Table 1.

The parameters values which are used in health risk assessment method^{1, 41}.

Parameters	Symbol	Unit	Children (2–10)	Teenagers (11–20)	Adults (> 20)
Exposure duration	ED	Year	6	6	6
Bodyweight	BW	Kg	16	45	62
Ingestion rate	IR	L/d	1.5	2.2	2.8
Exposure frequency	EF	days/year	345	345	345
Average time	AT	days	EF*ED	EF*ED	EF*ED