APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: May 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. (%) |
|
|
6/5/2021 |
47 |
49 |
40 |
31 |
27.7 |
80 |
79 |
|
12/5/2021 |
22 |
24 |
15 |
31 |
20.3 |
200 |
78 |
|
18/5/2021 |
30 |
37 |
16 |
21 |
23.8 |
210 |
76 |
|
24/5/2021 |
16 |
17 |
12 |
29 |
9.6 |
190 |
81 |
|
30/5/2021 |
33 |
42 |
22 |
17 |
34.1 |
240 |
81 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
6/5/2021 |
15:00 - 15:59 |
41 |
42 |
33 |
|
16:00 - 16:59 |
47 |
44 |
36 |
|
|
17:00 - 17:59 |
46 |
44 |
37 |
|
|
12/5/2021 |
15:00 - 15:59 |
20 |
27 |
12 |
|
16:00 - 16:59 |
19 |
30 |
15 |
|
|
17:00 - 17:59 |
24 |
28 |
15 |
|
|
18/5/2021 |
15:00 - 15:59 |
24 |
82 |
29 |
|
16:00 - 16:59 |
34 |
101 |
22 |
|
|
17:00 - 17:59 |
64 |
107 |
19 |
|
|
24/5/2021 |
15:00 - 15:59 |
21 |
20 |
15 |
|
16:00 - 16:59 |
30 |
20 |
15 |
|
|
17:00 - 17:59 |
15 |
18 |
14 |
|
|
30/5/2021 |
15:00 - 15:59 |
30 |
64 |
23 |
|
16:00 - 16:59 |
32 |
55 |
24 |
|
|
17:00 - 17:59 |
36 |
46 |
23 |
|
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 |
