APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: July 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. (%) |
|
|
5/7/2020 |
29 |
23 |
13 |
11 |
21.4 |
200 |
77 |
|
11/7/2020 |
30 |
27 |
20 |
26 |
22.3 |
190 |
76 |
|
17/7/2020 |
32 |
25 |
13 |
13 |
22.7 |
230 |
75 |
|
23/7/2020 |
18 |
16 |
9 |
10 |
8.0 |
200 |
73 |
|
29/7/2020 |
14 |
25 |
12 |
10 |
10.0 |
100 |
77 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
5/7/2020 |
15:00 - 15:59 |
32 |
33 |
11 |
|
16:00 - 16:59 |
59 |
35 |
13 |
|
|
17:00 - 17:59 |
48 |
29 |
15 |
|
|
11/7/2020 |
15:00 - 15:59 |
29 |
24 |
20 |
|
16:00 - 16:59 |
32 |
26 |
18 |
|
|
17:00 - 17:59 |
17 |
28 |
19 |
|
|
17/7/2020 |
15:00 - 15:59 |
33 |
35 |
12 |
|
16:00 - 16:59 |
27 |
37 |
12 |
|
|
17:00 - 17:59 |
29 |
30 |
15 |
|
|
23/7/2020 |
15:00 - 15:59 |
13 |
21 |
8 |
|
16:00 - 16:59 |
15 |
18 |
7 |
|
|
17:00 - 17:59 |
15 |
16 |
11 |
|
|
29/7/2020 |
15:00 - 15:59 |
16 |
15 |
10 |
|
16:00 - 16:59 |
11 |
19 |
11 |
|
|
17:00 - 17:59 |
24 |
22 |
13 |
|
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 |
