Table 8.

Carcinogenic risk of trace metals for adults and children.

Age Group	Type	Pathway	As	Cd	Total
Adults	Soil	Ingest	4.35 × 10−5	7.69 × 10−6	5.12 × 10−5
		Inhale	1.35 × 10−11	5.18 × 10−11	6.52 × 10−11
		Dermal	1.46 × 10−5	8.61 × 10−8	1.47 × 10−5
	Air	Inhale	4.47 × 10−11	8.30 × 10−11	1.28 × 10−10
		Dermal	4.59 × 10−5	1.31 × 10−7	4.61 × 10−5
	Water	Ingest	3.32 × 10−5	1.46 × 10−4	1.79 × 10−4
	Sediment	Ingest	2.00 × 10−5	2.40 × 10−5	4.39 × 10−5
		Dermal	1.34 × 10−5	5.37 × 10−7	1.39 × 10−5
	Crop	Ingest	2.35 × 10−5	2.88 × 10−4	3.12 × 10−4
	TCR		1.94 × 10−4	4.66 × 10−4	6.60 × 10−4
Children	Soil	Ingest	8.48 × 10−5	1.50 × 10−5	9.97 × 10−5
		Inhale	6.82 × 10−12	2.62 × 10−11	3.30 × 10−11
		Dermal	7.12 × 10−6	4.20 × 10−8	7.16 × 10−6
	Air	Inhale	2.44 × 10−11	4.54 × 10−11	6.99 × 10−11
		Dermal	2.24 × 10−5	6.38 × 10−8	2.25 × 10−5
	Water	Ingest	1.62 × 10−5	7.09 × 10−5	8.71 × 10−5
	Sediment	Ingest	3.89 × 10−5	4.68 × 10−5	8.57 × 10−5
		Dermal	1.68 × 10−6	6.72 × 10−8	1.74 × 10−6
	Crop	Ingest	1.54 × 10−5	1.89 × 10−4	2.04 × 10−4
	TCR		1.86 × 10−4	3.22 × 10−4	5.08 × 10−4

TCR: total cancer risk.