APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: October 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. (%) |
|
|
03/10/2003 |
54 |
55 |
56 |
51 |
29.9 |
070 |
73 |
|
09/10/2003 |
37 |
38 |
33 |
36 |
36.8 |
070 |
77 |
|
15/10/2003 |
60 |
73 |
62 |
49 |
29.3 |
360 |
69 |
|
21/10/2003 |
84 |
85 |
87 |
79 |
13.4 |
090 |
68 |
|
27/10/2003 |
89 |
84 |
92 |
76 |
18.8 |
070 |
74 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration (mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
03/10/2003 |
15:00-15:59 |
65 |
79 |
68 |
|
16:00-16:59 |
69 |
75 |
66 |
|
|
17:00-17:59 |
45 |
41 |
42 |
|
|
09/10/2003 |
15:00-15:59 |
49 |
35 |
36 |
|
16:00-16:59 |
37 |
32 |
36 |
|
|
17:00-17:59 |
41 |
36 |
44 |
|
|
15/10/2003 |
15:00-15:59 |
62 |
92 |
62 |
|
16:00-16:59 |
68 |
89 |
72 |
|
|
17:00-17:59 |
56 |
75 |
59 |
|
|
21/10/2003 |
15:00-15:59 |
160 |
140 |
135 |
|
16:00-16:59 |
121 |
111 |
114 |
|
|
17:00-17:59 |
108 |
100 |
98 |
|
|
27/10/2003 |
15:00-15:59 |
111 |
109 |
122 |
|
16:00-16:59 |
120 |
125 |
99 |
|
|
17:00-17:59 |
136 |
120 |
130 |
|
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 |