APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: January 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. (°) |
Mean R.H. (%) |
|
|
1/1/2021 |
39 |
43 |
32 |
24 |
25.6 |
360 |
40 |
|
7/1/2021 |
65 |
70 |
59 |
76 |
35.3 |
360 |
67 |
|
13/1/2021 |
57 |
61 |
44 |
51 |
11.2 |
10 |
48 |
|
19/1/2021 |
61 |
63 |
44 |
64 |
32.2 |
50 |
64 |
|
25/1/2021 |
36 |
34 |
34 |
36 |
23.3 |
60 |
74 |
|
31/1/2021 |
40 |
37 |
31 |
24 |
28.3 |
50 |
67 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
1/1/2021 |
15:00 - 15:59 |
62 |
57 |
45 |
|
16:00 - 16:59 |
52 |
49 |
39 |
|
|
17:00 - 17:59 |
60 |
44 |
40 |
|
|
7/1/2021 |
15:00 - 15:59 |
95 |
93 |
71 |
|
16:00 - 16:59 |
80 |
73 |
63 |
|
|
17:00 - 17:59 |
79 |
67 |
60 |
|
|
13/1/2021 |
15:00 - 15:59 |
53 |
53 |
41 |
|
16:00 - 16:59 |
56 |
51 |
43 |
|
|
17:00 - 17:59 |
59 |
46 |
31 |
|
|
19/1/2021 |
15:00 - 15:59 |
47 |
52 |
34 |
|
16:00 - 16:59 |
49 |
58 |
38 |
|
|
17:00 - 17:59 |
57 |
69 |
51 |
|
|
25/1/2021 |
15:00 - 15:59 |
39 |
42 |
31 |
|
16:00 - 16:59 |
44 |
40 |
33 |
|
|
17:00 - 17:59 |
53 |
33 |
34 |
|
|
31/1/2021 |
15:00 - 15:59 |
52 |
36 |
29 |
|
16:00 - 16:59 |
47 |
35 |
27 |
|
|
17:00 - 17:59 |
35 |
33 |
24 |
|
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 |
