APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: July 2017
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. (%) |
|
03/07/2017 |
25 |
35 |
18 |
49 |
22.8 |
200 |
83 |
09/07/2017 |
28 |
40 |
16 |
44 |
19.1 |
190 |
81 |
15/07/2017 |
7 |
21 |
12 |
17 |
26.8 |
90 |
84 |
21/07/2017 |
19 |
19 |
11 |
15 |
29.7 |
80 |
81 |
27/07/2017 |
19 |
23 |
20 |
11 |
28.6 |
80 |
80 |
1 hour TSP Measurement:-
Date |
Time |
TSP concentration
(mg/m3) |
||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
03/07/2017 |
15:00 - 15:59 |
16 |
51 |
28 |
16:00 - 16:59 |
20 |
30 |
21 |
|
17:00 - 17:59 |
16 |
24 |
0 |
|
09/07/2017 |
15:00 - 15:59 |
28 |
24 |
0 |
16:00 - 16:59 |
24 |
31 |
29 |
|
17:00 - 17:59 |
19 |
40 |
55 |
|
15/07/2017 |
15:00 - 15:59 |
6 |
20 |
4 |
16:00 - 16:59 |
14 |
22 |
24 |
|
17:00 - 17:59 |
10 |
19 |
2 |
|
21/07/2017 |
15:00 - 15:59 |
18 |
13 |
23 |
16:00 - 16:59 |
18 |
15 |
24 |
|
17:00 - 17:59 |
25 |
16 |
24 |
|
27/07/2017 |
15:00 - 15:59 |
25 |
19 |
23 |
16:00 - 16:59 |
17 |
18 |
22 |
|
17:00 - 17:59 |
22 |
19 |
21 |
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 and East
Gate |
TEOM |
High Volume Air
Sampler |
Ash Lagoon |
TEOM |
TEOM |
Tai Yuen Village |
- |
MINIVOL Portable
Sampler |