APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: July 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. (%) |
|
|
1/7/2024 |
14 |
31 |
14 |
14 |
31.5 |
210 |
78 |
|
7/7/2024 |
6 |
16 |
7 |
4 |
14.7 |
160 |
74 |
|
13/7/2024 |
14 |
16 |
7 |
15 |
16.3 |
160 |
76 |
|
19/7/2024 |
13 |
18 |
15 |
14 |
11.1 |
80 |
89 |
|
25/7/2024 |
15 |
49 |
25 |
19 |
47.5 |
250 |
78 |
|
31/7/2024 |
25 |
28 |
26 |
18 |
17.5 |
200 |
88 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
1/7/2024 |
15:00 - 15:59 |
12 |
26 |
14 |
|
16:00 - 16:59 |
13 |
29 |
13 |
|
|
17:00 - 17:59 |
28 |
32 |
15 |
|
|
7/7/2024 |
15:00 - 15:59 |
10 |
45 |
5 |
|
16:00 - 16:59 |
9 |
50 |
6 |
|
|
17:00 - 17:59 |
6 |
26 |
7 |
|
|
13/7/2024 |
15:00 - 15:59 |
16 |
22 |
4 |
|
16:00 - 16:59 |
12 |
19 |
5 |
|
|
17:00 - 17:59 |
13 |
12 |
8 |
|
|
19/7/2024 |
15:00 - 15:59 |
12 |
16 |
10 |
|
16:00 - 16:59 |
11 |
11 |
13 |
|
|
17:00 - 17:59 |
10 |
15 |
13 |
|
|
25/7/2024 |
15:00 - 15:59 |
19 |
65 |
31 |
|
16:00 - 16:59 |
20 |
60 |
31 |
|
|
17:00 - 17:59 |
19 |
56 |
29 |
|
|
31/7/2024 |
15:00 - 15:59 |
26 |
37 |
32 |
|
16:00 - 16:59 |
28 |
37 |
31 |
|
|
17:00 - 17:59 |
28 |
35 |
31 |
|
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 |
