Table 6.

Daily intake from heavy metals via various exposure pathways (µg/kg/day).

Pathway	Pb	Zn	Cu	Cr	Cd	Ni	As
Soil ingestion	2.93 × 10−1	6.23 × 10−1	4.88 × 10−2	6.98 × 10−2	3.30 × 10−3	3.72 × 10−2	6.11 × 10−2
Soil dermal absorption	3.17 × 10−3	6.73 × 10−3	5.28 × 10−4	7.55 × 10−4	3.57 × 10−5	4.02 × 10−4	6.60 × 10−4
Soil inhalation	2.39 × 10−3	5.08 × 10−3	3.98 × 10−4	5.69 × 10−4	2.69 × 10−5	3.03 × 10−4	4.98 × 10−4
Vegetable diet	0.72	46.5	5.99	12.5	0.46	1.59	0.43
Rice diet	2.47	95.6	15.7	28.7	2.42	5.50	1.77