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 (December 2018)

Date	Maximum Outlet Temperature Rise (Deg. Celsius)
1/12/2018	8.3
2/12/2018	8.3
3/12/2018	8.3
4/12/2018	8.3
5/12/2018	8.3
6/12/2018	8.2
7/12/2018	8.1
8/12/2018	*
9/12/2018	8.0
10/12/2018	8.1
11/12/2018	8.1
12/12/2018	8.2
13/12/2018	8.2
14/12/2018	8.2
15/12/2018	8.3
16/12/2018	8.3
17/12/2018	8.3
18/12/2018	8.3
19/12/2018	8.3
20/12/2018	8.3
21/12/2018	8.3
22/12/2018	8.3
23/12/2018	8.3
24/12/2018	8.3
25/12/2018	8.4
26/12/2018	8.4
27/12/2018	8.4
28/12/2018	8.4
29/12/2018	8.3
30/12/2018	8.2
31/12/2018	8.2

Note: * Unit L9 was not on load.

Total Residual Chlorine Level at C.W. Outfall No. 3 (December 2018)

Date of sampling	07/12/2018	21/12/2018
Total Residual Chlorine, mg/L	0.40	0.40