APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: September
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. (%) |
|
|
03/09/2003 |
32 |
46 |
26 |
25 |
36.0 |
100 |
90 |
|
09/09/2003 |
25 |
28 |
23 |
6 |
12.0 |
060 |
82 |
|
15/09/2003 |
21 |
38 |
22 |
7 |
35.3 |
120 |
95 |
|
21/09/2003 |
58 |
48 |
46 |
33 |
13.1 |
010 |
80 |
|
27/09/2003 |
41 |
40 |
41 |
40 |
21.8 |
080 |
76 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration (mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
03/09/2003 |
15:00-15:59 |
38 |
43 |
36 |
|
16:00-16:59 |
33 |
38 |
32 |
|
|
17:00-17:59 |
16 |
23 |
14 |
|
|
09/09/2003 |
15:00-15:59 |
27 |
39 |
25 |
|
16:00-16:59 |
24 |
21 |
19 |
|
|
17:00-17:59 |
37 |
38 |
34 |
|
|
15/09/2003 |
15:00-15:59 |
9 |
18 |
16 |
|
16:00-16:59 |
10 |
23 |
16 |
|
|
17:00-17:59 |
19 |
38 |
20 |
|
|
21/09/2003 |
15:00-15:59 |
46 |
64 |
64 |
|
16:00-16:59 |
29 |
29 |
28 |
|
|
17:00-17:59 |
48 |
49 |
53 |
|
|
27/09/2003 |
15:00-15:59 |
47 |
43 |
45 |
|
16:00-16:59 |
40 |
39 |
41 |
|
|
17:00-17:59 |
50 |
49 |
47 |
|
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 |