APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: February 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. (%) |
|
|
4/2/2020 |
- |
- |
- |
21 |
31.0 |
050 |
84 |
|
6/2/2020 |
33 |
34 |
30 |
32 |
39.1 |
060 |
77 |
|
12/2/2020 |
54 |
51 |
46 |
31 |
11.3 |
040 |
89 |
|
18/2/2020 |
24 |
26 |
22 |
31 |
27.9 |
060 |
57 |
|
24/2/2020 |
54 |
50 |
47 |
36 |
28.1 |
050 |
76 |
Remarks: Makeup sampling for
AM4 of 31/1/2020 was conducted on 4/2/2020
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
6/2/2020 |
15:00 - 15:59 |
36 |
36 |
31 |
|
16:00 - 16:59 |
35 |
35 |
30 |
|
|
17:00 - 17:59 |
34 |
35 |
30 |
|
|
12/2/2020 |
15:00 - 15:59 |
78 |
77 |
56 |
|
16:00 - 16:59 |
75 |
75 |
60 |
|
|
17:00 - 17:59 |
57 |
61 |
52 |
|
|
18/2/2020 |
15:00 - 15:59 |
18 |
28 |
21 |
|
16:00 - 16:59 |
24 |
33 |
24 |
|
|
17:00 - 17:59 |
29 |
35 |
27 |
|
|
24/2/2020 |
15:00 - 15:59 |
51 |
42 |
38 |
|
16:00 - 16:59 |
51 |
46 |
46 |
|
|
17:00 - 17:59 |
46 |
41 |
37 |
|
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 |
