APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: April 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. (%) |
|
2/4/2024 |
61 |
51 |
25 |
19 |
20.3 |
160 |
80 |
8/4/2024 |
28 |
40 |
20 |
28 |
12.6 |
30 |
87 |
14/4/2024 |
30 |
31 |
18 |
58 |
9.1 |
130 |
78 |
20/4/2024 |
10 |
35 |
22 |
15 |
3.8 |
60 |
90 |
26/4/2024 |
23 |
35 |
21 |
6 |
25.9 |
220 |
88 |
1 hour TSP Measurement:-
Date |
Time |
TSP concentration
(mg/m3) |
||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
2/4/2024 |
15:00 - 15:59 |
45 |
63 |
29 |
16:00 - 16:59 |
46 |
67 |
30 |
|
17:00 - 17:59 |
46 |
64 |
29 |
|
8/4/2024 |
15:00 - 15:59 |
31 |
33 |
17 |
16:00 - 16:59 |
32 |
42 |
22 |
|
17:00 - 17:59 |
32 |
50 |
21 |
|
14/4/2024 |
15:00 - 15:59 |
37 |
32 |
17 |
16:00 - 16:59 |
37 |
35 |
17 |
|
17:00 - 17:59 |
37 |
35 |
17 |
|
20/4/2024 |
15:00 - 15:59 |
49 |
47 |
30 |
16:00 - 16:59 |
50 |
52 |
31 |
|
17:00 - 17:59 |
51 |
52 |
32 |
|
26/4/2024 |
15:00 - 15:59 |
19 |
53 |
25 |
16:00 - 16:59 |
19 |
47 |
26 |
|
17:00 - 17:59 |
20 |
42 |
26 |
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 |