APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: April 2005
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. (%) |
|
|
01/04/2005 |
31 |
30 |
35 |
46 |
27.7 |
070 |
91 |
|
07/04/2005 |
51 |
47 |
50 |
67 |
8.3 |
060 |
86 |
|
13/04/2005 |
44 |
43 |
41 |
46 |
25.8 |
020 |
91 |
|
19/04/2005 |
60 |
59 |
57 |
79 |
10.3 |
080 |
79 |
|
25/04/2005 |
36 |
37 |
36 |
72 |
12.4 |
090 |
91 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration (mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
01/04/2005 |
15:00-15:59 |
33 |
34 |
32 |
|
16:00-16:59 |
33 |
36 |
36 |
|
|
17:00-17:59 |
32 |
33 |
32 |
|
|
07/04/2005 |
15:00-15:59 |
48 |
52 |
46 |
|
16:00-16:59 |
54 |
43 |
50 |
|
|
17:00-17:59 |
55 |
54 |
53 |
|
|
13/04/2005 |
15:00-15:59 |
70 |
68 |
70 |
|
16:00-16:59 |
81 |
59 |
62 |
|
|
17:00-17:59 |
73 |
66 |
69 |
|
|
19/04/2005 |
15:00-15:59 |
76 |
77 |
61 |
|
16:00-16:59 |
67 |
95 |
59 |
|
|
17:00-17:59 |
71 |
71 |
63 |
|
|
25/04/2005 |
15:00-15:59 |
33 |
35 |
34 |
|
16:00-16:59 |
33 |
34 |
30 |
|
|
17:00-17:59 |
37 |
35 |
36 |
|
Remark:
(1)
The monitoring stations, Reservoir, East Gate
& Ash Lagoon are located within Lamma Power Station.
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 1400a |
High Volume Air Sampler |
|
Ash Lagoon |
Partisol Model 2000 Sampler |
|
|
Tai Yuen Village |
- |
MINIVOL Portable Sampler |