APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: April 2006
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. (%) |
|
|
02/04/2006 |
79 |
59 |
75 |
85 |
4.3 |
340 |
88 |
|
08/04/2006 |
62 |
55 |
82 |
90 |
24.0 |
070 |
73 |
|
14/04/2006 |
91 |
85 |
87 |
83 |
18.9 |
030 |
87 |
|
20/04/2006 |
125 |
97 |
93 |
115 |
18.8 |
090 |
84 |
|
26/04/2006 |
33 |
34 |
33 |
46 |
16.2 |
220 |
83 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration (mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
02/04/2006 |
15:00-15:59 |
96 |
63 |
63 |
|
16:00-16:59 |
52 |
54 |
39 |
|
|
17:00-17:59 |
48 |
52 |
49 |
|
|
08/04/2006 |
15:00-15:59 |
75 |
84 |
69 |
|
16:00-16:59 |
71 |
80 |
45 |
|
|
17:00-17:59 |
65 |
70 |
51 |
|
|
14/04/2006 |
15:00-15:59 |
95 |
114 |
88 |
|
16:00-16:59 |
108 |
140 |
99 |
|
|
17:00-17:59 |
114 |
131 |
99 |
|
|
20/04/2006 |
15:00-15:59 |
108 |
107 |
103 |
|
16:00-16:59 |
168 |
154 |
159 |
|
|
17:00-17:59 |
171 |
165 |
168 |
|
|
26/04/2006 |
15:00-15:59 |
29 |
30 |
19 |
|
16:00-16:59 |
31 |
40 |
23 |
|
|
17:00-17:59 |
32 |
36 |
27 |
|
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 |