Research Article

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

Table 6

Noncarcinogenic HQ of heavy metals in cage tilapia for children and adults.

Fish farm AFish farm BFish farm CControl
MetalChildrenAdultsChildrenAdultsChildrenAdultsChildrenAdults

Zn9.20E − 059.87E − 069.47E − 051.02E − 058.10E − 058.67E − 064.30E − 054.63E − 06
Fe2.14E − 081.48E − 041.86E − 031.99E − 041.46E − 031.57E − 044.11E − 044.39E − 05
Mn3.25E − 033.49E − 041.67E − 031.80E − 042.34E − 032.51E − 047.36E − 047.86E − 05
Ni1.08E − 041.16E − 051.83E − 041.96E − 051.34E − 041.43E − 054.34E − 054.65E − 06
Cr1.38E − 031.48E − 041.47E − 031.58E − 044.43E − 044.77E − 05
As1.02E − 021.10E − 03
HI4.83E − 036.66E − 043.81E − 034.08E − 045.48E − 035.88E − 042.04E − 021.09E − 03