parameter Measure units value
pH   8.10
Total moisture % 80.29
Total solids (TS) % 19.71
Residue at 550° % 48.28
Lost to calcination % 51.72
Total organic carbon (TOC) % on DS 28.86
Total Cd mg kg-1 DS 3.05
Total Cr mg kg-1 DS 194
Total Cu mg kg-1 DS 612
Total Ni mg kg-1 DS 125
Total Pb mg kg-1 DS 82.0
Total Zn mg kg-1 DS 1031
Table 2: Mean values of chemical-physical parameters of the sludge.