APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: May 2019
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. (%) |
|
6/5/2019 |
6 |
10 |
9 |
26 |
42.0 |
060 |
90 |
12/5/2019 |
32 |
32 |
30 |
19 |
22.1 |
050 |
80 |
18/5/2019 |
40 |
43 |
32 |
50 |
26.9 |
230 |
80 |
24/5/2019 |
45 |
41 |
33 |
36 |
37.6 |
080 |
92 |
30/5/2019 |
34 |
37 |
30 |
46 |
37.3 |
070 |
89 |
1 hour TSP Measurement:-
Date |
Time |
TSP concentration
(mg/m3) |
||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
6/5/2019 |
15:00 - 15:59 |
8 |
11 |
12 |
16:00 - 16:59 |
9 |
12 |
10 |
|
17:00 - 17:59 |
7 |
12 |
10 |
|
12/5/2019 |
15:00 - 15:59 |
34 |
30 |
25 |
16:00 - 16:59 |
32 |
31 |
26 |
|
17:00 - 17:59 |
30 |
34 |
30 |
|
18/5/2019 |
15:00 - 15:59 |
61 |
37 |
26 |
16:00 - 16:59 |
52 |
35 |
26 |
|
17:00 - 17:59 |
61 |
37 |
30 |
|
24/5/2019 |
15:00 - 15:59 |
65 |
47 |
41 |
16:00 - 16:59 |
67 |
49 |
44 |
|
17:00 - 17:59 |
56 |
49 |
44 |
|
30/5/2019 |
15:00 - 15:59 |
37 |
43 |
35 |
16:00 - 16:59 |
49 |
44 |
34 |
|
17:00 - 17:59 |
45 |
38 |
29 |
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 |