Water
Category
Fe (p=0.000)
Mean±SE
Mn (p=0.000)
Mean±SE
Pb(p=0.000)
Mean±SE
Mg(p=0.051)
Mean±SE
Ca (p=0.005)
Mean±SE
Hg(p= 0.050)
Mean±SE
Tap water 0.006±0.005a 0.018±0.009a 0.014±0.006c 4.431±0.505a 150.193±13.390a 0.001±0.001a
Bathroom 0.626±0.253a 0.021±0.003a 0.028±0.003a 5.364±0.542a 165.625±15.731a 0.006±0.001a
Laundry 3.813±0.144b 0.164±0.016c 0.029±0.007c 4.840±0.599a 190.049±20.833b 0.005±0.064a
Kitchen 16.522±2.524c 0.307±0.061b 0.018±0.005b 5.740±0.690a 200.938±23.749b 0.001±0.001a
Matrix   2.661±0.321b 0.225±0.028b 0.024±0.006c 4.956±0.138a 171.159±9.670a 0.003±0.002a
The same superscript indicates no significant difference.
Table 1: The levels of metal ions in (mg/l) in untreated grey water.