APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: September
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. (%) |
|
04/09/2005 |
25 |
28 |
25 |
28 |
25.9 |
090 |
93 |
10/09/2005 |
112 |
110 |
101 |
115 |
12.6 |
030 |
77 |
16/09/2005 |
40 |
38 |
42 |
46 |
24.8 |
070 |
76 |
22/09/2005 |
137 |
126 |
130 |
113 |
19.1 |
010 |
68 |
28/09/2005 |
52 |
50 |
94 |
76 |
20.7 |
090 |
85 |
1 hour TSP Measurement:-
Date |
Time |
TSP concentration (mg/m3) |
||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
04/09/2005 |
15:00-15:59 |
16 |
16 |
12 |
16:00-16:59 |
28 |
30 |
25 |
|
17:00-17:59 |
30 |
28 |
21 |
|
10/09/2005 |
15:00-15:59 |
120 |
188 |
110 |
16:00-16:59 |
126 |
153 |
112 |
|
17:00-17:59 |
116 |
129 |
107 |
|
16/09/2005 |
15:00-15:59 |
31 |
47 |
32 |
16:00-16:59 |
18 |
40 |
6 |
|
17:00-17:59 |
26 |
37 |
32 |
|
22/09/2005 |
15:00-15:59 |
151 |
146 |
123 |
16:00-16:59 |
78 |
83 |
98 |
|
17:00-17:59 |
108 |
109 |
101 |
|
28/09/2005 |
15:00-15:59 |
63 |
64 |
41 |
16:00-16:59 |
55 |
57 |
57 |
|
17:00-17:59 |
60 |
66 |
59 |
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 |