APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: February 2023
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. (%) |
|
|
1/2/2023 5 |
53 |
27 |
37 |
43 |
17.8 |
30 |
77 |
|
7/2/2023 |
22 |
19 |
15 |
32 |
11.3 |
80 |
83 |
|
13/2/2023 |
36 |
21 |
10 |
17 |
10.4 |
40 |
88 |
|
19/2/2023 |
52 |
49 |
31 |
47 |
17.5 |
360 |
67 |
|
25/2/2023 |
60 |
163 |
51 |
65 |
34.8 |
10 |
54 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
1/2/2023 |
15:00 - 15:59 |
45 |
40 |
27 |
|
16:00 - 16:59 |
41 |
37 |
29 |
|
|
17:00 - 17:59 |
41 |
23 |
35 |
|
|
7/2/2023 |
15:00 - 15:59 |
29 |
14 |
10 |
|
16:00 - 16:59 |
32 |
14 |
12 |
|
|
17:00 - 17:59 |
19 |
16 |
22 |
|
|
13/2/2023 |
15:00 - 15:59 |
29 |
20 |
15 |
|
16:00 - 16:59 |
20 |
22 |
14 |
|
|
17:00 - 17:59 |
31 |
20 |
12 |
|
|
19/2/2023 |
15:00 - 15:59 |
67 |
92 |
50 |
|
16:00 - 16:59 |
101 |
71 |
36 |
|
|
17:00 - 17:59 |
130 |
60 |
38 |
|
|
25/2/2023 |
15:00 - 15:59 |
74 |
117 |
59 |
|
16:00 - 16:59 |
64 |
92 |
58 |
|
|
17:00 - 17:59 |
67 |
75 |
55 |
|
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 |
