APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: February 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. (%) |
|
|
6/2/2022 |
38 |
29 |
28 |
21 |
38.8 |
70 |
75 |
|
12/2/2022 |
23 |
18 |
21 |
19 |
16.4 |
40 |
83 |
|
18/2/2022 |
23 |
22 |
17 |
18 |
42.9 |
70 |
84 |
|
24/2/2022 |
30 |
46 |
24 |
10 |
17.3 |
10 |
72 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
6/2/2022 |
15:00 - 15:59 |
32 |
24 |
28 |
|
16:00 - 16:59 |
47 |
32 |
31 |
|
|
17:00 - 17:59 |
52 |
41 |
39 |
|
|
12/2/2022 |
15:00 - 15:59 |
21 |
16 |
23 |
|
16:00 - 16:59 |
19 |
17 |
18 |
|
|
17:00 - 17:59 |
20 |
17 |
18 |
|
|
18/2/2022 |
15:00 - 15:59 |
16 |
22 |
16 |
|
16:00 - 16:59 |
19 |
19 |
16 |
|
|
17:00 - 17:59 |
23 |
21 |
17 |
|
|
24/2/2022 |
15:00 - 15:59 |
39 |
67 |
26 |
|
16:00 - 16:59 |
26 |
44 |
25 |
|
|
17:00 - 17:59 |
24 |
22 |
24 |
|
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 |
