APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: September 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. (%) |
|
|
3/9/2020 |
50 |
48 |
49 |
56 |
11.3 |
260 |
78 |
|
9/9/2020 |
18 |
26 |
15 |
31 |
6.3 |
100 |
86 |
|
15/9/2020 |
16 |
20 |
14 |
53 |
29.1 |
70 |
92 |
|
21/9/2020 |
12 |
18 |
12 |
29 |
23.4 |
90 |
91 |
|
27/9/2020 |
31 |
34 |
25 |
25 |
40.8 |
80 |
81 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
3/9/2020 |
15:00 - 15:59 |
53 |
51 |
42 |
|
16:00 - 16:59 |
38 |
42 |
44 |
|
|
17:00 - 17:59 |
65 |
49 |
46 |
|
|
9/9/2020 |
15:00 - 15:59 |
8 |
24 |
7 |
|
16:00 - 16:59 |
18 |
34 |
12 |
|
|
17:00 - 17:59 |
25 |
24 |
16 |
|
|
15/9/2020 |
15:00 - 15:59 |
10 |
12 |
6 |
|
16:00 - 16:59 |
9 |
11 |
6 |
|
|
17:00 - 17:59 |
3 |
12 |
4 |
|
|
21/9/2020 |
15:00 - 15:59 |
11 |
14 |
11 |
|
16:00 - 16:59 |
10 |
13 |
15 |
|
|
17:00 - 17:59 |
21 |
20 |
13 |
|
|
27/9/2020 |
15:00 - 15:59 |
28 |
30 |
21 |
|
16:00 - 16:59 |
25 |
29 |
22 |
|
|
17:00 - 17:59 |
27 |
35 |
23 |
|
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 |
