APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: July 2003
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. (%) |
|
|
05/07/2003 |
25 |
33 |
15 |
8 |
15.4 |
220 |
70 |
|
11/07/2003 |
21 |
16 |
11 |
8 |
26.1 |
150 |
82 |
|
17/07/2003 |
24 |
33 |
18 |
11 |
21.7 |
230 |
73 |
|
23/07/2003 |
61 |
65 |
83 |
42 |
53.9 |
060 |
77 |
|
29/07/2003 |
22 |
19 |
15 |
6 |
10.9 |
160 |
75 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration (mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
05/07/2003 |
15:00-15:59 |
28 |
57 |
22 |
|
16:00-16:59 |
25 |
27 |
17 |
|
|
17:00-17:59 |
38 |
21 |
24 |
|
|
11/07/2003 |
15:00-15:59 |
25 |
37 |
35 |
|
16:00-16:59 |
8 |
12 |
3 |
|
|
17:00-17:59 |
13 |
12 |
15 |
|
|
17/07/2003 |
15:00-15:59 |
25 |
35 |
33 |
|
16:00-16:59 |
15 |
45 |
24 |
|
|
17:00-17:59 |
20 |
31 |
25 |
|
|
23/07/2003 |
15:00-15:59 |
51 |
60 |
74 |
|
16:00-16:59 |
8 |
8 |
11 |
|
|
17:00-17:59 |
16 |
26 |
12 |
|
|
29/07/2003 |
15:00-15:59 |
20 |
21 |
23 |
|
16:00-16:59 |
16 |
18 |
12 |
|
|
17:00-17:59 |
17 |
17 |
14 |
|
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 |