APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: January 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. (%) |
|
|
1/1/2020 |
33 |
37 |
31 |
15 |
33.5 |
80 |
80 |
|
7/1/2020 |
41 |
37 |
32 |
8 |
11.8 |
20 |
83 |
|
13/1/2020 |
29 |
34 |
31 |
58 |
29.8 |
50 |
76 |
|
19/1/2020 |
43 |
52 |
41 |
38 |
24.8 |
50 |
75 |
|
25/1/2020 |
15 |
18 |
18 |
## |
37.5 |
60 |
89 |
|
31/1/2020 |
31 |
34 |
30 |
## |
25.2 |
70 |
52 |
Remarks:
## - TSP monitoring at AM4 temporarily suspended on 25/1 and 31/1 due to
outbreak of Wuhan Pneumonia.
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
1/1/2020 |
15:00 - 15:59 |
26 |
31 |
26 |
|
16:00 - 16:59 |
24 |
35 |
27 |
|
|
17:00 - 17:59 |
29 |
40 |
29 |
|
|
7/1/2020 |
15:00 - 15:59 |
67 |
46 |
25 |
|
16:00 - 16:59 |
36 |
35 |
23 |
|
|
17:00 - 17:59 |
27 |
27 |
22 |
|
|
13/1/2020 |
15:00 - 15:59 |
26 |
35 |
30 |
|
16:00 - 16:59 |
28 |
36 |
32 |
|
|
17:00 - 17:59 |
31 |
33 |
29 |
|
|
19/1/2020 |
15:00 - 15:59 |
62 |
94 |
67 |
|
16:00 - 16:59 |
65 |
89 |
66 |
|
|
17:00 - 17:59 |
68 |
88 |
59 |
|
|
25/1/2020 |
15:00 - 15:59 |
19 |
28 |
26 |
|
16:00 - 16:59 |
27 |
26 |
24 |
|
|
17:00 - 17:59 |
25 |
22 |
18 |
|
|
31/1/2020 |
15:00 - 15:59 |
28 |
33 |
25 |
|
16:00 - 16:59 |
25 |
33 |
28 |
|
|
17:00 - 17:59 |
35 |
36 |
31 |
|
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 |
