APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: June 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. (%) |
|
|
1/6/2023 5 |
23 |
37 |
17 |
28 |
12.3 |
240 |
79 |
|
7/6/2023 |
18 |
22 |
8 |
14 |
23.5 |
140 |
88 |
|
13/6/2023 |
22 |
24 |
9 |
11 |
11.7 |
170 |
81 |
|
19/6/2023 |
23 |
25 |
18 |
10 |
26.2 |
220 |
83 |
|
25/6/2023 |
16 |
18 |
15 |
8 |
15.8 |
150 |
83 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
1/6/2023 |
15:00 - 15:59 |
7 |
46 |
14 |
|
16:00 - 16:59 |
5 |
50 |
19 |
|
|
17:00 - 17:59 |
12 |
49 |
23 |
|
|
7/6/2023 |
15:00 - 15:59 |
23 |
28 |
9 |
|
16:00 - 16:59 |
18 |
27 |
8 |
|
|
17:00 - 17:59 |
24 |
24 |
8 |
|
|
13/6/2023 |
15:00 - 15:59 |
22 |
32 |
10 |
|
16:00 - 16:59 |
27 |
26 |
11 |
|
|
17:00 - 17:59 |
22 |
29 |
11 |
|
|
19/6/2023 |
15:00 - 15:59 |
28 |
29 |
17 |
|
16:00 - 16:59 |
30 |
27 |
18 |
|
|
17:00 - 17:59 |
31 |
24 |
20 |
|
|
25/6/2023 |
15:00 - 15:59 |
39 |
34 |
19 |
|
16:00 - 16:59 |
21 |
20 |
15 |
|
|
17:00 - 17:59 |
19 |
22 |
18 |
|
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 |
