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 (March 2012)

 

Date

Maximum Outlet Temperature Rise

(Deg. Celsius)

1/3/2012

8.4

2/3/2012

*

3/3/2012

6.2

4/3/2012

7.0

5/3/2012

8.1

6/3/2012

7.8

7/3/2012

7.9

8/3/2012

7.8

9/3/2012

7.6

10/3/2012

7.8

11/3/2012

7.8

12/3/2012

7.8

13/3/2012

7.8

14/3/2012

7.8

15/3/2012

7.9

16/3/2012

7.9

17/3/2012

7.9

18/3/2012

7.9

19/3/2012

7.9

20/3/2012

7.8

21/3/2012

8.1

22/3/2012

8.0

23/3/2012

8.0

24/3/2012

7.8

25/3/2012

7.9

26/3/2012

8.0

27/3/2012

8.0

28/3/2012

8.1

29/3/2012

8.0

30/3/2012

8.1

31/3/2012

8.0

Note: * Unit L9 condenser was not in operation.

Total Residual Chlorine Level at C.W. Outfall No. 3 (March 2012)

 

Date of sampling

8/3/2012

23/3/2102

Total Residual Chlorine, mg/L

0.40

0.45

 

Blowdown from Unit L9 Steam Turbine and HRSG to C.W. Outfall No. 3 (March 2012)

 

Date of sampling

26/3/2012

26/3/2012

Source of Discharge

HSRG

Steam Turbine

Suspended Solid, mg/L

12

11

Grease & Oil, mg/L

<10

<10

Temperature, Deg. Celsius

35

34