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 2019)

Date	Maximum Outlet Temperature Rise (Deg. Celsius)
1/6/2019	7.8
2/6/2019	7.8
3/6/2019	7.8
4/6/2019	7.8
5/6/2019	7.8
6/6/2019	7.8
7/6/2019	7.8
8/6/2019	7.8
9/6/2019	7.8
10/6/2019	7.9
11/6/2019	7.8
12/6/2019	7.9
13/6/2019	8.0
14/6/2019	8.0
15/6/2019	8.0
16/6/2019	7.9
17/6/2019	8.0
18/6/2019	8.0
19/6/2019	7.8
20/6/2019	7.8
21/6/2019	7.8
22/6/2019	7.8
23/6/2019	7.8
24/6/2019	7.8
25/6/2019	7.8
26/6/2019	7.8
27/6/2019	7.8
28/6/2019	7.8
29/6/2019	7.8
30/6/2019	7.9

Total Residual Chlorine Level at C.W. Outfall No. 3 (June 2019)

Date of sampling	06/06/219	21/06/2019
Total Residual Chlorine, mg/L	0.35	0.40