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

Environmental Systems Research

Table 6 Mean HQ values of PTEs via intake of vegetables from wastewater irrigated farms

Elements	Individual	Eth. Kale	Lettuce	Cabbage	S. chard	Carrot	Potato	Average HQ
Cr	Adults	0.007	0.011	0.007	0.008	0.009	0.006	0.008
Cr	Children	0.008	0.012	0.008	0.009	0.011	0.007	0.009
Mn	Adults	1.243	1.875	1.292	6.483	0.620	0.238	1.959
Mn	Children	1.428	2.155	1.485	7.453	0.712	0.274	2.251
Fe	Adults	1.568	4.272	3.152	3.196	1.891	0.897	2.496
Fe	Children	1.802	4.911	3.623	3.674	2.174	1.031	2.869
Cu	Adults	0.741	1.736	0.503	1.787	1.131	0.808	1.118
Cu	Children	0.852	1.995	0.578	2.055	1.301	0.929	1.285
Zn	Adults	0.768	1.013	0.498	1.188	0.474	0.301	0.707
Zn	Children	0.883	1.165	0.572	1.366	0.545	0.346	0.813
As	Adults	1.522	2.057	1.646	2.417	1.029	0.617	1.548
As	Children	1.750	2.365	1.892	2.779	1.182	0.709	1.780
Sr	Adults	1.051	0.316	0.674	0.472	0.219	0.028	0.46
Sr	Children	1.208	0.364	0.775	0.542	0.252	0.032	0.529
Cd	Adults	0.494	0.602	0.247	0.633	0.288	0.216	0.413
Cd	Children	0.568	0.692	0.284	0.727	0.331	0.248	0.475
Ba	Adults	1.442	0.558	0.977	2.134	0.582	0.061	0.959
Ba	Children	1.657	0.641	1.123	2.454	0.669	0.070	1.102
B	Adults	0.672	0.654	0.524	1.040	0.552	0.188	0.605
B	Children	0.773	0.751	0.602	1.196	0.635	0.216	0.696
V	Adults	0.001	0.003	0.002	0.002	0.001	0.0007	0.0017
V	Children	0.002	0.003	0.002	0.003	0.002	0.0008	0.0021
Co	Adults	0.008	0.042	0.030	0.049	0.022	0.019	0.028
Co	Children	0.009	0.048	0.035	0.056	0.025	0.021	0.032
Ni	Adults	0.194	0.560	0.389	0.454	0.309	0.170	0.346
Ni	Children	0.223	0.644	0.447	0.522	0.355	0.195	0.398