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 (June 2011)

Date	Maximum Outlet Temperature Rise (Deg. Celsius)
1/6/2011	8.5
2/6/2011	8.5
3/6/2011	8.5
4/6/2011	8.6
5/6/2011	8.6
6/6/2011	8.7
7/6/2011	8.7
8/6/2011	8.7
9/6/2011	8.7
10/6/2011	8.7
11/6/2011	8.7
12/6/2011	8.6
13/6/2011	8.7
14/6/2011	8.6
15/6/2011	8.7
16/6/2011	8.6
17/6/2011	8.7
18/6/2011	8.7
19/6/2011	8.2
20/6/2011	8.7
21/6/2011	8.7
22/6/2011	8.6
23/6/2011	8.6
24/6/2011	8.6
25/6/2011	8.6
26/6/2011	6.4
27/6/2011	8.8
28/6/2011	8.8
29/6/2011	8.7
30/6/2011	8.7

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

Date of sampling	03/06/2011	16/06/2011
Total Residual Chlorine, mg/L	0.45	0.45