APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: April 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. (%) |
|
|
1/4/2022 /2022 |
27 |
21 |
26 |
26 |
43.1 |
70 |
83 |
|
7/4/2022 |
32 |
36 |
30 |
21 |
12.9 |
30 |
70 |
|
13/4/2022 |
27 |
34 |
23 |
15 |
10.0 |
230 |
81 |
|
19/4/2022 |
17 |
36 |
16 |
38 |
17.3 |
10 |
83 |
|
25/4/2022 |
21 |
31 |
13 |
14 |
13.7 |
160 |
79 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
1/4/2022 |
15:00 - 15:59 |
23 |
28 |
34 |
|
16:00 - 16:59 |
16 |
20 |
31 |
|
|
17:00 - 17:59 |
12 |
17 |
30 |
|
|
7/4/2022 |
15:00 - 15:59 |
43 |
43 |
33 |
|
16:00 - 16:59 |
39 |
50 |
32 |
|
|
17:00 - 17:59 |
44 |
47 |
32 |
|
|
13/4/2022 |
15:00 - 15:59 |
33 |
45 |
20 |
|
16:00 - 16:59 |
33 |
33 |
27 |
|
|
17:00 - 17:59 |
28 |
32 |
27 |
|
|
19/4/2022 |
15:00 - 15:59 |
13 |
34 |
12 |
|
16:00 - 16:59 |
15 |
28 |
14 |
|
|
17:00 - 17:59 |
13 |
53 |
14 |
|
|
25/4/2022 |
15:00 - 15:59 |
21 |
33 |
14 |
|
16:00 - 16:59 |
20 |
22 |
16 |
|
|
17:00 - 17:59 |
22 |
19 |
15 |
|
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 |
