APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: August 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. (%) |
|
|
6/8/2023 |
38 |
48 |
11 |
22 |
28.8 |
230 |
78 |
|
12/8/2023 |
33 |
29 |
7 |
17 |
15.0 |
190 |
79 |
|
18/8/2023 |
31 |
33 |
28 |
44 |
16.5 |
240 |
86 |
|
24/8/2023 |
21 |
18 |
14 |
15 |
11.7 |
30 |
85 |
|
30/8/2023 |
75 |
69 |
35 |
35 |
20.0 |
360 |
72 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
6/8/2023 |
15:00 - 15:59 |
32 |
58 |
12 |
|
16:00 - 16:59 |
39 |
58 |
11 |
|
|
17:00 - 17:59 |
34 |
53 |
12 |
|
|
12/8/2023 |
15:00 - 15:59 |
83 |
30 |
8 |
|
16:00 - 16:59 |
139 |
22 |
8 |
|
|
17:00 - 17:59 |
25 |
25 |
6 |
|
|
18/8/2023 |
15:00 - 15:59 |
21 |
27 |
22 |
|
16:00 - 16:59 |
26 |
31 |
28 |
|
|
17:00 - 17:59 |
34 |
38 |
34 |
|
|
24/8/2023 |
15:00 - 15:59 |
67 |
18 |
9 |
|
16:00 - 16:59 |
13 |
19 |
10 |
|
|
17:00 - 17:59 |
14 |
13 |
10 |
|
|
30/8/2023 |
15:00 - 15:59 |
51 |
83 |
38 |
|
16:00 - 16:59 |
47 |
81 |
45 |
|
|
17:00 - 17:59 |
57 |
60 |
45 |
|
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 |
