APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: October 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. (%) |
|
|
03/10/2004 |
107 |
84 |
77 |
92 |
42.5 |
010 |
50 |
|
09/10/2004 |
101 |
93 |
95 |
104 |
18.8 |
020 |
54 |
|
15/10/2004 |
84 |
83 |
84 |
97 |
33.2 |
090 |
67 |
|
21/10/2004 |
91 |
83 |
96 |
108 |
23.5 |
090 |
73 |
|
27/10/2004 |
101 |
88 |
101 |
97 |
34.0 |
090 |
66 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration (mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
03/10/2004 |
15:00-15:59 |
65 |
77 |
76 |
|
16:00-16:59 |
69 |
163 |
112 |
|
|
17:00-17:59 |
45 |
96 |
107 |
|
|
09/10/2004 |
15:00-15:59 |
112 |
105 |
118 |
|
16:00-16:59 |
122 |
123 |
126 |
|
|
17:00-17:59 |
109 |
100 |
117 |
|
|
15/10/2004 |
15:00-15:59 |
75 |
70 |
80 |
|
16:00-16:59 |
72 |
62 |
78 |
|
|
17:00-17:59 |
91 |
80 |
92 |
|
|
21/10/2004 |
15:00-15:59 |
87 |
85 |
90 |
|
16:00-16:59 |
91 |
75 |
99 |
|
|
17:00-17:59 |
104 |
98 |
104 |
|
|
27/10/2004 |
15:00-15:59 |
124 |
103 |
125 |
|
16:00-16:59 |
101 |
88 |
96 |
|
|
17:00-17:59 |
102 |
82 |
109 |
|
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 / MINIVOL Portable sampler |
|
|
Tai Yuen Village |
- |
MINIVOL Portable Sampler |