From: Health risk assessment and heavy metal contamination levels in vegetables from Tamale Metropolis, Ghana
Exposure parameters
Symbols
Units
Value
Concentration
C
mg / kg
–
Ingestion rate
IR
g/day
2.2
Exposure frequency
EF
days/year
365
Exposure duration
ED
years
70
Adult BW
BW
kg
Child BW
16
Average time
AT
25,550 days