APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: October 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. (%) |
|
|
5/10/2023 |
44 |
54 |
27 |
21 |
27.2 |
350 |
58
|
|
11/10/2023 |
25 |
30 |
14 |
24 |
25.3 |
10 |
75 |
|
17/10/2023 |
55 |
62 |
22 |
40 |
47.7 |
60 |
61 |
|
23/10/2023 |
41 |
40 |
17 |
24 |
25.5 |
70 |
77 |
|
29/10/2023 |
32 |
30 |
14 |
17 |
30.0 |
80 |
79 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
5/10/2023 |
15:00 - 15:59 |
45 |
74 |
31 |
|
16:00 - 16:59 |
44 |
51 |
29 |
|
|
17:00 - 17:59 |
49 |
36 |
26 |
|
|
11/10/2023 |
15:00 - 15:59 |
27 |
25 |
13 |
|
16:00 - 16:59 |
23 |
28 |
14 |
|
|
17:00 - 17:59 |
24 |
27 |
16 |
|
|
17/10/2023 |
15:00 - 15:59 |
44 |
60 |
18 |
|
16:00 - 16:59 |
43 |
91 |
18 |
|
|
17:00 - 17:59 |
48 |
75 |
21 |
|
|
23/10/2023 |
15:00 - 15:59 |
47 |
44 |
19 |
|
16:00 - 16:59 |
45 |
42 |
21 |
|
|
17:00 - 17:59 |
45 |
41 |
21 |
|
|
29/10/2023 |
15:00 - 15:59 |
34 |
34 |
18 |
|
16:00 - 16:59 |
39 |
40 |
18 |
|
|
17:00 - 17:59 |
45 |
46 |
19 |
|
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 |
