APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: July 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. (%) |
|
|
5/7/2019 |
33 |
47 |
29 |
15 |
31.4 |
230 |
79 |
|
11/7/2019 |
32 |
31 |
26 |
7 |
15.1 |
190 |
86 |
|
17/7/2019 |
60 |
65 |
53 |
72 |
14.2 |
290 |
79 |
|
23/7/2019 |
20 |
26 |
19 |
12 |
12.4 |
020 |
80 |
|
29/7/2019 |
12 |
14 |
11 |
8 |
27.0 |
060 |
82 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
5/7/2019 |
15:00 - 15:59 |
29 |
54 |
38 |
|
16:00 - 16:59 |
29 |
54 |
43 |
|
|
17:00 - 17:59 |
30 |
97 |
46 |
|
|
11/7/2019 |
15:00 - 15:59 |
23 |
17 |
17 |
|
16:00 - 16:59 |
21 |
36 |
24 |
|
|
17:00 - 17:59 |
27 |
53 |
39 |
|
|
17/7/2019 |
15:00 - 15:59 |
51 |
65 |
62 |
|
16:00 - 16:59 |
99 |
96 |
76 |
|
|
17:00 - 17:59 |
102 |
113 |
75 |
|
|
23/7/2019 |
15:00 - 15:59 |
19 |
24 |
15 |
|
16:00 - 16:59 |
17 |
24 |
18 |
|
|
17:00 - 17:59 |
21 |
26 |
23 |
|
|
29/7/2019 |
15:00 - 15:59 |
22 |
16 |
12 |
|
16:00 - 16:59 |
42 |
17 |
13 |
|
|
17:00 - 17:59 |
20 |
12 |
13 |
|
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 |
