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)
1/10/2017 12 29 27 35 1/10/2017 15:00 - 15:59 35 27 30
7/10/2017 40 39 17 65 16:00 - 16:59 19 23 23
13/10/2017 (1) 69 56 63 17:00 - 17:59 28 22 21
17/10/2017 37 - - - 7/10/2017 15:00 - 15:59 65 54 67 (9/10)(2)
19/10/2017 58 75 43 22 16:00 - 16:59 49 38 51 (9/10)(2)
25/10/2017 66 63 60 71 17:00 - 17:59 47 37 43 (9/10)(2)
31/10/2017 103 92 94 89 13/10/2017 15:00 - 15:59 39 57 45
16:00 - 16:59 33 70 68
17:00 - 17:59 66 82 76
19/10/2017 15:00 - 15:59 73 71 78
16:00 - 16:59 48 72 64
17:00 - 17:59 49 65 51
25/10/2017 15:00 - 15:59 54 54 56
16:00 - 16:59 55 55 55
17:00 - 17:59 55 55 54
31/10/2017 15:00 - 15:59 108 92 93
16:00 - 16:59 108 90 87
17:00 - 17:59 99 88 82
Note:  (1) TSP monitoring at AM1 (Reservoir) was suspended on 13/10/2017 due to breakdown of High Volume Air Sampler.  
               Make-up 24-hr TSP sampling at AM1 was conducted on 17/10/2017.
          (2) TSP monitoring at AM3 (Ash Lagoon) was suspended on 07/10/2017 due to breakdown of TEOM TSP Sampler.  
               Make-up 1-hr TSP sampling at AM3was conducted on 09/10/2017.
Lamma Power Station Extension - Air Quality Monitoring Data for unit L9 (Operation)
Date Daily Maximum Stack NOx concentration (mg/Nm3)#
1/10/2017   53  
2/10/2017   51  
3/10/2017   52  
4/10/2017   51  
5/10/2017   53  
6/10/2017   53  
7/10/2017   52  
8/10/2017   52  
9/10/2017   52  
10/10/2017   53  
11/10/2017   52  
12/10/2017   53  
13/10/2017   61  
14/10/2017   61  
15/10/2017   57  
16/10/2017   50  
17/10/2017   53  
18/10/2017   56  
19/10/2017   55  
20/10/2017   58  
21/10/2017   61  
22/10/2017   63  
23/10/2017   63  
24/10/2017   63  
25/10/2017   63  
26/10/2017   60  
27/10/2017   64  
28/10/2017   66  
29/10/2017   64  
30/10/2017   67  
31/10/2017   68  
Note: 
# - Hourly average value.  Expressed as at 0¢XC, 101.325kPa, dry and corrected to 15% O2 condition