APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: June 2005
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. (%) |
|
|
06/06/2005 |
58 |
59 |
49 |
60 |
39.0 |
080 |
82 |
|
12/06/2005 |
31 |
47 |
* |
32 |
23.1 |
240 |
80 |
|
15/06/2005 |
- |
- |
31 |
- |
20.2 |
250 |
92 |
|
18/06/2005 |
49 |
38 |
22 |
35 |
33.0 |
220 |
82 |
|
24/06/2005 |
30 |
36 |
27 |
36 |
17.9 |
200 |
93 |
|
30/06/2005 |
15 |
21 |
13 |
18 |
32.3 |
170 |
91 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration (mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
06/06/2005 |
15:00-15:59 |
67 |
66 |
70 |
|
16:00-16:59 |
58 |
61 |
60 |
|
|
17:00-17:59 |
56 |
53 |
57 |
|
|
12/06/2005 |
15:00-15:59 |
28 |
33 |
25 |
|
16:00-16:59 |
35 |
46 |
28 |
|
|
17:00-17:59 |
36 |
70 |
33 |
|
|
18/06/2005 |
15:00-15:59 |
50 |
36 |
20 |
|
16:00-16:59 |
57 |
37 |
21 |
|
|
17:00-17:59 |
111 |
34 |
21 |
|
|
24/06/2005 |
15:00-15:59 |
# |
15 |
17 |
|
16:00-16:59 |
# |
40 |
24 |
|
|
17:00-17:59 |
# |
37 |
34 |
|
|
26/06/2005 |
15:00-15:59 |
21 |
- |
- |
|
16:00-16:59 |
13 |
- |
- |
|
|
17:00-17:59 |
25 |
- |
- |
|
|
30/06/2005 |
15:00-15:59 |
12 |
18 |
14 |
|
16:00-16:59 |
14 |
17 |
17 |
|
|
17:00-17:59 |
9 |
13 |
13 |
|
Remark:
* - 24-hr Partisol TSP
sampler at AM3 (Ash Lagoon) was found defective on 13/06/2005, during the collection
of filter sample. MiniVol TSP
sampler was used to conduct the 24-hr TSP make-up sampling on 15/06/2005. A new Partisol TSP sampler was
installed on 17/06/2005 to replace the defective sampler.
# - Missing data was due to power
failure of 1-hr TEOM TSP sampler at AM1 (Reservoir) on 24/06/2005. Make-up 1-hr TSP sampling was conducted
on 26/06/2005.
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 |