APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: January 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. (%) |
|
6/1/2019 |
39 |
55 |
39 |
49 |
20.0 |
020 |
83 |
12/1/2019 |
115 |
116 |
113 |
149 |
6.7 |
020 |
83 |
18/1/2019 |
46 |
48 |
43 |
24 |
26.4 |
060 |
75 |
24/1/2019 |
64 |
47 |
59 |
72 |
25.6 |
060 |
71 |
30/1/2019 |
35 |
31 |
33 |
31 |
25.8 |
050 |
73 |
1 hour TSP Measurement:-
Date |
Time |
TSP concentration
(mg/m3) |
||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
6/1/2019 |
15:00 - 15:59 |
38 |
30 |
19 |
16:00 - 16:59 |
19 |
24 |
14 |
|
17:00 - 17:59 |
15 |
22 |
14 |
|
12/1/2019 |
15:00 - 15:59 |
142 |
192 |
151 |
16:00 - 16:59 |
165 |
207 |
161 |
|
17:00 - 17:59 |
156 |
183 |
164 |
|
18/1/2019 |
15:00 - 15:59 |
41 |
62 |
47 |
16:00 - 16:59 |
50 |
77 |
52 |
|
17:00 - 17:59 |
56 |
80 |
54 |
|
24/1/2019 |
15:00 - 15:59 |
67 |
54 |
65 |
16:00 - 16:59 |
73 |
54 |
66 |
|
17:00 - 17:59 |
69 |
41 |
55 |
|
30/1/2019 |
15:00 - 15:59 |
53 |
40 |
38 |
16:00 - 16:59 |
37 |
38 |
33 |
|
17:00 - 17:59 |
36 |
36 |
31 |
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 |