APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: November 2023
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. (%) |
|
|
4/11/2023 |
26 |
28 |
22 |
11 |
15.2 |
70 |
76 |
|
10/11/2023 |
34 |
36 |
25 |
26 |
19.2 |
70 |
82 |
|
16/11/2023 |
82 |
65 |
45 |
57 |
35.0 |
360 |
65 |
|
22/11/2023 |
35 |
33 |
28 |
19 |
14.4 |
80 |
73 |
|
28/11/2023 |
54 |
50 |
39 |
17 |
27.7 |
70 |
61 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
4/11/2023 |
15:00 - 15:59 |
25 |
27 |
22 |
|
16:00 - 16:59 |
33 |
26 |
20 |
|
|
17:00 - 17:59 |
13 |
35 |
19 |
|
|
10/11/2023 |
15:00 - 15:59 |
36 |
42 |
25 |
|
16:00 - 16:59 |
33 |
31 |
26 |
|
|
17:00 - 17:59 |
30 |
31 |
25 |
|
|
16/11/2023 |
15:00 - 15:59 |
48 |
58 |
42 |
|
16:00 - 16:59 |
54 |
54 |
47 |
|
|
17:00 - 17:59 |
52 |
55 |
49 |
|
|
22/11/2023 |
15:00 - 15:59 |
37 |
31 |
28 |
|
16:00 - 16:59 |
37 |
33 |
30 |
|
|
17:00 - 17:59 |
30 |
32 |
30 |
|
|
28/11/2023 |
15:00 - 15:59 |
61 |
60 |
48 |
|
16:00 - 16:59 |
65 |
57 |
39 |
|
|
17:00 - 17:59 |
58 |
54 |
31 |
|
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 |
