APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: May 2022
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. (%) |
|
|
1/5/2022 /2022 |
12 |
9 |
13 |
8 |
41.7 |
10 |
89 |
|
7/5/2022 |
27 |
34 |
24 |
18 |
19.6 |
70 |
77 |
|
13/5/2022 |
14 |
17 |
15 |
8 |
23.4 |
240 |
92 |
|
19/5/2022 |
39 |
36 |
36 |
8 |
22.6 |
70 |
64 |
|
25/5/2022 |
11 |
24 |
9 |
15 |
19.2 |
80 |
91 |
|
31/5/2022 |
20 |
24 |
15 |
11 |
11.5 |
160 |
82 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
1/5/2022 |
15:00 - 15:59 |
0 |
1 |
2 |
|
16:00 - 16:59 |
1 |
2 |
5 |
|
|
17:00 - 17:59 |
3 |
2 |
6 |
|
|
7/5/2022 |
15:00 - 15:59 |
40 |
46 |
30 |
|
16:00 - 16:59 |
27 |
37 |
26 |
|
|
17:00 - 17:59 |
31 |
36 |
24 |
|
|
13/5/2022 |
15:00 - 15:59 |
17 |
22 |
13 |
|
16:00 - 16:59 |
18 |
21 |
14 |
|
|
17:00 - 17:59 |
23 |
17 |
14 |
|
|
19/5/2022 |
15:00 - 15:59 |
38 |
42 |
25 |
|
16:00 - 16:59 |
44 |
42 |
30 |
|
|
17:00 - 17:59 |
54 |
40 |
33 |
|
|
25/5/2022 |
15:00 - 15:59 |
9 |
40 |
8 |
|
16:00 - 16:59 |
10 |
10 |
7 |
|
|
17:00 - 17:59 |
9 |
10 |
8 |
|
|
31/5/2022 |
15:00 - 15:59 |
9 |
20 |
5 |
|
16:00 - 16:59 |
21 |
24 |
11 |
|
|
17:00 - 17:59 |
19 |
20 |
17 |
|
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 |
