APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: June 2021
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. (%) |
|
|
5/6/2021 |
36 |
43 |
36 |
31 |
9.9 |
270 |
73 |
|
11/6/2021 |
16 |
21 |
13 |
19 |
39.1 |
70 |
82 |
|
17/6/2021 |
31 |
40 |
23 |
15 |
24.9 |
230 |
77 |
|
23/6/2021 |
16 |
20 |
16 |
14 |
16.8 |
260 |
88 |
|
29/6/2021 |
42 |
44 |
33 |
26 |
32.2 |
220 |
82 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
5/6/2021 |
15:00 - 15:59 |
41 |
56 |
36 |
|
16:00 - 16:59 |
28 |
63 |
33 |
|
|
17:00 - 17:59 |
28 |
63 |
47 |
|
|
11/6/2021 |
15:00 - 15:59 |
13 |
25 |
14 |
|
16:00 - 16:59 |
23 |
24 |
15 |
|
|
17:00 - 17:59 |
20 |
22 |
15 |
|
|
17/6/2021 |
15:00 - 15:59 |
33 |
60 |
25 |
|
16:00 - 16:59 |
33 |
49 |
21 |
|
|
17:00 - 17:59 |
37 |
43 |
20 |
|
|
23/6/2021 |
15:00 - 15:59 |
16 |
16 |
14 |
|
16:00 - 16:59 |
14 |
11 |
9 |
|
|
17:00 - 17:59 |
0 |
9 |
10 |
|
|
29/6/2021 |
15:00 - 15:59 |
42 |
50 |
33 |
|
16:00 - 16:59 |
46 |
45 |
33 |
|
|
17:00 - 17:59 |
46 |
46 |
35 |
|
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 |
