APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: May 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. (%) |
|
|
06/05/2003 |
28 |
27 |
21 |
21 |
30.2 |
190 |
84 |
|
12/05/2003 |
38 |
37 |
38 |
40 |
20.2 |
080 |
86 |
|
18/05/2003 |
50 |
51 |
51 |
40 |
18.0 |
020 |
88 |
|
24/05/2003 |
25 |
27 |
28 |
25 |
11.6 |
130 |
81 |
|
30/05/2003 |
111 |
106 |
109 |
88 |
11.0 |
090 |
77 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration (mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
06/05/2003 |
15:00-15:59 |
21 |
23 |
20 |
|
16:00-16:59 |
24 |
33 |
28 |
|
|
17:00-17:59 |
24 |
35 |
29 |
|
|
12/05/2003 |
15:00-15:59 |
44 |
42 |
44 |
|
16:00-16:59 |
39 |
35 |
38 |
|
|
17:00-17:59 |
38 |
36 |
39 |
|
|
18/05/2003 |
15:00-15:59 |
91 |
82 |
83 |
|
16:00-16:59 |
69 |
58 |
70 |
|
|
17:00-17:59 |
17 |
7 |
18 |
|
|
24/05/2003 |
15:00-15:59 |
22 |
22 |
19 |
|
16:00-16:59 |
18 |
18 |
15 |
|
|
17:00-17:59 |
27 |
24 |
20 |
|
|
30/05/2003 |
15:00-15:59 |
121 |
120 |
110 |
|
16:00-16:59 |
129 |
98 |
103 |
|
|
17:00-17:59 |
106 |
91 |
89 |
|
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 |