APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: May 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. (%) |
|
|
6/5/2020 |
25 |
23 |
14 |
11 |
17.7 |
180 |
81 |
|
12/5/2020 |
33 |
35 |
27 |
14 |
4.6 |
170 |
82 |
|
18/5/2020 |
20 |
26 |
19 |
11 |
19.1 |
230 |
88 |
|
24/5/2020 |
17 |
25 |
15 |
21 |
18.1 |
060 |
82 |
|
30/5/2020 |
18 |
23 |
18 |
13 |
17.0 |
210 |
94 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
6/5/2020 |
15:00 - 15:59 |
35 |
55 |
16 |
|
16:00 - 16:59 |
51 |
28 |
14 |
|
|
17:00 - 17:59 |
31 |
16 |
12 |
|
|
12/5/2020 |
15:00 - 15:59 |
47 |
52 |
32 |
|
16:00 - 16:59 |
37 |
56 |
30 |
|
|
17:00 - 17:59 |
41 |
41 |
30 |
|
|
18/5/2020 |
15:00 - 15:59 |
21 |
27 |
15 |
|
16:00 - 16:59 |
22 |
28 |
21 |
|
|
17:00 - 17:59 |
15 |
22 |
16 |
|
|
24/5/2020 |
15:00 - 15:59 |
20 |
33 |
13 |
|
16:00 - 16:59 |
16 |
40 |
13 |
|
|
17:00 - 17:59 |
17 |
35 |
15 |
|
|
30/5/2020 |
15:00 - 15:59 |
18 |
16 |
11 |
|
16:00 - 16:59 |
14 |
16 |
11 |
|
|
17:00 - 17:59 |
15 |
17 |
14 |
|
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 |
