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 (August 2018)

 

Date

Maximum Outlet Temperature Rise

(Deg. Celsius)

1/8/2018

8.0

2/8/2018

8.0

3/8/2018

7.9

4/8/2018

7.9

5/8/2018

8.0

6/8/2018

8.0

7/8/2018

8.0

8/8/2018

8.0

9/8/2018

7.9

10/8/2018

7.9

11/8/2018

*

12/8/2018

7.9

13/8/2018

8.0

14/8/2018

7.9

15/8/2018

8.0

16/8/2018

8.0

17/8/2018

7.9

18/8/2018

8.0

19/8/2018

8.0

20/8/2018

8.0

21/8/2018

7.9

22/8/2018

8.0

23/8/2018

8.0

24/8/2018

8.0

25/8/2018

8.0

26/8/2018

8.0

27/8/2018

7.9

28/8/2018

7.9

29/8/2018

8.0

30/8/2018

7.9

31/8/2018

8.0

Note: * - Unit L9 was not on load.

Total Residual Chlorine Level at C.W. Outfall No. 3 (August 2018)

 

Date of sampling

03/08/2018

17/08/2018

31/08/2018

Total Residual Chlorine, mg/L

0.35

0.40

0.40

 

Blowdown from Unit L9 Steam Turbine and HRSG to C.W. Outfall No. 3 (August 2018)

 

Source of discharge

HSRG

Steam Turbine

Date of sampling

22/8/2018

22/8/2018

Suspended Solid, mg/L

13

12

Grease & Oil, mg/L

<10

<10

Temperature, Deg. Celsius

31

31