APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: December 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. (%) |
|
3/12/2022 5 |
49 |
49 |
36 |
54 |
15.3 |
10 |
73 |
9/12/2022 |
67 |
56 |
45 |
65 |
21.3 |
10 |
67 |
15/12/2022 |
13 |
12 |
10 |
58 |
24.3 |
30 |
91 |
21/12/2022 |
56 |
75 |
34 |
65 |
27.0 |
360 |
46 |
27/12/2022 |
48 |
32 |
39 |
35 |
35.1 |
70 |
70 |
1 hour TSP Measurement:-
Date |
Time |
TSP concentration
(mg/m3) |
||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
3/12/2022 |
15:00 - 15:59 |
70 |
81 |
53 |
16:00 - 16:59 |
72 |
70 |
55 |
|
17:00 - 17:59 |
66 |
55 |
54 |
|
9/12/2022 |
15:00 - 15:59 |
91 |
82 |
54 |
16:00 - 16:59 |
82 |
77 |
54 |
|
17:00 - 17:59 |
112 |
56 |
66 |
|
15/12/2022 |
15:00 - 15:59 |
26 |
39 |
18 |
16:00 - 16:59 |
23 |
34 |
18 |
|
17:00 - 17:59 |
33 |
19 |
17 |
|
21/12/2022 |
15:00 - 15:59 |
73 |
76 |
49 |
16:00 - 16:59 |
58 |
64 |
36 |
|
17:00 - 17:59 |
43 |
51 |
36 |
|
27/12/2022 |
15:00 - 15:59 |
46 |
27 |
33 |
16:00 - 16:59 |
40 |
30 |
36 |
|
17:00 - 17:59 |
58 |
37 |
39 |
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 |