APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: April 2018
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. (%) |
|
5/4/2018 |
32 |
31 |
35 |
46 |
7.0 |
110 |
78 |
11/4/2018 |
47 |
46 |
37 |
44 |
9.9 |
030 |
83 |
17/4/2018 |
35 |
45 |
37 |
33 |
19.1 |
010 |
82 |
23/4/2018 |
25 |
23 |
16 |
35 |
7.6 |
130 |
79 |
29/4/2018 |
46 |
46 |
45 |
38 |
14.4 |
070 |
82 |
1 hour TSP Measurement:-
Date |
Time |
TSP concentration
(mg/m3) |
||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
5/4/2018 |
15:00 - 15:59 |
22 |
15 |
31 |
16:00 - 16:59 |
26 |
30 |
37 |
|
17:00 - 17:59 |
29 |
31 |
36 |
|
11/4/2018 |
15:00 - 15:59 |
66 |
46 |
61 |
16:00 - 16:59 |
58 |
49 |
49 |
|
17:00 - 17:59 |
61 |
49 |
40 |
|
17/4/2018 |
15:00 - 15:59 |
32 |
30 |
28 |
16:00 - 16:59 |
31 |
35 |
32 |
|
17:00 - 17:59 |
35 |
35 |
35 |
|
23/4/2018 |
15:00 - 15:59 |
21 |
24 |
13 |
16:00 - 16:59 |
24 |
21 |
6 |
|
17:00 - 17:59 |
18 |
14 |
10 |
|
29/4/2018 |
15:00 - 15:59 |
47 |
40 |
37 |
16:00 - 16:59 |
47 |
41 |
40 |
|
17:00 - 17:59 |
40 |
43 |
38 |
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 |