Sampling sites Cd(wet season) Cd(wet season) excluding Se Cd(dry season) Cd(dry season) excluding Se
R1 0.041 0.041 0.049 0.049
R2 1.067 0.067 0.065 0.065
Average 0.550 0.050 0.060 0.060
E1 15.00 0.200 8.420 0.420
E2 14.06 0.460 0.240 0.240
Average 14.530 0.330 4.330 0.330
Table 4: Contamination degree (Cd) at each sample site along the Isipingo River and Estuary.