APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: March 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. (%) |
|
|
02/03/2005 |
40 |
48 |
45 |
42 |
29.8 |
010 |
91 |
|
08/03/2005 |
63 |
56 |
64 |
75 |
16.8 |
050 |
78 |
|
14/03/2005 |
53 |
52 |
62 |
68 |
29.4 |
060 |
72 |
|
20/03/2005 |
54 |
51 |
64 |
76 |
18.3 |
050 |
70 |
|
26/03/2005 |
76 |
71 |
87 |
89 |
29.3 |
070 |
83 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration (mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
02/03/2005 |
15:00-15:59 |
35 |
42 |
26 |
|
16:00-16:59 |
38 |
135 |
17 |
|
|
17:00-17:59 |
32 |
49 |
11 |
|
|
08/03/2005 |
15:00-15:59 |
59 |
59 |
62 |
|
16:00-16:59 |
62 |
70 |
87 |
|
|
17:00-17:59 |
57 |
60 |
94 |
|
|
14/03/2005 |
15:00-15:59 |
65 |
66 |
70 |
|
16:00-16:59 |
54 |
56 |
62 |
|
|
17:00-17:59 |
56 |
69 |
58 |
|
|
20/03/2005 |
15:00-15:59 |
67 |
54 |
127 |
|
16:00-16:59 |
72 |
65 |
138 |
|
|
17:00-17:59 |
71 |
59 |
142 |
|
|
26/03/2005 |
15:00-15:59 |
86 |
80 |
100 |
|
16:00-16:59 |
88 |
82 |
152 |
|
|
17:00-17:59 |
81 |
74 |
132 |
|
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 |