Lamma Power Station Extension - Summary Results on Water Quality Monitoring

 

Maximum Outlet Temperature Rise (Deg. Celsius) of Cooling Water at C.W. Outfall No.3 Serving L9 Condensers

 

Weighted by Flowrates of Individual Streams (December 2010)

 

Date

Maximum Outlet Temperature Rise

(Deg. Celsius)

1/12/2010

8.6

2/12/2010

8.6

3/12/2010

8.6

4/12/2010

8.6

5/12/2010

8.7

6/12/2010

8.7

7/12/2010

8.6

8/12/2010

8.7

9/12/2010

8.8

10/12/2010

8.7

11/12/2010

8.8

12/12/2010

9.0

13/12/2010

9.5*

14/12/2010

8.4

15/12/2010

8.4

16/12/2010

8.1

17/12/2010

8.2

18/12/2010

8.2

19/12/2010

8.3

20/12/2010

8.3

21/12/2010

8.4

22/12/2010

8.3

23/12/2010

8.3

24/12/2010

8.3

25/12/2010

8.2

26/12/2010

8.2

27/12/2010

8.2

28/12/2010

8.2

29/12/2010

8.3

30/12/2010

8.3

31/12/2010

8.2

Note:   * Weighted maximum outlet temperature rise reached 9.49oC on 13 December 2010. Actions were taken immediately and the temperature rise was maintained below the Action Level of 9.5oC.

 

Total Residual Chlorine Level at C.W. Outfall No. 3 (December 2010)

 

Date of sampling

2/12/2010

18/12/2010

30/12/2010

Total Residual Chlorine, mg/L

0.40

0.40

0.45