APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: July 2005
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. (%) |
|
|
06/07/2005 |
31 |
63 |
23 |
29 |
6.1 |
280 |
74 |
|
12/07/2005 |
26 |
44 |
22 |
21 |
10.5 |
210 |
73 |
|
18/07/2005 |
63 |
155 |
58 |
53 |
32.4 |
280 |
72 |
|
24/07/2005 |
31 |
63 |
23 |
29 |
8.9 |
040 |
82 |
|
30/07/2005 |
31 |
74 |
26 |
28 |
33.8 |
120 |
94 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration (mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
06/07/2005 |
15:00-15:59 |
50 |
84 |
17 |
|
16:00-16:59 |
57 |
154 |
26 |
|
|
17:00-17:59 |
44 |
46 |
28 |
|
|
12/07/2005 |
15:00-15:59 |
27 |
51 |
8 |
|
16:00-16:59 |
26 |
65 |
10 |
|
|
17:00-17:59 |
24 |
41 |
9 |
|
|
18/07/2005 |
15:00-15:59 |
77 |
212 |
77 |
|
16:00-16:59 |
76 |
130 |
85 |
|
|
17:00-17:59 |
83 |
128 |
84 |
|
|
24/07/2005 |
15:00-15:59 |
32 |
25 |
19 |
|
16:00-16:59 |
26 |
36 |
15 |
|
|
17:00-17:59 |
27 |
36 |
32 |
|
|
30/07/2005 |
15:00-15:59 |
28 |
38 |
30 |
|
16:00-16:59 |
25 |
31 |
21 |
|
|
17:00-17:59 |
15 |
31 |
21 |
|
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 |