APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: January 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. (%) |
|
|
3/1/2025 |
56 |
60 |
51 |
14 |
20.3 |
360 |
42 |
|
9/1/2025 |
74 |
65 |
59 |
11 |
20.6 |
60 |
66 |
|
15/1/2025 |
61 |
59 |
48 |
35 |
21.5 |
40 |
49 |
|
21/1/2025 |
49 |
51 |
43 |
54 |
31.0 |
60 |
59 |
|
27/1/2025 |
35 |
35 |
26 |
22 |
32.0 |
360 |
40 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
3/1/2025 |
15:00 - 15:59 |
82 |
92 |
73 |
|
16:00 - 16:59 |
84 |
94 |
68 |
|
|
17:00 - 17:59 |
77 |
82 |
67 |
|
|
9/1/2025 |
15:00 - 15:59 |
95 |
78 |
67 |
|
16:00 - 16:59 |
87 |
77 |
68 |
|
|
17:00 - 17:59 |
80 |
72 |
67 |
|
|
15/1/2025 |
15:00 - 15:59 |
61 |
69 |
52 |
|
16:00 - 16:59 |
66 |
74 |
53 |
|
|
17:00 - 17:59 |
63 |
77 |
54 |
|
|
21/1/2025 |
15:00 - 15:59 |
52 |
81 |
61 |
|
16:00 - 16:59 |
83 |
82 |
64 |
|
|
17:00 - 17:59 |
70 |
55 |
56 |
|
|
27/1/2025 |
15:00 - 15:59 |
30 |
57 |
27 |
|
16:00 - 16:59 |
26 |
35 |
41 |
|
|
17:00 - 17:59 |
52 |
25 |
37 |
|
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 |
