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. 2021 Jul 14;8:1445–1460. doi: 10.1016/j.toxrep.2021.07.007

Table 3.

THQ and Hazard Index for different heavy metals from consumption of two fish species obtained from Ogun and Eleyele River.

Site Specie Organ Target Hazard Quotient (THQ)
As Cd Co Cr Mn Ni Pb HI
Ogun River Clarias gariepinus Liver 0.232 0.246 0.008 0.0004 0.0015 0.246
Muscle 0.177 0.188 0.008 0.00005 0.0006 0.0034 0.188
Gills 2.907 2.925 0.013 0.0002 0.0009 0.003 2.925
Sarotherodon melanotheron Liver 1.15 0.006 0.018 0.0002 0.00001 0.0009 0.0038 1.179
Gills 0.958 0.005 0.016 0.0006 0.000007 0.0008 0.0041 0.984
Muscle 0.643 0.005 0.0004 0.00002 0.0007 0.0022 0.651
Eleyele River Clarias gariepinus Gills 0.346 0.005 0.01 0.0006 0.00002 0.0007 0.0035 0.366
Liver 0.004 0.009 0.0002 0.00002 0.0007 0.003 0.017
Muscle 0.682 0.003 0.018 0.0006 0.0003 0.0019 0.705
Sarotherodon melanotheron Gills 0.101 0.004 0.014 0.00006 0.00008 0.0005 0.121
Liver 0.0004 0.0007 0.0011 0.003
Muscle 0.001 0.001 0.00008 0.0003 0.0034 0.006