APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: February 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. (%) |
|
2/2/2024 |
16 |
28 |
12 |
81 |
15.5 |
60 |
88 |
8/2/2024 |
13 |
37 |
13 |
14 |
22.8 |
360 |
84 |
14/2/2024 |
41 |
61 |
37 |
19 |
11.7 |
30 |
78 |
20/2/2024 |
18 |
29 |
17 |
11 |
9.2 |
100 |
87 |
26/2/2024 |
64 |
80 |
32 |
15 |
20.5 |
40 |
76 |
1 hour TSP Measurement:-
Date |
Time |
TSP concentration
(mg/m3) |
||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
2/2/2024 |
15:00 - 15:59 |
11 |
21 |
11 |
16:00 - 16:59 |
20 |
25 |
13 |
|
17:00 - 17:59 |
14 |
27 |
13 |
|
8/2/2024 |
15:00 - 15:59 |
12 |
23 |
14 |
16:00 - 16:59 |
13 |
27 |
14 |
|
17:00 - 17:59 |
12 |
26 |
15 |
|
14/2/2024 |
15:00 - 15:59 |
35 |
54 |
31 |
16:00 - 16:59 |
35 |
55 |
32 |
|
17:00 - 17:59 |
33 |
56 |
33 |
|
20/2/2024 |
15:00 - 15:59 |
21 |
30 |
18 |
16:00 - 16:59 |
23 |
30 |
17 |
|
17:00 - 17:59 |
22 |
27 |
16 |
|
26/2/2024 |
15:00 - 15:59 |
33 |
46 |
24 |
16:00 - 16:59 |
33 |
47 |
24 |
|
17:00 - 17:59 |
34 |
51 |
30 |
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 |