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, L10 & L11 Condensers

Weighted by Flowrates of Individual Streams (November 2023)

Date	Maximum Outlet Temperature Rise (Deg. Celsius)
1/11/2023	6.1
2/11/2023	6.2
3/11/2023	6.3
4/11/2023	5.9
5/11/2023	5.6
6/11/2023	6.5
7/11/2023	6.5
8/11/2023	6.5
9/11/2023	6.5
10/11/2023	6.8
11/11/2023	6.7
12/11/2023	5.8
13/11/2023	5.7
14/11/2023	6.6
15/11/2023	6.7
16/11/2023	5.8
17/11/2023	5.6
18/11/2023	5.6
19/11/2023	5.9
20/11/2023	5.7
21/11/2023	5.9
22/11/2023	5.7
23/11/2023	5.7
24/11/2023	5.4
25/11/2023	5.3
26/11/2023	6.1
27/11/2023	6.1
28/11/2023	5.6
29/11/2023	5.6
30/11/2023	5.7

Total Residual Chlorine Level at C.W. Outfall No. 3 (November 2023)

Date of sampling	10/11	24/11
Total Residual Chlorine, mg/L	0.40	0.10