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 (February 2011)

Date	Maximum Outlet Temperature Rise (Deg. Celsius)
1/2/2011	*
2/2/2011	*
3/2/2011	*
4/2/2011	*
5/2/2011	*
6/2/2011	*
7/2/2011	*
8/2/2011	*
9/2/2011	*
10/2/2011	7.1
11/2/2011	6.9
12/2/2011	*
13/2/2011	*
14/2/2011	*
15/2/2011	*
16/2/2011	*
17/2/2011	*
18/2/2011	8.7
19/2/2011	8.7
20/2/2011	8.1
21/2/2011	8.2
22/2/2011	9.1
23/2/2011	8.9
24/2/2011	9.0
25/2/2011	9.0
26/2/2011	8.9
27/2/2011	9.0
28/2/2011	9.0

Note: * Unit L9 was not on load.

Total Residual Chlorine Level at C.W. Outfall No. 3 (February 2011)

Date of sampling	25/02/2011
Total Residual Chlorine, mg/L	0.45