APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: June 2020
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. (%) |
|
|
5/6/2020 |
29 |
30 |
22 |
17 |
29.6 |
220 |
78 |
|
11/6/2020 |
12 |
13 |
10 |
13 |
10.0 |
180 |
76 |
|
17/6/2020 |
20 |
37 |
11 |
24 |
18.1 |
200 |
77 |
|
23/6/2020 |
25 |
41 |
29 |
14 |
27.4 |
230 |
77 |
|
29/6/2020 |
13 |
15 |
8 |
11 |
9.3 |
150 |
74 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
5/6/2020 |
15:00 - 15:59 |
31 |
56 |
43 |
|
16:00 - 16:59 |
30 |
49 |
37 |
|
|
17:00 - 17:59 |
36 |
40 |
30 |
|
|
11/6/2020 |
15:00 - 15:59 |
8 |
10 |
7 |
|
16:00 - 16:59 |
12 |
8 |
6 |
|
|
17:00 - 17:59 |
6 |
11 |
9 |
|
|
17/6/2020 |
15:00 - 15:59 |
21 |
22 |
10 |
|
16:00 - 16:59 |
24 |
21 |
12 |
|
|
17:00 - 17:59 |
17 |
20 |
7 |
|
|
23/6/2020 |
15:00 - 15:59 |
17 |
52 |
46 |
|
16:00 - 16:59 |
17 |
50 |
33 |
|
|
17:00 - 17:59 |
21 |
48 |
25 |
|
|
29/6/2020 |
15:00 - 15:59 |
12 |
24 |
6 |
|
16:00 - 16:59 |
22 |
29 |
6 |
|
|
17:00 - 17:59 |
7 |
17 |
6 |
|
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 |
