APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: October 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. (%) |
|
|
3/10/2021 |
23 |
22 |
19 |
8 |
25.0 |
90 |
79 |
|
9/10/2021 |
21 |
27 |
15 |
- |
58.8 |
100 |
91 |
|
12/10/2021 |
- |
- |
- |
40* |
62.4 |
360 |
65 |
|
15/10/2021 |
19 |
30 |
12 |
8 |
26.9 |
60 |
85 |
|
21/10/2021 |
25 |
33 |
26 |
14 |
20.3 |
360 |
80 |
|
27/10/2021 |
40 |
38 |
36 |
40 |
32.0 |
70 |
76 |
*TSP sampling at AM4 on 9/10 was rescheduled to 12/10 due to typhoon
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
3/10/2021 |
15:00 - 15:59 |
27 |
23 |
19 |
|
16:00 - 16:59 |
25 |
25 |
20 |
|
|
17:00 - 17:59 |
33 |
28 |
25 |
|
|
9/10/2021 |
15:00 - 15:59 |
20 |
32 |
18 |
|
16:00 - 16:59 |
21 |
29 |
21 |
|
|
17:00 - 17:59 |
22 |
32 |
20 |
|
|
15/10/2021 |
15:00 - 15:59 |
9 |
13 |
9 |
|
16:00 - 16:59 |
9 |
13 |
7 |
|
|
17:00 - 17:59 |
8 |
12 |
5 |
|
|
21/10/2021 |
15:00 - 15:59 |
29 |
50 |
31 |
|
16:00 - 16:59 |
18 |
49 |
30 |
|
|
17:00 - 17:59 |
16 |
37 |
30 |
|
|
27/10/2021 |
15:00 - 15:59 |
29 |
33 |
34 |
|
16:00 - 16:59 |
39 |
37 |
47 |
|
|
17:00 - 17:59 |
42 |
42 |
40 |
|
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 |
