tolerable monthly intake.
%PTMI = (monthly intake / PTMI) × 100.