APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: March 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. (%) |
|
2/3/2022 /2022 |
42 |
34 |
32 |
17 |
12.0 |
360 |
83 |
8/3/2022 |
23 |
19 |
20 |
17 |
26.7 |
80 |
53 |
14/3/2022 |
38 |
37 |
29 |
28 |
8.5 |
30 |
78 |
20/3/2022 |
27 |
21 |
22 |
24 |
30.5 |
70 |
88 |
26/3/2022 |
46 |
28 |
23 |
15 |
26.3 |
230 |
86 |
1 hour TSP Measurement:-
Date |
Time |
TSP concentration
(mg/m3) |
||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
2/3/2022 |
15:00 - 15:59 |
23 |
28 |
30 |
16:00 - 16:59 |
31 |
27 |
28 |
|
17:00 - 17:59 |
41 |
35 |
37 |
|
8/3/2022 |
15:00 - 15:59 |
25 |
19 |
19 |
16:00 - 16:59 |
32 |
24 |
22 |
|
17:00 - 17:59 |
29 |
24 |
23 |
|
14/3/2022 |
15:00 - 15:59 |
42 |
43 |
31 |
16:00 - 16:59 |
28 |
45 |
26 |
|
17:00 - 17:59 |
36 |
45 |
27 |
|
20/3/2022 |
15:00 - 15:59 |
35 |
30 |
28 |
16:00 - 16:59 |
30 |
29 |
28 |
|
17:00 - 17:59 |
29 |
25 |
26 |
|
26/3/2022 |
15:00 - 15:59 |
59 |
35 |
27 |
16:00 - 16:59 |
54 |
33 |
28 |
|
17:00 - 17:59 |
37 |
31 |
28 |
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 |