Table 6.

Non-carcinogenic risk of trace metals for adults.

Type	Pathway	As	Cd	Cr	Cu	Ni	Pb	Zn	Total
Soil	Ingestion	2.82 × 10−1	3.68 × 10−3	4.51 × 10−2	1.58 × 10−3	3.03 × 10−3	7.63 × 10−2	1.71 × 10−3	4.13 × 10−1
	Inhalation	3.05 × 10−5	3.97 × 10−7	5.05 × 10−4	1.71 × 10−7	3.28 × 10−7	8.25 × 10−6	1.85 × 10−7	5.44 × 10−4
	Dermal contact	2.37 × 10−2	4.12 × 10−3	2.53 × 10−2	5.92 × 10−5	1.26 × 10−4	5.76 × 10−3	9.60 × 10−4	6.00 × 10−2
Air	Inhalation	1.01 × 10−4	6.37 × 10−7	4.58 × 10−4	4.96 × 10−7	1.29 × 10−7	1.54 × 10−5	5.72 × 10−7	5.76 × 10−4
	Dermal contact	7.45 × 10−2	6.26 × 10−3	2.17 × 10−2	1.62 × 10−4	4.68 × 10−5	1.02 × 10−2	2.81 × 10−3	1.16 × 10−1
Water	Ingestion	2.15 × 10−1	6.96 × 10−2	3.03 × 10−2	4.15 × 10−3	5.56 × 10−4	5.52 × 10−2	6.57 × 10−3	3.82 × 10−1
Sediment	Ingestion	1.29 × 10−1	1.15 × 10−2	1.62 × 10−2	1.98 × 10−3	1.04 × 10−3	5.47 × 10−2	1.84 × 10−3	2.17 × 10−1
	Dermal contact	2.17 × 10−2	2.57 × 10−2	1.82 × 10−2	1.48 × 10−4	8.60 × 10−5	8.25 × 10−3	2.06 × 10−3	7.61 × 10−2
Food	Ingestion	1.53 × 10−1	1.38 × 10−1	4.42 × 10−2	4.93 × 10−2	9.46 × 10−3	3.91 × 10−2	2.06 × 10−2	4.53 × 10−1
HI		8.99 × 10−1	2.59 × 10−1	2.02 × 10−1	5.74 × 10−2	1.43 × 10−2	2.50 × 10−1	3.66 × 10−2	1.72

HI: hazard index.