APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: May 2002
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. (%) |
|
|
05/05/2002 |
32 |
35 |
30 |
47 |
24.5 |
090 |
79 |
|
11/05/2002 |
69 |
50 |
44 |
64 |
9.4 |
220 |
79 |
|
17/05/2002 |
20 |
19 |
17 |
25 |
16.9 |
060 |
89 |
|
23/05/2002 |
78 |
84 |
61 |
60 |
15.1 |
010 |
80 |
|
29/05/2002 |
40 |
38 |
38 |
43 |
14.4 |
050 |
77 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration (mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
05/05/2002 |
15:00-15:59 |
31 |
33 |
31 |
|
16:00-16:59 |
31 |
37 |
29 |
|
|
17:00-17:59 |
37 |
42 |
36 |
|
|
11/05/2002 |
15:00-15:59 |
57 |
44 |
41 |
|
16:00-16:59 |
91 |
98 |
89 |
|
|
17:00-17:59 |
117 |
119 |
113 |
|
|
17/05/2002 |
15:00-15:59 |
62 |
29 |
24 |
|
16:00-16:59 |
23 |
23 |
19 |
|
|
17:00-17:59 |
21 |
20 |
23 |
|
|
23/05/2002 |
15:00-15:59 |
136 |
135 |
133 |
|
16:00-16:59 |
76 |
76 |
78 |
|
|
17:00-17:59 |
37 |
47 |
45 |
|
|
29/05/2002 |
15:00-15:59 |
26 |
27 |
21 |
|
16:00-16:59 |
28 |
24 |
27 |
|
|
17:00-17:59 |
25 |
26 |
28 |
|
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 G.
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 |