APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: December 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. (%) |
|
|
2/12/2020 |
44 |
83 |
39 |
40 |
26.3 |
360 |
65 |
|
8/12/2020 |
74 |
105 |
66 |
72 |
21.3 |
360 |
64 |
|
14/12/2020 |
38 |
46 |
37 |
42 |
30.5 |
50 |
80 |
|
20/12/2020 |
53 |
73 |
41 |
51 |
35.6 |
360 |
59 |
|
26/12/2020 |
43 |
46 |
37 |
32 |
28.3 |
60 |
79 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
2/12/2020 |
15:00 - 15:59 |
34 |
60 |
35 |
|
16:00 - 16:59 |
44 |
66 |
41 |
|
|
17:00 - 17:59 |
44 |
63 |
46 |
|
|
8/12/2020 |
15:00 - 15:59 |
106 |
145 |
83 |
|
16:00 - 16:59 |
108 |
131 |
73 |
|
|
17:00 - 17:59 |
90 |
77 |
69 |
|
|
14/12/2020 |
15:00 - 15:59 |
46 |
59 |
45 |
|
16:00 - 16:59 |
50 |
59 |
50 |
|
|
17:00 - 17:59 |
45 |
64 |
49 |
|
|
20/12/2020 |
15:00 - 15:59 |
67 |
85 |
46 |
|
16:00 - 16:59 |
47 |
86 |
44 |
|
|
17:00 - 17:59 |
54 |
81 |
48 |
|
|
26/12/2020 |
15:00 - 15:59 |
40 |
45 |
39 |
|
16:00 - 16:59 |
40 |
45 |
42 |
|
|
17:00 - 17:59 |
36 |
38 |
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 |
