APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: September 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. (%) |
|
|
5/9/2024 |
28 |
43 |
26 |
31 |
53.8 |
50 |
71 |
|
11/9/2024 |
24 |
29 |
15 |
21 |
6.7 |
40 |
76 |
|
17/9/2024 |
21 |
29 |
13 |
13 |
20.6 |
40 |
74 |
|
23/9/2024 |
15 |
43 |
8 |
6 |
23.3 |
10 |
90 |
|
29/9/2024 |
37 |
40 |
24 |
11 |
8.0 |
100 |
76 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
5/9/2024 |
15:00 - 15:59 |
20 |
48 |
29 |
|
16:00 - 16:59 |
33 |
57 |
30 |
|
|
17:00 - 17:59 |
30 |
57 |
37 |
|
|
11/9/2024 |
15:00 - 15:59 |
27 |
33 |
14 |
|
16:00 - 16:59 |
21 |
29 |
13 |
|
|
17:00 - 17:59 |
22 |
21 |
11 |
|
|
17/9/2024 |
15:00 - 15:59 |
28 |
34 |
9 |
|
16:00 - 16:59 |
28 |
25 |
3 |
|
|
17:00 - 17:59 |
5 |
20 |
7 |
|
|
23/9/2024 |
15:00 - 15:59 |
15 |
192 |
8 |
|
16:00 - 16:59 |
14 |
17 |
4 |
|
|
17:00 - 17:59 |
9 |
14 |
5 |
|
|
29/9/2024 |
15:00 - 15:59 |
48 |
41 |
22 |
|
16:00 - 16:59 |
43 |
66 |
23 |
|
|
17:00 - 17:59 |
38 |
45 |
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 |
