Table 2: Physio-chemical characteristics of sludge polluted (PO) and clean reference. (CR) seawater.

Parameters PO CR
COD (mg/L) 65.70 ± 0.53* 30.6 ± 0.69
BOD (mg/L) 14.38 ± 0.20 6.72 ± 0.30
Electrical conductivity (salinity; µS) 428.6 ± 0.74 445.7 ± 0.20
Total solids (TS; mg/L) 58.06 ± 0.26* 41.8 ± 0.10
Total suspended solids (TSS; mg/L) 1.49 ± 0.007* 1.23 ± 0.016
Total dissolved solids (TDS; mg/L) 56.67 ± 0.06 40.6 ± 0.04
pH 5.39 ± 0.008 5.49 ± 0.008

Values are presented as means ± SE (n = 5). (*P ≤ 0.05)