APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: March 2025
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. (%) |
|
|
4/3/2025 |
17 |
31 |
14 |
11 |
4.8 |
110 |
85 |
|
10/3/2025 |
37 |
64 |
34 |
31 |
16.6 |
30 |
70 |
|
16/3/2025 |
26 |
25 |
19 |
10 |
42.6 |
360 |
57 |
|
22/3/2025 |
44 |
53 |
37 |
11 |
8.4 |
20 |
60 |
|
28/3/2025 |
23 |
46 |
14 |
8 |
14.3 |
80 |
86 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
4/3/2025 |
15:00 - 15:59 |
19 |
61 |
14 |
|
16:00 - 16:59 |
37 |
108 |
14 |
|
|
17:00 - 17:59 |
18 |
92 |
16 |
|
|
10/3/2025 |
15:00 - 15:59 |
35 |
148 |
36 |
|
16:00 - 16:59 |
39 |
76 |
28 |
|
|
17:00 - 17:59 |
33 |
50 |
28 |
|
|
16/3/2025 |
15:00 - 15:59 |
21 |
22 |
21 |
|
16:00 - 16:59 |
23 |
23 |
20 |
|
|
17:00 - 17:59 |
23 |
31 |
21 |
|
|
22/3/2025 |
15:00 - 15:59 |
28 |
44 |
38 |
|
16:00 - 16:59 |
62 |
49 |
38 |
|
|
17:00 - 17:59 |
38 |
40 |
47 |
|
|
28/3/2025 |
15:00 - 15:59 |
21 |
158 |
18 |
|
16:00 - 16:59 |
26 |
93 |
21 |
|
|
17:00 - 17:59 |
26 |
28 |
22 |
|
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 |
