APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: September 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. (%) |
|
|
4/9/2022 |
66 |
33 |
50 |
39 |
13.7 |
360 |
55 |
|
10/9/2022 |
66 |
48 |
47 |
33 |
11.0 |
70 |
76 |
|
16/9/2022 |
72 |
54 |
61 |
57 |
7.9 |
250 |
63 |
|
22/9/2022 |
44 |
22 |
41 |
22 |
24.8 |
80 |
73 |
|
28/9/2022 |
30 |
13 |
20 |
13 |
49.1 |
80 |
73 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
4/9/2022 |
15:00 - 15:59 |
72 |
39 |
50 |
|
16:00 - 16:59 |
56 |
31 |
47 |
|
|
17:00 - 17:59 |
60 |
28 |
57 |
|
|
10/9/2022 |
15:00 - 15:59 |
64 |
44 |
43 |
|
16:00 - 16:59 |
79 |
46 |
51 |
|
|
17:00 - 17:59 |
78 |
46 |
55 |
|
|
16/9/2022 |
15:00 - 15:59 |
107 |
67 |
85 |
|
16:00 - 16:59 |
92 |
56 |
75 |
|
|
17:00 - 17:59 |
84 |
53 |
64 |
|
|
22/9/2022 |
15:00 - 15:59 |
43 |
24 |
41 |
|
16:00 - 16:59 |
44 |
20 |
37 |
|
|
17:00 - 17:59 |
38 |
19 |
37 |
|
|
28/9/2022 |
15:00 - 15:59 |
26 |
15 |
21 |
|
16:00 - 16:59 |
26 |
14 |
21 |
|
|
17:00 - 17:59 |
26 |
13 |
21 |
|
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 |
