APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: August 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. (%) |
|
|
03/08/2002 |
39 |
49 |
36 |
32 |
20.5 |
030 |
87 |
|
09/08/2002 |
27 |
30 |
41 |
10 |
14.5 |
180 |
92 |
|
15/08/2002 |
25 |
24 |
20 |
14 |
21.3 |
050 |
77 |
|
21/08/2002 |
27 |
38 |
62 |
14 |
13.2 |
090 |
88 |
|
27/08/2002 |
39 |
98 |
31 |
38 |
23.3 |
240 |
79 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration (mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
03/08/2002 |
15:00-15:59 |
0 |
12 |
2 |
|
16:00-16:59 |
0 |
56 |
25 |
|
|
17:00-17:59 |
0 |
61 |
17 |
|
|
09/08/2002 |
15:00-15:59 |
7 |
17 |
17 |
|
16:00-16:59 |
33 |
31 |
24 |
|
|
17:00-17:59 |
23 |
28 |
22 |
|
|
15/08/2002 |
15:00-15:59 |
18 |
18 |
13 |
|
16:00-16:59 |
24 |
21 |
18 |
|
|
17:00-17:59 |
16 |
20 |
19 |
|
|
21/08/2002 |
15:00-15:59 |
26 |
37 |
20 |
|
16:00-16:59 |
38 |
54 |
31 |
|
|
17:00-17:59 |
0 |
15 |
13 |
|
|
27/08/2002 |
15:00-15:59 |
33 |
112 |
34 |
|
16:00-16:59 |
35 |
123 |
36 |
|
|
17:00-17:59 |
33 |
100 |
35 |
|
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 |