APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: November 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. (%) |
|
|
2/11/2020 |
56 |
69 |
54 |
46 |
21.4 |
360 |
64 |
|
8/11/2020 |
63 |
69 |
62 |
57 |
25.8 |
70 |
59 |
|
14/11/2020 |
44 |
55 |
40 |
25 |
28.9 |
60 |
65 |
|
20/11/2020 |
22 |
24 |
14 |
29 |
9.9 |
50 |
84 |
|
26/11/2020 |
47 |
48 |
36 |
51 |
21.8 |
70 |
77 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
2/11/2020 |
15:00 - 15:59 |
77 |
106 |
62 |
|
16:00 - 16:59 |
70 |
90 |
66 |
|
|
17:00 - 17:59 |
74 |
76 |
65 |
|
|
8/11/2020 |
15:00 - 15:59 |
71 |
64 |
52 |
|
16:00 - 16:59 |
44 |
69 |
60 |
|
|
17:00 - 17:59 |
72 |
78 |
68 |
|
|
14/11/2020 |
15:00 - 15:59 |
66 |
98 |
75 |
|
16:00 - 16:59 |
73 |
64 |
38 |
|
|
17:00 - 17:59 |
62 |
62 |
38 |
|
|
20/11/2020 |
15:00 - 15:59 |
22 |
19 |
16 |
|
16:00 - 16:59 |
24 |
21 |
15 |
|
|
17:00 - 17:59 |
15 |
22 |
14 |
|
|
26/11/2020 |
15:00 - 15:59 |
63 |
55 |
44 |
|
16:00 - 16:59 |
59 |
53 |
42 |
|
|
17:00 - 17:59 |
55 |
51 |
40 |
|
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 |
