APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: February 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. (%) |
|
06/02/2004 |
55 |
65 |
51 |
49 |
28.2 |
020 |
74 |
12/02/2004 |
79 |
66 |
75 |
72 |
9.2 |
030 |
74 |
18/02/2004 |
86 |
89 |
84 |
93 |
14.3 |
050 |
85 |
24/02/2004 |
68 |
71 |
31 |
64 |
27.9 |
070 |
79 |
1 hour TSP Measurement:-
Date |
Time |
TSP concentration (mg/m3) |
||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
06/02/2004 |
15:00-15:59 |
49 |
51 |
53 |
16:00-16:59 |
48 |
48 |
44 |
|
17:00-17:59 |
53 |
58 |
58 |
|
12/02/2004 |
15:00-15:59 |
72 |
69 |
63 |
16:00-16:59 |
87 |
83 |
84 |
|
17:00-17:59 |
72 |
54 |
74 |
|
18/02/2004 |
15:00-15:59 |
63 |
60 |
62 |
16:00-16:59 |
68 |
81 |
70 |
|
17:00-17:59 |
62 |
56 |
65 |
|
24/02/2004 |
15:00-15:59 |
67 |
74 |
65 |
16:00-16:59 |
60 |
63 |
57 |
|
17:00-17:59 |
66 |
64 |
67 |
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 |