APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: October 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. (%) |
|
|
3/10/2020 |
34 |
37 |
31 |
17 |
20.8 |
70 |
75 |
|
9/10/2020 |
42 |
58 |
43 |
50 |
23.7 |
10 |
64 |
|
15/10/2020 |
41 |
43 |
35 |
29 |
50.8 |
70 |
73 |
|
21/10/2020 |
64 |
87 |
56 |
57 |
41.5 |
350 |
63 |
|
27/10/2020 |
40 |
39 |
32 |
40 |
43.0 |
70 |
73 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
3/10/2020 |
15:00 - 15:59 |
37 |
38 |
32 |
|
16:00 - 16:59 |
35 |
38 |
32 |
|
|
17:00 - 17:59 |
34 |
39 |
32 |
|
|
9/10/2020 |
15:00 - 15:59 |
53 |
67 |
48 |
|
16:00 - 16:59 |
56 |
70 |
56 |
|
|
17:00 - 17:59 |
59 |
69 |
59 |
|
|
15/10/2020 |
15:00 - 15:59 |
48 |
47 |
41 |
|
16:00 - 16:59 |
52 |
54 |
46 |
|
|
17:00 - 17:59 |
59 |
57 |
44 |
|
|
21/10/2020 |
15:00 - 15:59 |
125 |
102 |
72 |
|
16:00 - 16:59 |
59 |
89 |
63 |
|
|
17:00 - 17:59 |
63 |
82 |
64 |
|
|
27/10/2020 |
15:00 - 15:59 |
58 |
53 |
42 |
|
16:00 - 16:59 |
60 |
49 |
40 |
|
|
17:00 - 17:59 |
54 |
42 |
35 |
|
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 |
