The levels of metal ions in (mg/l) in untreated

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±0.005^a	0.018±0.009^a	0.014±0.006^c	4.431±0.505^a	150.193±13.390^a	0.001±0.001^a
Bathroom	0.626±0.253^a	0.021±0.003^a	0.028±0.003^a	5.364±0.542^a	165.625±15.731^a	0.006±0.001^a
Laundry	3.813±0.144^b	0.164±0.016^c	0.029±0.007^c	4.840±0.599^a	190.049±20.833^b	0.005±0.064^a
Kitchen	16.522±2.524^c	0.307±0.061^b	0.018±0.005^b	5.740±0.690^a	200.938±23.749^b	0.001±0.001^a
Matrix	2.661±0.321^b	0.225±0.028^b	0.024±0.006^c	4.956±0.138^a	171.159±9.670^a	0.003±0.002^a

The same superscript indicates no significant difference.

Table 1: The levels of metal ions in (mg/l) in untreated grey water.

Goto home»