APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: September
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. (%) |
|
|
02/09/2002 |
30 |
62 |
22 |
38 |
12.7 |
200 |
74 |
|
08/09/2002 |
98 |
76 |
72 |
82 |
15.8 |
360 |
59 |
|
14/09/2002 |
24 |
30 |
66 |
25 |
14.7 |
110 |
92 |
|
20/09/2002 |
43 |
38 |
50 |
35 |
28.2 |
090 |
77 |
|
26/09/2002 |
32 |
37 |
32 |
17 |
29.7 |
080 |
87 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration (mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
02/09/2002 |
15:00-15:59 |
31 |
58 |
21 |
|
16:00-16:59 |
29 |
49 |
20 |
|
|
17:00-17:59 |
20 |
60 |
38 |
|
|
08/09/2002 |
15:00-15:59 |
76 |
51 |
54 |
|
16:00-16:59 |
89 |
70 |
63 |
|
|
17:00-17:59 |
76 |
63 |
60 |
|
|
14/09/2002 |
15:00-15:59 |
16 |
18 |
16 |
|
16:00-16:59 |
9 |
15 |
11 |
|
|
17:00-17:59 |
16 |
22 |
15 |
|
|
20/09/2002 |
15:00-15:59 |
37 |
32 |
38 |
|
16:00-16:59 |
43 |
44 |
50 |
|
|
17:00-17:59 |
42 |
42 |
49 |
|
|
26/09/2002 |
15:00-15:59 |
42 |
42 |
42 |
|
16:00-16:59 |
43 |
48 |
42 |
|
|
17:00-17:59 |
36 |
40 |
34 |
|
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 |