APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: October 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. (%) |
|
5/10/2024 |
36 |
43 |
23 |
10 |
20.0 |
360 |
63 |
11/10/2024 |
35 |
30 |
16 |
35 |
23.6 |
80 |
79 |
17/10/2024 |
33 |
33 |
15 |
19 |
32.0 |
80 |
77 |
23/10/2024 |
49 |
63 |
24 |
42 |
40.5 |
360 |
57 |
29/10/2024 |
29 |
28 |
24 |
6 |
19.0 |
40 |
69 |
1 hour TSP Measurement:-
Date |
Time |
TSP concentration
(mg/m3) |
||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
5/10/2024 |
15:00 - 15:59 |
36 |
52 |
27 |
16:00 - 16:59 |
43 |
52 |
28 |
|
17:00 - 17:59 |
42 |
44 |
27 |
|
11/10/2024 |
15:00 - 15:59 |
43 |
37 |
23 |
16:00 - 16:59 |
44 |
38 |
25 |
|
17:00 - 17:59 |
45 |
38 |
25 |
|
17/10/2024 |
15:00 - 15:59 |
36 |
53 |
18 |
16:00 - 16:59 |
39 |
33 |
16 |
|
17:00 - 17:59 |
50 |
31 |
17 |
|
23/10/2024 |
15:00 - 15:59 |
33 |
69 |
29 |
16:00 - 16:59 |
39 |
66 |
30 |
|
17:00 - 17:59 |
39 |
65 |
30 |
|
29/10/2024 |
15:00 - 15:59 |
31 |
42 |
41 |
16:00 - 16:59 |
38 |
47 |
41 |
|
17:00 - 17:59 |
38 |
45 |
39 |
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 |