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 Condensers

Weighted by Flowrates of Individual Streams (June 2020)

Date	Maximum Outlet Temperature Rise (Deg. Celsius)
1/6/2020	7.2
2/6/2020	7.2
3/6/2020	7.5
4/6/2020	7.5
5/6/2020	7.4
6/6/2020	7.3
7/6/2020	7.3
8/6/2020	7.2
9/6/2020	7.2
10/6/2020	7.2
11/6/2020	7.3
12/6/2020	7.3
13/6/2020	7.2
14/6/2020	7.2
15/6/2020	7.2
16/6/2020	7.3
17/6/2020	7.2
18/6/2020	7.2
19/6/2020	7.3
20/6/2020	7.3
21/6/2020	7.4
22/6/2020	7.3
23/6/2020	7.2
24/6/2020	7.2
25/6/2020	7.3
26/6/2020	7.3
27/6/2020	7.2
28/6/2020	7.3
29/6/2020	7.3
30/6/2020	7.3
31/5/2020	7.5

Total Residual Chlorine Level at C.W. Outfall No. 3 (June 2020)

Date of sampling	05/06/2020	19/06/2020
Total Residual Chlorine, mg/L	0.40	0.30