APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: March 2004
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. (%) |
|
|
01/03/2004 |
32 |
50 |
30 |
42 |
17.9 |
180 |
83 |
|
07/03/2004 |
146 |
146 |
145 |
157 |
44.4 |
070 |
63 |
|
13/03/2004 |
50 |
50 |
50 |
67 |
28.8 |
070 |
87 |
|
19/03/2004 |
61 |
59 |
52 |
61 |
33.8 |
070 |
75 |
|
25/03/2004 |
25 |
24 |
21 |
28 |
26.6 |
050 |
96 |
|
31/03/2004 |
69 |
65 |
65 |
71 |
28.4 |
090 |
92 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration (mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
01/03/2004 |
15:00-15:59 |
30 |
43 |
24 |
|
16:00-16:59 |
29 |
57 |
25 |
|
|
17:00-17:59 |
29 |
33 |
28 |
|
|
07/03/2004 |
15:00-15:59 |
137 |
123 |
146 |
|
16:00-16:59 |
139 |
132 |
153 |
|
|
17:00-17:59 |
130 |
123 |
137 |
|
|
13/03/2004 |
15:00-15:59 |
58 |
57 |
60 |
|
16:00-16:59 |
52 |
48 |
54 |
|
|
17:00-17:59 |
51 |
51 |
48 |
|
|
19/03/2004 |
15:00-15:59 |
61 |
58 |
60 |
|
16:00-16:59 |
58 |
56 |
63 |
|
|
17:00-17:59 |
61 |
57 |
63 |
|
|
25/03/2004 |
15:00-15:59 |
30 |
20 |
21 |
|
16:00-16:59 |
35 |
31 |
29 |
|
|
17:00-17:59 |
17 |
21 |
19 |
|
|
31/03/2004 |
15:00-15:59 |
65 |
65 |
68 |
|
16:00-16:59 |
61 |
62 |
62 |
|
|
17:00-17:59 |
58 |
55 |
57 |
|
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 |