CHENNAI METROPOLITAN WATER SUPPLY AND SEWERAGE BOARD

  QUALITY ASSURANCE WING

         Daily report of residual chlorine level in City water supply distribution system

                    Residual Chlorine Report On: 22.07.08

 

AREA

R.C. in p.p.m.

I

II

III

IV

V

VI

VII

VIII

IX

X

Total

More than 2.0

3

-

10

1

-

4

 9 - -

2

29

1.0 to 2.0 

2

-

3

17

9

17

7

-

 -

22

77

0.6 to 0.9

24

-

8

3

3

-

-
-

-

 1

 39

0.2 to 0.5

5

 -

-
4

2

2

-

-

10

-

23

Less than 0.2

 -

-

-

-

-

-

-

 -

-

-

0

Total

34 0

21

25

14

23

 16

0

10

25

168

 

   

*  ppm – Parts per million or milligrams per liter

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