APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: June 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. (%) |
|
|
5/6/2019 |
14 |
17 |
12 |
17
(7/6) |
14.5 |
190 |
82 |
|
11/6/2019 |
27 |
35
(14/6) |
22 |
7 |
11.8 |
220 |
91 |
|
17/6/2019 |
26 |
26 |
20 |
14 |
26.2 |
090 |
88 |
|
23/6/2019 |
26 |
39 |
19 |
26 |
30.4 |
230 |
80 |
|
29/6/2019 |
26 |
32 |
22 |
8 |
21.6 |
190 |
79 |
Remarks: Equipment
failed at AM4 on 5/6/2019 and make up sampling conducted on 7/6/2019.
Equipment
failed at AM2 on 11/6/2019 and make up sampling conducted on 14/6/2019.
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
5/6/2019 |
15:00 - 15:59 |
14 |
20 |
10 |
|
16:00 - 16:59 |
16 |
17 |
10 |
|
|
17:00 - 17:59 |
17 |
15 |
10 |
|
|
11/6/2019 |
15:00 - 15:59 |
14 |
45 (14/6) |
11 |
|
16:00 - 16:59 |
14 |
46 (14/6) |
16 |
|
|
17:00 - 17:59 |
24 |
43 (14/6) |
13 |
|
|
17/6/2019 |
15:00 - 15:59 |
23 |
23 |
19 |
|
16:00 - 16:59 |
26 |
24 19 |
19 |
|
|
17:00 - 17:59 |
30 |
19 |
8 |
|
|
23/6/2019 |
15:00 - 15:59 |
26 |
39 |
20 |
|
16:00 - 16:59 |
29 |
39 |
25 |
|
|
17:00 - 17:59 |
29 |
56 |
22 |
|
|
29/6/2019 |
15:00 - 15:59 |
22 |
34 |
27 |
|
16:00 - 16:59 |
13 |
33 |
23 |
|
|
17:00 - 17:59 |
4 |
33 |
20 |
|
Remarks: Equipment failed at AM2 on 11/6/2019 and make up
sampling conducted on 14/6/2019.
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 |
