CHENNAI METROPOLITAN WATER SUPPLY AND SEWERAGE BOARD
QUALITY ASSURANCE WING
Residual Chlorine Report On:28.07.2010
|
AREA
|
||||||||||
|
R.C. in p.p.m. |
I |
II |
III |
IV |
V |
VI |
VII |
VIII |
IX |
X |
Total |
|
More than 2.0 |
15 |
18 |
20 |
- |
- |
1 |
7 | - | 2 |
- |
63 |
|
1.0 to 2.0 |
27 |
12 |
1 |
1 |
1 |
- |
2 |
1 |
23 |
- |
68 |
|
0.6 to 0.9 |
1 |
3 |
- |
- |
- |
4 |
1 |
6 |
5 |
4 |
24 |
|
0.2 to 0.5 |
4 |
3 |
- |
- |
- |
4 |
2 |
- |
2 |
- |
15 |
|
Less than 0.2 |
- |
-
|
- |
- |
- |
- |
- |
- |
- |
- |
0 |
|
Total
|
47 |
36 |
21 |
1 |
1 |
9 |
12 |
7 |
32 |
4 |
170 |
* ppm – Parts per million or milligrams per liter