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 2009)

Date	Maximum Outlet Temperature Rise (Deg. Celsius)
01/06/2009	*
02/06/2009	6.1
03/06/2009	6.4
04/06/2009	7.1
05/06/2009	3.4
06/06/2009	8.3
07/06/2009	8.4
08/06/2009	*
09/06/2009	*
10/06/2009	*
11/06/2009	*
12/06/2009	*
13/06/2009	*
14/06/2009	*
15/06/2009	*
16/06/2009	*
17/06/2009	*
18/06/2009	*
19/06/2009	*
20/06/2009	*
21/06/2009	*
22/06/2009	*
23/06/2009	*
24/06/2009	*
25/06/2009	7.3
26/06/2009	8.4
27/06/2009	7.3
28/06/2009	8.9
29/06/2009	8.4
30/06/2009	8.4

Total Residual Chlorine Level at C.W. Outfall No. 3 (June 2009)

Date of sampling	30/06/2009
Total Residual Chlorine, mg/L	0.40

Notes:

1. * Unit L9 was not on load.