APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: April 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. (%) |
|
|
6/4/2020 |
20 |
21 |
18 |
11 |
34.1 |
60 |
92 |
|
12/4/2020 |
36 |
53 |
32 |
18 |
42.6 |
360 |
59 |
|
18/4/2020 |
44 |
47 |
36 |
35 |
6.5 |
60 |
81 |
|
24/4/2020 |
22 |
40 |
25 |
10 |
21.2 |
10 |
84 |
|
30/4/2020 |
55 |
53 |
39 |
25 |
9.7 |
50 |
74 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
6/4/2020 |
15:00 - 15:59 |
19 |
13 |
10 |
|
16:00 - 16:59 |
9 |
9 |
7 |
|
|
17:00 - 17:59 |
10 |
9 |
8 |
|
|
12/4/2020 |
15:00 - 15:59 |
110 |
97 |
57 |
|
16:00 - 16:59 |
113 |
67 |
49 |
|
|
17:00 - 17:59 |
62 |
54 |
51 |
|
|
18/4/2020 |
15:00 - 15:59 |
35 |
59 |
31 |
|
16:00 - 16:59 |
36 |
61 |
37 |
|
|
17:00 - 17:59 |
51 |
58 |
45 |
|
|
24/4/2020 |
15:00 - 15:59 |
37 |
78 |
46 |
|
16:00 - 16:59 |
50 |
75 |
50 |
|
|
17:00 - 17:59 |
60 |
53 |
43 |
|
|
30/4/2020 |
15:00 - 15:59 |
40 |
54 |
40 |
|
16:00 - 16:59 |
69 |
46 |
38 |
|
|
17:00 - 17:59 |
64 |
49 |
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 |
