APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: March 2002
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. (%) |
|
|
06/03/2002 |
161 |
155 |
125 |
93 |
33.5 |
010 |
47 |
|
12/03/2002 |
49 |
51 |
63 |
85 |
16.3 |
060 |
84 |
|
18/03/2002 |
64 |
70 |
68 |
82 |
26.3 |
080 |
73 |
|
24/03/2002 |
32 |
36 |
53 |
22 |
26.7 |
050 |
95 |
|
30/03/2002 |
70 |
72 |
82 |
57 |
10.5 |
080 |
93 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration (mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
06/03/2002 |
15:00-15:59 |
118 |
104 |
104 |
|
16:00-16:59 |
140 |
139 |
140 |
|
|
17:00-17:59 |
187 |
181 |
181 |
|
|
12/03/2002 |
15:00-15:59 |
43 |
47 |
49 |
|
16:00-16:59 |
58 |
56 |
58 |
|
|
17:00-17:59 |
74 |
63 |
69 |
|
|
18/03/2002 |
15:00-15:59 |
37 |
52 |
50 |
|
16:00-16:59 |
57 |
67 |
62 |
|
|
17:00-17:59 |
62 |
61 |
59 |
|
|
24/03/2002 |
15:00-15:59 |
98 |
91 |
95 |
|
16:00-16:59 |
36 |
34 |
29 |
|
|
17:00-17:59 |
23 |
28 |
20 |
|
|
30/03/2002 |
15:00-15:59 |
91 |
91 |
94 |
|
16:00-16:59 |
103 |
98 |
105 |
|
|
17:00-17:59 |
91 |
93 |
87 |
|
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 G.
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 |