APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: March 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. (%) |
|
3/3/2024 |
35 |
49 |
20 |
21 |
29.3 |
60 |
81 |
9/3/2024 |
60 |
108 |
34 |
21 |
45.9 |
70 |
73 |
15/3/2024 |
68 |
103 |
59 |
64 |
28.0 |
60 |
79 |
21/3/2024 |
71 |
100 |
49 |
53 |
25.3 |
70 |
65 |
27/3/2024 |
35 |
40 |
23 |
33 |
29.6 |
70 |
82 |
1 hour TSP Measurement:-
Date |
Time |
TSP concentration
(mg/m3) |
||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
3/3/2024 |
15:00 - 15:59 |
46 |
67 |
28 |
16:00 - 16:59 |
61 |
74 |
31 |
|
17:00 - 17:59 |
57 |
75 |
30 |
|
9/3/2024 |
15:00 - 15:59 |
60 |
110 |
35 |
16:00 - 16:59 |
64 |
117 |
39 |
|
17:00 - 17:59 |
67 |
121 |
41 |
|
15/3/2024 |
15:00 - 15:59 |
74 |
109 |
63 |
16:00 - 16:59 |
75 |
109 |
64 |
|
17:00 - 17:59 |
76 |
104 |
66 |
|
21/3/2024 |
15:00 - 15:59 |
70 |
103 |
49 |
16:00 - 16:59 |
70 |
103 |
49 |
|
17:00 - 17:59 |
73 |
101 |
50 |
|
27/3/2024 |
15:00 - 15:59 |
36 |
48 |
23 |
16:00 - 16:59 |
34 |
47 |
23 |
|
17:00 - 17:59 |
33 |
46 |
23 |
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 |