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: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

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