APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: November 2024
24 hour TSP
Measurement:-
Date |
TSP concentration
(mg/m3) |
Weather
Information (From Hong Kong
Observatory) |
|||||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
Tai Yuen Village (AM4) |
Mean Wind Speed (km/hr) |
Prevailing Wind
Dir. (°) |
Mean R.H. (%) |
|
4/11/2024 |
54 |
51 |
33 |
26 |
21.5 |
80 |
75 |
10/11/2024 |
25 |
27 |
16 |
15 |
37.5 |
60 |
80 |
16/11/2024 |
21 |
27 |
13 |
8 |
6.2 |
90 |
88 |
22/11/2024 |
31 |
47 |
20 |
6 |
24.5 |
360 |
74 |
28/11/2024 |
41 |
48 |
32 |
18 |
32.1 |
360 |
36 |
1 hour TSP Measurement:-
Date |
Time |
TSP concentration
(mg/m3) |
||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
4/11/2024 |
15:00 - 15:59 |
59 |
71 |
34 |
16:00 - 16:59 |
57 |
62 |
36 |
|
17:00 - 17:59 |
65 |
51 |
36 |
|
10/11/2024 |
15:00 - 15:59 |
27 |
36 |
27 |
16:00 - 16:59 |
33 |
43 |
29 |
|
17:00 - 17:59 |
42 |
49 |
33 |
|
16/11/2024 |
15:00 - 15:59 |
30 |
31 |
13 |
16:00 - 16:59 |
29 |
31 |
16 |
|
17:00 - 17:59 |
36 |
29 |
18 |
|
22/11/2024 |
15:00 - 15:59 |
48 |
77 |
43 |
16:00 - 16:59 |
46 |
60 |
37 |
|
17:00 - 17:59 |
39 |
45 |
34 |
|
28/11/2024 |
15:00 - 15:59 |
44 |
58 |
40 |
16:00 - 16:59 |
45 |
76 |
41 |
|
17:00 - 17:59 |
51 |
81 |
34 |
1-hr TSP 24-hr
TSP
(mg/m3) (mg/m3)
Action Level 340 190
Limit Level 500 260
Calibration: Calibration
details are shown in appendix F.
Equipment used:
Location |
1-hr TSP |
24-hr TSP |
Reservoir, East
Gate and Ash Lagoon |
TEOM |
TEOM |
Tai Yuen Village |
- |
MINIVOL Portable
Sampler |