APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: January 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. (%) |
|
1/1/2022 |
45 |
47 |
51 |
56 |
24.4 |
70 |
76 |
7/1/2022 |
51 |
52 |
45 |
36 |
31.5 |
70 |
79 |
13/1/2022 |
53 |
68 |
45 |
50 |
21.8 |
10 |
64 |
19/1/2022 |
30 |
39 |
20 |
21 |
16.8 |
10 |
70 |
25/1/2022 |
24 |
18 |
25 |
13 |
26.9 |
60 |
82 |
31/1/2022 |
27 |
22 |
21 |
24 |
35.0 |
40 |
70 |
1 hour TSP Measurement:-
Date |
Time |
TSP concentration
(mg/m3) |
||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
1/1/2022 |
15:00 - 15:59 |
38 |
41 |
45 |
16:00 - 16:59 |
39 |
40 |
42 |
|
17:00 - 17:59 |
36 |
38 |
50 |
|
7/1/2022 |
15:00 - 15:59 |
50 |
50 |
44 |
16:00 - 16:59 |
53 |
50 |
63 |
|
17:00 - 17:59 |
52 |
49 |
63 |
|
13/1/2022 |
15:00 - 15:59 |
50 |
84 |
53 |
16:00 - 16:59 |
97 |
81 |
60 |
|
17:00 - 17:59 |
52 |
64 |
43 |
|
19/1/2022 |
15:00 - 15:59 |
27 |
33 |
14 |
16:00 - 16:59 |
36 |
35 |
13 |
|
17:00 - 17:59 |
18 |
23 |
9 |
|
25/1/2022 |
15:00 - 15:59 |
44 |
25 |
30 |
16:00 - 16:59 |
35 |
27 |
28 |
|
17:00 - 17:59 |
35 |
27 |
25 |
|
31/1/2022 |
15:00 - 15:59 |
23 |
30 |
21 |
16:00 - 16:59 |
22 |
23 |
20 |
|
17:00 - 17:59 |
22 |
19 |
20 |
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 |