Parameters
Costain dumpsite
Third cemetery
Reference site
Nis (2007)
pH
6.200
4.960
6.800
6.50 - 8.50
Conductivity (EC)
99.900
118.000
12.000
1000.000
Total Dissolved Solid (TDS)
53.000
59.000
6.300
500.000
Calcium
2.400
3.840
NA
Magnesium
1.900
1.150
3.000
0.200
Sulphate
5.000
0.170
0.430
100.000
Nitrate
3.130
0.290
0.080
50.000
Phosphate
0.090
0.640
0.240
Chloride
21.300
44.520
18.400
250.000
Lead
0.005
0.010
0.000
Chromium
0.004
0.050
Zinc
0.040
0.020
0.300
Iron
0.060
Cadmium
Mercury