Health risk assessment of potentially toxic elements via consumption of vegetables irrigated with polluted river water in Addis Ababa, Ethiopia

Environmental Systems Research

Table 4 Bioconcentration factors (BCF) of PTEs from soil to vegetables

Elements	Eth. Kale	Lettuce	Cabbage	S. chard	Carrot	Potato	Average TF
Cr	0.051	0.058	0.078	0.033	0.057	0.055	0.055
Mn	0.026	0.043	0.035	0.13	0.014	0.006	0.042
Fe	0.005	0.015	0.015	0.01	0.007	0.004	0.009
Cu	0.215	0.474	0.178	0.473	0.322	0.266	0.321
Zn	0.553	0.795	0.354	0.906	0.392	0.227	0.538
As	0.034	0.046	0.043	0.052	0.023	0.014	0.035
Sr	4.398	1.413	1.874	2.269	1.044	0.144	1.857
Cd	0.466	0.59	0.25	0.591	0.295	0.217	0.402
Ba	0.315	0.129	0.169	0.483	0.146	0.016	0.21
B	162.72	73.911	37.711	353.901	58.944	33.767	120.159
V	0.008	0.017	0.015	0.012	0.008	0.003	0.011
Co	0.003	0.015	0.014	0.015	0.007	0.008	0.01
Ni	0.018	0.051	0.043	0.04	0.027	0.017	0.033