APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: July 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. (%) |
|
|
04/07/2002 |
139 |
53 |
35 |
36 |
9.7 |
220 |
78 |
|
10/07/2002 |
94 |
93 |
94 |
104 |
8.0 |
010 |
74 |
|
16/07/2002 |
42 |
41 |
20 |
15 |
33.2 |
230 |
84 |
|
22/07/2002 |
33 |
37 |
28 |
17 |
16.8 |
150 |
83 |
|
28/07/2002 |
19 |
22 |
18 |
11 |
24.6 |
050 |
92 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration (mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
04/07/2002 |
15:00-15:59 |
126 |
33 |
23 |
|
16:00-16:59 |
101 |
72 |
29 |
|
|
17:00-17:59 |
111 |
44 |
23 |
|
|
10/07/2002 |
15:00-15:59 |
154 |
190 |
161 |
|
16:00-16:59 |
121 |
126 |
101 |
|
|
17:00-17:59 |
86 |
89 |
87 |
|
|
16/07/2002 |
15:00-15:59 |
25 |
34 |
24 |
|
16:00-16:59 |
30 |
39 |
30 |
|
|
17:00-17:59 |
29 |
36 |
25 |
|
|
22/07/2002 |
15:00-15:59 |
11 |
23 |
14 |
|
16:00-16:59 |
5 |
17 |
8 |
|
|
17:00-17:59 |
25 |
27 |
23 |
|
|
28/07/2002 |
15:00-15:59 |
16 |
9 |
10 |
|
16:00-16:59 |
21 |
26 |
19 |
|
|
17:00-17:59 |
23 |
25 |
18 |
|
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 |