APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: June 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. (%) |
|
1/6/2024 |
17 |
22 |
18 |
28 |
37.7 |
230 |
88 |
7/6/2024 |
15 |
17 |
16 |
18 |
29.7 |
70 |
92 |
13/6/2024 |
12 |
35 |
26 |
6 |
28.2 |
220 |
83 |
19/6/2024 |
16 |
23 |
14 |
10 |
17.7 |
180 |
80 |
25/6/2024 |
15 |
20 |
12 |
19 |
18.1 |
150 |
79 |
1 hour TSP Measurement:-
Date |
Time |
TSP concentration
(mg/m3) |
||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
1/6/2024 |
15:00 - 15:59 |
16 |
23 |
15 |
16:00 - 16:59 |
18 |
24 |
15 |
|
17:00 - 17:59 |
12 |
22 |
14 |
|
7/6/2024 |
15:00 - 15:59 |
10 |
23 |
23 |
16:00 - 16:59 |
11 |
23 |
22 |
|
17:00 - 17:59 |
11 |
21 |
20 |
|
13/6/2024 |
15:00 - 15:59 |
10 |
37 |
24 |
16:00 - 16:59 |
10 |
38 |
25 |
|
17:00 - 17:59 |
10 |
36 |
24 |
|
19/6/2024 |
15:00 - 15:59 |
15 |
28 |
15 |
16:00 - 16:59 |
13 |
19 |
13 |
|
17:00 - 17:59 |
10 |
26 |
13 |
|
25/6/2024 |
15:00 - 15:59 |
15 |
29 |
11 |
16:00 - 16:59 |
12 |
25 |
8 |
|
17:00 - 17:59 |
9 |
17 |
12 |
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 |