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Present Scenario<br />
Arsenic<br />
5 0 0<br />
A r s e n i c<br />
As (ppb)<br />
600<br />
400<br />
200<br />
A s ( p p b )<br />
4 0 0<br />
3 0 0<br />
2 0 0<br />
1 0 0<br />
0<br />
0<br />
Sulfate<br />
1 . 6<br />
N i t r a t e<br />
Sulfate (mg/l)<br />
30<br />
20<br />
10<br />
0<br />
N i t r a t e - N ( m g / l )<br />
1 . 2<br />
0 . 8<br />
0 . 4<br />
0<br />
Phosphate<br />
1 0<br />
A m m o n i a<br />
Phosphate<br />
(mg/l)<br />
6<br />
4<br />
2<br />
0<br />
A m m o n i a ( m g / l )<br />
8<br />
6<br />
4<br />
2<br />
0<br />
1 4 7 1 0 1 3 1 6 1 9 2 2 2 5 2 8 3 1 3 4 3 7 4 0 4 3 4 6<br />
UNICEF