Table 7 Mean health hazard indices for trace elements in children.

Element	RfD₀	FC		F1		F2		F3		F4
Element	RfD₀	DEI_C	HHI_C	DEI_C	HHI_C	DEI_C	HHI_C	DEI_C	HHI_C	DEI_C	HHI_C
Arsenic	0.3	0.02	0.06	0.01	0.04	0.01	0.03	<0.01	0.01	0.01	0.03
Cadmium	1	<0.01	<0.01	<0.01	<0.01	<0.01	<0.01	NA	NA	<0.01	<0.01
Chromium	1500	6.53	<0.01	4.24	<0.01	4.04	<0.01	3.82	<0.01	4.72	<0.01
Copper	40	5.74	0.14	4.33	0.11	4.06	0.10	5.11	0.13	4.17	0.10
Iron	700	77.1	0.11	73.4	0.11	64.6	0.09	75.4	0.11	81.2	0.12
Lead	3.5	0.04	0.01	0.02	0.01	0.42	0.12	0.55	0.16	0.70	0.20
Nickel	20	3.85	0.20	2.67	0.13	2.68	0.13	2.44	0.12	3.11	0.16
Zinc	300	52.1	0.17	43.9	0.15	24.7	0.08	11.6	0.04	33.4	0.11

HHI_C mean health hazard index for children, DEI_C mean daily element intake from surface soil through corn for children, RfD₀ reference dose of the element. DEI_C and RfD₀ in µg/person/day/kg bwt, NA not applicable.

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