APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: July 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. (%) |
|
|
6/7/2022 |
23 |
26 |
17 |
13 |
22.5 |
220 |
81 |
|
12/7/2022 |
13 |
11 |
8 |
15 |
10.2 |
110 |
72 |
|
18/7/2022 |
36 |
16 |
21 |
10 |
25.5 |
220 |
78 |
|
24/7/2022 |
49 |
19 |
17 |
13 |
18.3 |
240 |
72 |
|
30/7/2022 |
38 |
26 |
24 |
21 |
8.8 |
220 |
81 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
6/7/2022 |
15:00 - 15:59 |
22 |
34 |
15 |
|
16:00 - 16:59 |
20 |
27 |
11 |
|
|
17:00 - 17:59 |
19 |
25 |
11 |
|
|
12/7/2022 |
15:00 - 15:59 |
4 |
8 |
7 |
|
16:00 - 16:59 |
18 |
12 |
10 |
|
|
17:00 - 17:59 |
17 |
14 |
11 |
|
|
18/7/2022 |
15:00 - 15:59 |
41 |
13 |
19 |
|
16:00 - 16:59 |
38 |
14 |
20 |
|
|
17:00 - 17:59 |
33 |
15 |
22 |
|
|
24/7/2022 |
15:00 - 15:59 |
156 |
19 |
19 |
|
16:00 - 16:59 |
76 |
27 |
19 |
|
|
17:00 - 17:59 |
45 |
34 |
20 |
|
|
30/7/2022 |
15:00 - 15:59 |
32 |
27 |
38 |
|
16:00 - 16:59 |
46 |
26 |
36 |
|
|
17:00 - 17:59 |
51 |
23 |
38 |
|
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 |
