APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: November 2021
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. (%) |
|
|
2/11/2021 |
39 |
38 |
30 |
36 |
37.1 |
80 |
76 |
|
8/11/2021 |
29 |
71 |
38 |
33 |
45.3 |
360 |
61 |
|
14/11/2021 |
40 |
39 |
34 |
33 |
24.1 |
80 |
59 |
|
20/11/2021 |
32 |
36 |
27 |
15 |
33.0 |
80 |
77 |
|
26/11/2021 |
58 |
58 |
47 |
42 |
25.3 |
80 |
64 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
2/11/2021 |
15:00 - 15:59 |
37 |
37 |
30 |
|
16:00 - 16:59 |
39 |
41 |
35 |
|
|
17:00 - 17:59 |
44 |
44 |
36 |
|
|
8/11/2021 |
15:00 - 15:59 |
31 |
84 |
51 |
|
16:00 - 16:59 |
39 |
85 |
54 |
|
|
17:00 - 17:59 |
36 |
68 |
53 |
|
|
14/11/2021 |
15:00 - 15:59 |
37 |
44 |
34 |
|
16:00 - 16:59 |
43 |
52 |
34 |
|
|
17:00 - 17:59 |
45 |
63 |
34 |
|
|
20/11/2021 |
15:00 - 15:59 |
35 |
39 |
29 |
|
16:00 - 16:59 |
38 |
42 |
31 |
|
|
17:00 - 17:59 |
33 |
52 |
30 |
|
|
26/11/2021 |
15:00 - 15:59 |
60 |
66 |
54 |
|
16:00 - 16:59 |
82 |
65 |
53 |
|
|
17:00 - 17:59 |
60 |
54 |
48 |
|
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 |
