APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: November 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. (%) |
|
|
3/11/2022 5 |
14 |
10 |
21 |
8 |
29.3 |
80 |
93 |
|
9/11/2022 |
24 |
17 |
29 |
22 |
18.4 |
50 |
77 |
|
15/11/2022 |
40 |
36 |
39 |
44 |
24.0 |
60 |
78 |
|
21/11/2022 |
27 |
19 |
23 |
17 |
41.5 |
70 |
78 |
|
27/11/2022 |
40 |
25 |
31 |
35 |
25.9 |
80 |
90 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
3/11/2022 |
15:00 - 15:59 |
15 |
4 |
8 |
|
16:00 - 16:59 |
4 |
5 |
6 |
|
|
17:00 - 17:59 |
9 |
8 |
8 |
|
|
9/11/2022 |
15:00 - 15:59 |
30 |
27 |
42 |
|
16:00 - 16:59 |
35 |
25 |
38 |
|
|
17:00 - 17:59 |
36 |
24 |
38 |
|
|
15/11/2022 |
15:00 - 15:59 |
47 |
36 |
43 |
|
16:00 - 16:59 |
41 |
39 |
41 |
|
|
17:00 - 17:59 |
39 |
39 |
42 |
|
|
21/11/2022 |
15:00 - 15:59 |
43 |
26 |
36 |
|
16:00 - 16:59 |
38 |
19 |
22 |
|
|
17:00 - 17:59 |
21 |
16 |
18 |
|
|
27/11/2022 |
15:00 - 15:59 |
40 |
30 |
38 |
|
16:00 - 16:59 |
50 |
36 |
45 |
|
|
17:00 - 17:59 |
60 |
41 |
49 |
|
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 |
