APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: March 2020
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. (%) |
|
|
1/3/2020 |
34 |
30 |
27 |
25 |
7.1 |
220 |
82 |
|
7/3/2020 |
35 |
33 |
30 |
17 |
13.4 |
30 |
88 |
|
13/3/2020 |
40 |
40 |
34 |
24 |
13.6 |
20 |
91 |
|
19/3/2020 |
34 |
32 |
29 |
8 |
13.5 |
20 |
88 |
|
25/3/2020 |
35 |
36 |
32 |
31 |
22.6 |
70 |
83 |
|
31/3/2020 |
19 |
21 |
19 |
17 |
22.0 |
30 |
95 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
1/3/2020 |
15:00 - 15:59 |
27 |
36 |
30 |
|
16:00 - 16:59 |
48 |
29 |
25 |
|
|
17:00 - 17:59 |
29 |
23 |
25 |
|
|
7/3/2020 |
15:00 - 15:59 |
35 |
31 |
34 |
|
16:00 - 16:59 |
38 |
34 |
32 |
|
|
17:00 - 17:59 |
35 |
33 |
30 |
|
|
13/3/2020 |
15:00 - 15:59 |
61 |
61 |
43 |
|
16:00 - 16:59 |
46 |
42 |
43 |
|
|
17:00 - 17:59 |
47 |
37 |
38 |
|
|
19/3/2020 |
15:00 - 15:59 |
63 |
50 |
38 |
|
16:00 - 16:59 |
44 |
26 |
24 |
|
|
17:00 - 17:59 |
21 |
21 |
19 |
|
|
25/3/2020 |
15:00 - 15:59 |
30 |
29 |
29 |
|
16:00 - 16:59 |
29 |
32 |
28 |
|
|
17:00 - 17:59 |
39 |
33 |
29 |
|
|
31/3/2020 |
15:00 - 15:59 |
30 |
26 |
23 |
|
16:00 - 16:59 |
31 |
19 |
20 |
|
|
17:00 - 17:59 |
7 |
16 |
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 |
