APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: May 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. (%) |
|
04/05/2017 |
27 |
31 |
22 |
53 |
12.8 |
150 |
90 |
10/05/2017 |
89 |
97 |
61 |
94 |
7.0 |
090 |
81 |
16/05/2017 |
23 |
89 |
12 |
33 |
21.9 |
010 |
85 |
22/05/2017 |
29 |
29 |
24 |
24 |
34.0 |
090 |
93 |
28/05/2017 |
45 |
57 |
53 |
47 |
27.7 |
090 |
68 |
1 hour TSP Measurement:-
Date |
Time |
TSP concentration
(mg/m3) |
||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
04/05/2017 |
15:00 - 15:59 |
5 |
24 |
19 |
16:00 - 16:59 |
19 |
24 |
14 |
|
17:00 - 17:59 |
3 |
23 |
17 |
|
10/05/2017 |
15:00 - 15:59 |
94 |
100 |
45 |
16:00 - 16:59 |
70 |
78 |
28 |
|
17:00 - 17:59 |
82 |
63 |
16 |
|
16/05/2017 |
15:00 - 15:59 |
11 |
22 |
27 |
16:00 - 16:59 |
17 |
29 |
27 |
|
17:00 - 17:59 |
28 |
31 |
31 |
|
22/05/2017 |
15:00 - 15:59 |
29 |
30 |
24 |
16:00 - 16:59 |
32 |
33 |
27 |
|
17:00 - 17:59 |
33 |
34 |
28 |
|
28/05/2017 |
15:00 - 15:59 |
17 |
63 |
65 |
16:00 - 16:59 |
25 |
61 |
64 |
|
17:00 - 17:59 |
24 |
66 |
75 |
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 |