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 (April 2011)

Date	Maximum Outlet Temperature Rise (Deg. Celsius)
1/4/2011	8.5
2/4/2011	8.6
3/4/2011	8.5
4/4/2011	8.4
5/4/2011	8.5
6/4/2011	8.5
7/4/2011	8.5
8/4/2011	8.6
9/4/2011	8.5
10/4/2011	8.6
11/4/2011	8.7
12/4/2011	8.6
13/4/2011	8.6
14/4/2011	8.6
15/4/2011	8.6
16/4/2011	8.6
17/4/2011	8.6
18/4/2011	8.5
19/4/2011	8.5
20/4/2011	8.5
21/4/2011	8.5
22/4/2011	8.5
23/4/2011	8.5
24/4/2011	8.5
25/4/2011	8.4
26/4/2011	8.5
27/4/2011	8.6
28/4/2011	8.7
29/4/2011	8.5
30/4/2011	8.5

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

Date of sampling	07/04/2011	20/04/2011
Total Residual Chlorine, mg/L	0.40	0.45