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 (September 2010)

 

Date

Maximum Outlet Temperature Rise

(Deg. Celsius)

1/9/2010

8.4

2/9/2010

8.3

3/9/2010

8.3

4/9/2010

8.3

5/9/2010

8.4

6/9/2010

8.7

7/9/2010

8.3

8/9/2010

8.4

9/9/2010

8.3

10/9/2010

8.4

11/9/2010

*

12/9/2010

*

13/9/2010

8.9

14/9/2010

8.9

15/9/2010

8.9

16/9/2010

8.9

17/9/2010

8.9

18/9/2010

8.4

19/9/2010

8.6

20/9/2010

8.6

21/9/2010

8.5

22/9/2010

8.5

23/9/2010

8.6

24/9/2010

8.6

25/9/2010

8.9

26/9/2010

8.6

27/9/2010

8.6

28/9/2010

8.6

29/9/2010

8.6

30/9/2010

8.6

* Unit L9 was not on load.


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

 

Date of sampling

08/09/2010

24/09/2010

Total Residual Chlorine, mg/L

0.45

0.35

 

 

Blowdown from Unit L9 Steam Turbine and HRSG to C.W. Outfall No. 3 (September 2010)

 

Date of Sampling

30/09/2010

30/09/2010

Source of Discharge

HSRG

Steam Turbine

Suspended Solid, mg/L

11

11

Grease & Oil, mg/L

<10

<10

Temperature, Deg. Celsius

34

36