APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: April 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. (%) |
|
|
06/04/2003 |
67 |
65 |
65 |
53 |
36.8 |
070 |
78 |
|
12/04/2003 |
27 |
28 |
39 |
19 |
22.3 |
180 |
86 |
|
18/04/2003 |
31 |
33 |
28 |
42 |
19.2 |
110 |
89 |
|
24/04/2003 |
33 |
40 |
27 |
28 |
17.7 |
220 |
77 |
|
30/04/2003 |
78 |
38 |
78 |
64 |
26.2 |
010 |
71 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration (mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
06/04/2003 |
15:00-15:59 |
78 |
73 |
83 |
|
16:00-16:59 |
75 |
71 |
79 |
|
|
17:00-17:59 |
67 |
67 |
68 |
|
|
12/04/2003 |
15:00-15:59 |
26 |
23 |
16 |
|
16:00-16:59 |
23 |
21 |
15 |
|
|
17:00-17:59 |
26 |
23 |
18 |
|
|
18/04/2003 |
15:00-15:59 |
34 |
35 |
38 |
|
16:00-16:59 |
37 |
37 |
38 |
|
|
17:00-17:59 |
37 |
37 |
37 |
|
|
24/04/2003 |
15:00-15:59 |
17 |
38 |
17 |
|
16:00-16:59 |
29 |
43 |
20 |
|
|
17:00-17:59 |
41 |
56 |
29 |
|
|
30/04/2003 |
15:00-15:59 |
102 |
95 |
102 |
|
16:00-16:59 |
85 |
77 |
81 |
|
|
17:00-17:59 |
82 |
76 |
81 |
|
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 |