APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: October 2022
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. (%) |
|
|
4/10/2022 5 |
34 |
28 |
27 |
21 |
9.3 |
70 |
76 |
|
10/10/2022 |
59 |
80 |
43 |
42 |
43.6 |
360 |
51 |
|
16/10/2022 |
102 |
79 |
55 |
89 |
39.1 |
360 |
46 |
|
22/10/2022 |
44 |
36 |
43 |
35 |
11.9 |
90 |
67 |
|
28/10/2022 |
50 |
38 |
44 |
43 |
24.8 |
70 |
68 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
4/10/2022 |
15:00 - 15:59 |
96 |
28 |
39 |
|
16:00 - 16:59 |
118 |
28 |
37 |
|
|
17:00 - 17:59 |
51 |
27 |
35 |
|
|
10/10/2022 |
15:00 - 15:59 |
45 |
63 |
56 |
|
16:00 - 16:59 |
59 |
67 |
86 |
|
|
17:00 - 17:59 |
59 |
70 |
79 |
|
|
16/10/2022 |
15:00 - 15:59 |
82 |
87 |
64 |
|
16:00 - 16:59 |
122 |
90 |
69 |
|
|
17:00 - 17:59 |
148 |
81 |
66 |
|
|
22/10/2022 |
15:00 - 15:59 |
48 |
41 |
44 |
|
16:00 - 16:59 |
52 |
38 |
54 |
|
|
17:00 - 17:59 |
46 |
42 |
51 |
|
|
28/10/2022 |
15:00 - 15:59 |
79 |
58 |
58 |
|
16:00 - 16:59 |
73 |
44 |
55 |
|
|
17:00 - 17:59 |
64 |
33 |
44 |
|
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 |
