APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: September 2021
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. (%) |
|
|
3/9/2021 |
10 |
17 |
7 |
13 |
7.1 |
120 |
79 |
|
9/9/2021 |
29 |
29 |
27 |
11 |
10.4 |
80 |
73 |
|
15/9/2021 |
38 |
55 |
28 |
18 |
18.2 |
250 |
75 |
|
21/9/2021 |
20 |
27 |
15 |
7 |
8.5 |
150 |
82 |
|
27/9/2021 |
45 |
40 |
38 |
43 |
16.3 |
80 |
75 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
3/9/2021 |
15:00 - 15:59 |
11 |
6 |
10 |
|
16:00 - 16:59 |
21 |
22 |
16 |
|
|
17:00 - 17:59 |
17 |
17 |
7 |
|
|
9/9/2021 |
15:00 - 15:59 |
26 |
17 |
18 |
|
16:00 - 16:59 |
23 |
27 |
26 |
|
|
17:00 - 17:59 |
32 |
29 |
28 |
|
|
15/9/2021 |
15:00 - 15:59 |
55 |
88 |
44 |
|
16:00 - 16:59 |
48 |
76 |
29 |
|
|
17:00 - 17:59 |
40 |
62 |
19 |
|
|
21/9/2021 |
15:00 - 15:59 |
46 |
30 |
24 |
|
16:00 - 16:59 |
30 |
21 |
18 |
|
|
17:00 - 17:59 |
24 |
17 |
19 |
|
|
27/9/2021 |
15:00 - 15:59 |
49 |
41 |
38 |
|
16:00 - 16:59 |
46 |
42 |
37 |
|
|
17:00 - 17:59 |
43 |
38 |
39 |
|
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 |
