APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: January 2004
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. (%) |
|
|
01/01/2004 |
113 |
113 |
114 |
122 |
27.6 |
060 |
75 |
|
07/01/2004 |
79 |
77 |
84 |
94 |
29.0 |
070 |
79 |
|
13/01/2004 |
78 |
80 |
75 |
69 |
25.0 |
360 |
64 |
|
19/01/2004 |
85 |
45 |
31 |
39 |
30.7 |
360 |
87 |
|
25/01/2004 |
65 |
60 |
53 |
54 |
26.8 |
060 |
52 |
|
31/01/2004 |
71 |
59 |
93 |
58 |
35.0 |
070 |
85 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration (mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
01/01/2004 |
15:00-15:59 |
144 |
132 |
182 |
|
16:00-16:59 |
195 |
153 |
154 |
|
|
17:00-17:59 |
152 |
148 |
202 |
|
|
07/01/2004 |
15:00-15:59 |
70 |
69 |
65 |
|
16:00-16:59 |
73 |
70 |
61 |
|
|
17:00-17:59 |
86 |
90 |
101 |
|
|
13/01/2004 |
15:00-15:59 |
60 |
62 |
61 |
|
16:00-16:59 |
60 |
56 |
69 |
|
|
17:00-17:59 |
65 |
66 |
73 |
|
|
19/01/2004 |
15:00-15:60 |
27 |
27 |
30 |
|
16:00-16:60 |
33 |
40 |
34 |
|
|
17:00-17:60 |
27 |
23 |
30 |
|
|
25/01/2004 |
15:00-15:60 |
40 |
45 |
40 |
|
16:00-16:60 |
49 |
48 |
47 |
|
|
17:00-17:60 |
38 |
43 |
44 |
|
|
31/01/2004 |
15:00-15:60 |
50 |
49 |
60 |
|
16:00-16:60 |
49 |
47 |
56 |
|
|
17:00-17:60 |
67 |
63 |
69 |
|
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 |