Harmful Chemicals in Soil and Risk Assessment of an Abandoned Open Dumpsite in Eastern China

Table 2

Variables used to assess human exposure to the soil.

Parameters	Reference value
	Adults	Children
IngR/mg⋅d^−1	100	200
InhR/m^3⋅d^−1	12.80	7.63
EF/d	350	320
ED/yrs	24	6
BW/kg	56.8	15.9
AT/d	24 × 365 = 8,760	6 × 365 = 2,190
	For carcinogenic risk, AT = 72 × 365 = 26,280
SA/cm^2	2,145	1,150
SL/mg⋅cm^−2	0.07	0.20
ABS/—	For As, ABS = 0.03; for other heavy metals, ABS = 0.001
PEF/m^3⋅kg^−1