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 2007)

Date	Maximum Outlet Temperature Rise (Deg. Celsius)
01/04/2007	8.3
02/04/2007	8.7
03/04/2007	8.3
04/04/2007	8.6
05/04/2007	N.A.*
06/04/2007	N.A.*
07/04/2007	8.6
08/04/2007	8.4
09/04/2007	8.3
10/04/2007	8.6
11/04/2007	8.7
12/04/2007	8.7
13/04/2007	8.6
14/04/2007	8.3
15/04/2007	8.2
16/04/2007	8.6
17/04/2007	8.6
18/04/2007	8.3
19/04/2007	8.2
20/04/2007	8.2
21/04/2007	8.2
22/04/2007	8.3
23/04/2007	8.4
24/04/2007	8.5
25/04/2007	8.3
26/04/2007	8.4
27/04/2007	8.8
28/04/2007	8.8
29/04/2007	8.8
30/04/2007	8.7

Total Residual Chlorine Level at C.W. Outfall No. 3 (April 2007)

Date of sampling	12/04/2007	26/04/2007
Total Residual Chlorine, mg/L	0.30	0.30

Note:

1. * Unit L9 was not on load.