APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: February 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. (¢X) |
Mean R.H. (%) |
|
|
6/2/2021 |
45 |
44 |
50 |
28 |
6.5 |
10 |
73 |
|
12/2/2021 |
29 |
38 |
24 |
8 |
11.4 |
350 |
69 |
|
18/2/2021 |
50 |
55 |
44 |
38 |
29.7 |
60 |
65 |
|
24/2/2021 |
39 |
40 |
32 |
19 |
36.4 |
60 |
79 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
6/2/2021 |
15:00 - 15:59 |
36 |
50 |
34 |
|
16:00 - 16:59 |
36 |
48 |
52 |
|
|
17:00 - 17:59 |
70 |
54 |
38 |
|
|
12/2/2021 |
15:00 - 15:59 |
29 |
36 |
15 |
|
16:00 - 16:59 |
21 |
39 |
20 |
|
|
17:00 - 17:59 |
26 |
37 |
25 |
|
|
18/2/2021 |
15:00 - 15:59 |
50 |
55 |
44 |
|
16:00 - 16:59 |
53 |
59 |
48 |
|
|
17:00 - 17:59 |
59 |
60 |
49 |
|
|
24/2/2021 |
15:00 - 15:59 |
38 |
40 |
31 |
|
16:00 - 16:59 |
40 |
41 |
32 |
|
|
17:00 - 17:59 |
37 |
37 |
28 |
|
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 |
