APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: January 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. (%) |
|
|
01/01/2005 |
94 |
115 |
72 |
89 |
27.7 |
010 |
43 |
|
07/01/2005 |
98 |
80 |
80 |
93 |
25.6 |
070 |
80 |
|
13/01/2005 |
138 |
107 |
93 |
89 |
29.5 |
010 |
82 |
|
19/01/2005 |
75 |
87 |
78 |
93 |
20.9 |
050 |
81 |
|
25/01/2005 |
44 |
37 |
39 |
57 |
8.4 |
050 |
88 |
|
31/01/2005 |
85 |
78 |
70 |
74 |
23.7 |
020 |
85 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration (mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
01/01/2005 |
15:00-15:59 |
116 |
122 |
69 |
|
16:00-16:59 |
146 |
206 |
92 |
|
|
17:00-17:59 |
127 |
123 |
84 |
|
|
07/01/2005 |
15:00-15:59 |
74 |
68 |
97 |
|
16:00-16:59 |
86 |
72 |
105 |
|
|
17:00-17:59 |
69 |
66 |
96 |
|
|
13/01/2005 |
15:00-15:59 |
59 |
50 |
33 |
|
16:00-16:59 |
78 |
69 |
48 |
|
|
17:00-17:59 |
114 |
94 |
68 |
|
|
19/01/2005 |
15:00-15:59 |
77 |
76 |
55 |
|
16:00-16:59 |
80 |
78 |
63 |
|
|
17:00-17:59 |
83 |
83 |
47 |
|
|
25/01/2005 |
15:00-15:59 |
30 |
37 |
48 |
|
16:00-16:59 |
35 |
33 |
42 |
|
|
17:00-17:59 |
39 |
42 |
26 |
|
|
31/01/2005 |
15:00-15:59 |
86 |
89 |
42 |
|
16:00-16:59 |
107 |
105 |
47 |
|
|
17:00-17:59 |
121 |
128 |
68 |
|
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 |