APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: December 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. (%) |
|
|
4/12/2024 |
39 |
40 |
22 |
4 |
35.1 |
70 |
73 |
|
10/12/2024 |
33 |
39 |
19 |
14 |
27.1 |
70 |
73 |
|
16/12/2024 |
37 |
48 |
22 |
8 |
19.2 |
360 |
44 |
|
22/12/2024 |
58 |
49 |
45 |
13 |
26.9 |
360 |
48 |
|
28/12/2024 |
60 |
81 |
61 |
6 |
33.7 |
360 |
43 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
4/12/2024 |
15:00 - 15:59 |
48 |
49 |
28 |
|
16:00 - 16:59 |
46 |
45 |
26 |
|
|
17:00 - 17:59 |
48 |
44 |
26 |
|
|
10/12/2024 |
15:00 - 15:59 |
24 |
30 |
16 |
|
16:00 - 16:59 |
21 |
35 |
21 |
|
|
17:00 - 17:59 |
30 |
37 |
24 |
|
|
16/12/2024 |
15:00 - 15:59 |
43 |
64 |
30 |
|
16:00 - 16:59 |
55 |
55 |
23 |
|
|
17:00 - 17:59 |
36 |
50 |
29 |
|
|
22/12/2024 |
15:00 - 15:59 |
58 |
60 |
45 |
|
16:00 - 16:59 |
61 |
57 |
46 |
|
|
17:00 - 17:59 |
59 |
53 |
45 |
|
|
28/12/2024 |
15:00 - 15:59 |
65 |
90 |
66 |
|
16:00 - 16:59 |
56 |
79 |
62 |
|
|
17:00 - 17:59 |
67 |
75 |
63 |
|
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 |
