Health risk assessment and heavy metal contamination levels in vegetables from Tamale Metropolis, Ghana

Food Safety and Risk

Table 1 Input parameters to characterise the ADD Value (Wongsasuluk et al. 2014)

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	70
Child BW	BW	kg	16
Average time	AT	years	25,550 days

ISSN: 2731-9245