APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: July 2018
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. (%) |
|
4/7/2018 |
36 |
36 |
32 |
32 |
19.5 |
230 |
75 |
10/7/2018 |
23 |
25 |
24 |
13 |
32.4 |
220 |
78 |
16/7/2018 |
23 |
27 |
24 |
15 |
23.1 |
090 |
80 |
22/7/2018 |
20 |
22 |
20 |
15 |
41.8 |
070 |
81 |
28/7/2018 |
18 |
15 |
11 |
15 |
15.0 |
230 |
76 |
1 hour TSP Measurement:-
Date |
Time |
TSP concentration
(mg/m3) |
||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
4/7/2018 |
15:00 - 15:59 |
38 |
68 |
33 |
16:00 - 16:59 |
45 |
58 |
42 |
|
17:00 - 17:59 |
44 |
35 |
45 |
|
10/7/2018 |
15:00 - 15:59 |
25 |
18 |
23 |
16:00 - 16:59 |
21 |
27 |
23 |
|
17:00 - 17:59 |
30 |
28 |
26 |
|
16/7/2018 |
15:00 - 15:59 |
14 |
12 |
15 |
16:00 - 16:59 |
22 |
19 |
15 |
|
17:00 - 17:59 |
20 |
23 |
21 |
|
22/7/2018 |
15:00 - 15:59 |
13 |
16 |
23 |
16:00 - 16:59 |
5 |
17 |
10 |
|
17:00 - 17:59 |
14 |
21 |
10 |
|
28/7/2018 |
15:00 - 15:59 |
28 |
21 |
14 |
16:00 - 16:59 |
37 |
27 |
7 |
|
17:00 - 17:59 |
21 |
16 |
5 |
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 |