APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: June 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. (%) |
|
6/6/2022 |
33 |
43 |
21 |
17 |
27.0 |
230 |
83 |
12/6/2022 |
27 |
31 |
22 |
14 |
27.5 |
220 |
84 |
18/6/2022 |
26 |
22 |
16 |
13 |
27.3 |
200 |
81 |
24/6/2022 |
20 |
32 |
11 |
11 |
10.7 |
220 |
73 |
30/6/2022 |
15 |
16 |
16 |
10 |
31.9 |
80 |
82 |
1 hour TSP Measurement:-
Date |
Time |
TSP concentration
(mg/m3) |
||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
6/6/2022 |
15:00 - 15:59 |
22 |
43 |
21 |
16:00 - 16:59 |
24 |
35 |
24 |
|
17:00 - 17:59 |
33 |
43 |
28 |
|
12/6/2022 |
15:00 - 15:59 |
28 |
36 |
24 |
16:00 - 16:59 |
30 |
34 |
23 |
|
17:00 - 17:59 |
28 |
31 |
21 |
|
18/6/2022 |
15:00 - 15:59 |
54 |
26 |
18 |
16:00 - 16:59 |
30 |
23 |
16 |
|
17:00 - 17:59 |
22 |
23 |
17 |
|
24/6/2022 |
15:00 - 15:59 |
20 |
31 |
12 |
16:00 - 16:59 |
20 |
32 |
13 |
|
17:00 - 17:59 |
24 |
31 |
12 |
|
30/6/2022 |
15:00 - 15:59 |
11 |
15 |
11 |
16:00 - 16:59 |
16 |
13 |
13 |
|
17:00 - 17:59 |
9 |
15 |
11 |
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 |