Heavy metals |
Drinking water (mg/L) |
Drinking water (mg/L) |
Drinking
water (mg/L) |
Drinking water (mg/L) |
|
WHO
|
CPCB
|
ICMR
|
BIS 10500-
2012
|
As |
0.05 |
NR |
0.05 |
0.01 |
Cd |
0.005 |
NR |
0.01 |
0.003 |
Pb |
0.05 |
NR |
0.05 |
0.01 |
Ni |
Data Not available |
Data Not available |
Data Not available |
0.02 |
Hg |
0.001 |
NR |
0.001 |
0.001 |
Zn |
5.0 |
15.0 |
0.1 |
5 |
Cr |
0.1 |
NR |
- |
0.05 |
Cu |
1.0 |
1.5 |
1.5 |
0.05 |