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 (September 2018)

Date	Maximum Outlet Temperature Rise (Deg. Celsius)
1/9/2018	7.9
2/9/2018	7.9
3/9/2018	7.9
4/9/2018	8.0
5/9/2018	8.0
6/9/2018	8.0
7/9/2018	8.0
8/9/2018	8.0
9/9/2018	8.0
10/9/2018	8.0
11/9/2018	8.0
12/9/2018	7.9
13/9/2018	8.0
14/9/2018	8.0
15/9/2018	8.0
16/9/2018	9.0
17/9/2018	9.2
18/9/2018	7.7
19/9/2018	7.8
20/9/2018	7.8
21/9/2018	7.8
22/9/2018	7.9
23/9/2018	7.9
24/9/2018	7.9
25/9/2018	7.9
26/9/2018	7.9
27/9/2018	7.9
28/9/2018	7.9
29/9/2018	7.9
30/9/2018	7.9

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

Date of sampling	14/09/2018	28/09/2018
Total Residual Chlorine, mg/L	0.35	0.40