Lamma Power Station Extension - Air Quality Monitoring Data for unit L10/L11 (Construction)
24-hr TSP (µg/m3) 1-hr TSP (µg/m3)
Date Reservoir (AM1) East Gate (AM2) Ash Lagoon (AM3) Tai Yuen Village (AM4) Date Time Reservoir (AM1) East Gate (AM2) Ash Lagoon (AM3)
4/4/2017 63 86 55 29 4/4/2017 15:00 - 15:59 59 58 52
10/4/2017 40 46 20 (1) 16:00 - 16:59 62 60 56
12/4/2017 - - - 13 17:00 - 17:59 64 61 58
16/4/2017 37 40 27 38 10/4/2017 15:00 - 15:59 62 29 16
22/4/2017 48 70 29 8 16:00 - 16:59 26 32 9
28/4/2017 27 28 15 19 17:00 - 17:59 31 33 20
16/4/2017 15:00 - 15:59 14 18 14
16:00 - 16:59 41 19 16
17:00 - 17:59 21 20 16
22/4/2017 15:00 - 15:59 37 43 24
16:00 - 16:59 37 46 30
17:00 - 17:59 38 48 33
28/4/2017 15:00 - 15:59 35 21 12
16:00 - 16:59 24 22 12
17:00 - 17:59 18 25 14
Note:  (1) TSP monitoring at AM4 (Tai Yuen Village) was suspended on 10/04/2017 due to breakdown of MiniVol Portable Sampler.  
               Make-up 24-hr TSP sampling at AM3 was conducted on 12/04/2017.
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date Daily Maximum Stack NOx concentration (mg/Nm3)#
1/4/2017   63  
2/4/2017   66  
3/4/2017   62  
4/4/2017   59  
5/4/2017   55  
6/4/2017   52  
7/4/2017   51  
8/4/2017   53  
9/4/2017   52  
10/4/2017   51  
11/4/2017   52  
12/4/2017   62  
13/4/2017   64  
14/4/2017   62  
15/4/2017   58  
16/4/2017   56  
17/4/2017   55  
18/4/2017   53  
19/4/2017   52  
20/4/2017   52  
21/4/2017   53  
22/4/2017   63  
23/4/2017   63  
24/4/2017   62  
25/4/2017   57  
26/4/2017   56  
27/4/2017   60  
28/4/2017   62  
29/4/2017   61  
30/4/2017   61  
Note: 
# - Hourly average value.  Expressed as at 0¢XC, 101.325kPa, dry and corrected to 15% O2 condition