APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: August 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. (%) |
|
|
4/8/2020 |
13 |
21 |
11 |
13 |
11.5 |
130 |
87 |
|
10/8/2020 |
15 |
17 |
10 |
14 |
11.8 |
190 |
76 |
|
16/8/2020 |
15 |
19 |
13 |
11 |
14.3 |
80 |
76 |
|
22/8/2020 |
34 |
50 |
35 |
21 |
3.0 |
160 |
77 |
|
28/8/2020 |
30 |
34 |
25 |
29 |
9.3 |
220 |
82 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
4/8/2020 |
15:00 - 15:59 |
12 |
36 |
8 |
|
16:00 - 16:59 |
15 |
31 |
9 |
|
|
17:00 - 17:59 |
16 |
26 |
8 |
|
|
10/8/2020 |
15:00 - 15:59 |
23 |
13 |
10 |
|
16:00 - 16:59 |
17 |
12 |
10 |
|
|
17:00 - 17:59 |
22 |
5 |
9 |
|
|
16/8/2020 |
15:00 - 15:59 |
14 |
16 |
14 |
|
16:00 - 16:59 |
17 |
19 |
15 |
|
|
17:00 - 17:59 |
19 |
25 |
17 |
|
|
22/8/2020 |
15:00 - 15:59 |
23 |
54 |
24 |
|
16:00 - 16:59 |
20 |
60 |
23 |
|
|
17:00 - 17:59 |
29 |
65 |
23 |
|
|
28/8/2020 |
15:00 - 15:59 |
45 |
51 |
29 |
|
16:00 - 16:59 |
36 |
35 |
25 |
|
|
17:00 - 17:59 |
21 |
28 |
24 |
|
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 |
