Health Risk Assessment and Levels of Heavy Metals in Farmed Nile Tilapia (Oreochromis niloticus) from the Volta Basin of Ghana

Table 7

EDI of heavy metals in tilapia for children and adults for carcinogenic risk.

	Fish farm A		Fish farm B		Fish farm C		Control
Metal	Children	Adults	Children	Adults	Children	Adults	Children	Adults
Zn	2.36E − 06	1.26E − 06	2.43E − 06	1.30E − 06	2.07E − 06	1.11E − 06	1.11E − 06	5.76E − 07
Fe	4.25E − 05	2.28E − 05	5.71E − 05	3.06E − 05	4.51E − 05	2.42E − 05	1.27E − 05	6.60E − 06
Mn	3.89E − 06	2.08E − 06	2.01E − 06	1.08E − 06	2.80E − 06	1.50E − 06	8.80E − 07	4.59E − 07
Ni	1.85E − 06	9.90E − 07	3.12E − 06	1.67E − 06	2.28E − 06	1.22E − 06	7.43E − 07	3.87E − 07
Cr	3.53E − 07	1.89E − 07	—	—	3.76E − 07	2.02E − 07	1.14E − 07	5.96E − 08
As	—	—	—	—	—	—	2.63E − 07	1.37E − 07