APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: March 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. (%) |
|
|
2/3/2021 |
32 |
47 |
28 |
46 |
26.9 |
80 |
75 |
|
8/3/2021 |
22 |
26 |
21 |
11 |
36.2 |
70 |
83 |
|
14/3/2021 |
45 |
46 |
38 |
31 |
26.9 |
70 |
80 |
|
20/3/2021 |
15 |
27 |
22 |
32 |
6.8 |
120 |
81 |
|
26/3/2021 |
39 |
38 |
29 |
46 |
32.7 |
70 |
75 |
|
31/3/2021 |
22 |
22 |
16 |
28 |
14.7 |
160 |
79 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
2/3/2021 |
15:00 - 15:59 |
29 |
39 |
24 |
|
16:00 - 16:59 |
36 |
38 |
32 |
|
|
17:00 - 17:59 |
37 |
39 |
33 |
|
|
8/3/2021 |
15:00 - 15:59 |
29 |
37 |
26 |
|
16:00 - 16:59 |
25 |
33 |
27 |
|
|
17:00 - 17:59 |
28 |
34 |
25 |
|
|
14/3/2021 |
15:00 - 15:59 |
49 |
50 |
42 |
|
16:00 - 16:59 |
41 |
44 |
38 |
|
|
17:00 - 17:59 |
40 |
48 |
42 |
|
|
20/3/2021 |
15:00 - 15:59 |
16 |
30 |
21 |
|
16:00 - 16:59 |
21 |
31 |
22 |
|
|
17:00 - 17:59 |
16 |
28 |
23 |
|
|
26/3/2021 |
15:00 - 15:59 |
37 |
39 |
30 |
|
16:00 - 16:59 |
39 |
38 |
28 |
|
|
17:00 - 17:59 |
39 |
37 |
29 |
|
|
31/3/2021 |
15:00 - 15:59 |
19 |
21 |
15 |
|
16:00 - 16:59 |
28 |
29 |
19 |
|
|
17:00 - 17:59 |
30 |
24 |
16 |
|
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 |
