APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: January 2018
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. (%) |
|
5/1/2018 |
27 |
28 |
30 |
36 |
25.5 |
060 |
87 |
11/1/2018 |
28 |
27 |
37 |
38 |
31 |
360 |
42 |
17/1/2018 |
80 |
81 |
98 |
143 |
9.4 |
030 |
60 |
23/1/2018 |
44 |
43 |
42 |
56 |
23.9 |
070 |
78 |
29/1/2018 |
19 |
27 |
25 |
42 |
34.3 |
350 |
76 |
1 hour TSP Measurement:-
Date |
Time |
TSP concentration
(mg/m3) |
||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
5/1/2018 |
15:00 - 15:59 |
18 |
23 |
31 |
16:00 - 16:59 |
36 |
36 |
42 |
|
17:00 - 17:59 |
42 |
34 |
43 |
|
11/1/2018 |
15:00 - 15:59 |
26 |
27 |
37 |
16:00 - 16:59 |
26 |
31 |
43 |
|
17:00 - 17:59 |
29 |
35 |
45 |
|
17/1/2018 |
15:00 - 15:59 |
107 |
92 |
157 |
16:00 - 16:59 |
93 |
96 |
148 |
|
17:00 - 17:59 |
87 |
98 |
37 |
|
23/1/2018 |
15:00 - 15:59 |
64 |
53 |
63 |
16:00 - 16:59 |
71 |
58 |
60 |
|
17:00 - 17:59 |
59 |
57 |
57 |
|
29/1/2018 |
15:00 - 15:59 |
27 |
33 |
33 |
16:00 - 16:59 |
24 |
31 |
34 |
|
17:00 - 17:59 |
34 |
32 |
30 |
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 |