APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: November 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. (%) |
|
|
02/11/2004 |
117 |
95 |
99 |
94 |
21.7 |
010 |
71 |
|
08/11/2004 |
50 |
46 |
44 |
50 |
28.5 |
080 |
78 |
|
14/11/2004 |
60 |
45 |
54 |
44 |
12.7 |
060 |
82 |
|
20/11/2004 |
99 |
82 |
91 |
93 |
26.9 |
080 |
68 |
|
26/11/2004 |
164 |
138 |
125 |
103 |
33.5 |
010 |
66 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration (mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
02/11/2004 |
15:00-15:59 |
108 |
93 |
107 |
|
16:00-16:59 |
99 |
88 |
96 |
|
|
17:00-17:59 |
81 |
73 |
81 |
|
|
08/11/2004 (2) |
15:00-15:59 |
70 (9/11) |
45 |
47 |
|
16:00-16:59 |
72 (9/11) |
45 |
48 |
|
|
17:00-17:59 |
68 (9/11) |
48 |
51 |
|
|
14/11/2004 |
15:00-15:59 |
40 |
39 |
31 |
|
16:00-16:59 |
52 |
44 |
50 |
|
|
17:00-17:59 |
63 |
67 |
66 |
|
|
20/11/2004 |
15:00-15:59 |
89 |
84 |
90 |
|
16:00-16:59 |
99 |
95 |
101 |
|
|
17:00-17:59 |
87 |
81 |
88 |
|
|
26/11/2004 |
15:00-15:59 |
175 |
125 |
131 |
|
16:00-16:59 |
137 |
105 |
103 |
|
|
17:00-17:59 |
104 |
99 |
93 |
|
Remark:
(1)
The monitoring stations, Reservoir, East Gate
& Ash Lagoon are located within Lamma Power Station.
(2)
TEOM 1-hr TSP sampler at AM1 (Reservoir) was
found defective on 08/11/2004. A
make-up 1hr TSP sampling for AM1 was carried out on 09/11/2004.
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 |