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)
5/3/2017 53 50 58 71 5/3/2017 15:00 - 15:59 64 53 69
11/3/2017 30 28 17 11 16:00 - 16:59 50 47 70
17/3/2017 45 58 39 26 17:00 - 17:59 46 42 44
23/3/2017 43 57 46 50 11/3/2017 15:00 - 15:59 19 24 12
29/3/2017 85 73 66 (30/3) 79 16:00 - 16:59 20 24 11
17:00 - 17:59 22 32 18
17/3/2017 15:00 - 15:59 30 27 25
16:00 - 16:59 29 31 23
17:00 - 17:59 33 36 36
23/3/2017 15:00 - 15:59 13 25 22
16:00 - 16:59 27 33 28
17:00 - 17:59 35 33 31
29/3/2017 15:00 - 15:59 75 74 78 (30/3)
16:00 - 16:59 82 80 75 (30/3)
17:00 - 17:59 82 83 70 (30/3)
Note:  TSP monitoring at AM3 (Ash Lagoon) was suspended on 29/03/2017 due to replacement work of TEOM TSP sampler.  
          Make-up 1-hour & 24-hr TSP sampling at AM3 was conducted on 30/03/2017.
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date Daily Maximum Stack NOx concentration (mg/Nm3)#
1/3/2017   63  
2/3/2017   71  
3/3/2017   65  
4/3/2017   63  
5/3/2017   59  
6/3/2017   61  
7/3/2017   65  
8/3/2017   63  
9/3/2017   67  
10/3/2017   59  
11/3/2017   62  
12/3/2017   61  
13/3/2017   56  
14/3/2017   62  
15/3/2017   65  
16/3/2017   63  
17/3/2017   61  
18/3/2017   61  
19/3/2017   59  
20/3/2017   59  
21/3/2017   60  
22/3/2017   63  
23/3/2017   61  
24/3/2017   64  
25/3/2017   64  
26/3/2017   67  
27/3/2017   73  
28/3/2017   66  
29/3/2017   58  
30/3/2017   55  
31/3/2017   60  
Note: 
# - Hourly average value.  Expressed as at 0¢XC, 101.325kPa, dry and corrected to 15% O2 condition