APPENDIX E AIR QUALITY MONITORING RESULTS FOR JULY 2001
Site: Lamma Power
Station Extension
Month: July 2001
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. (%) |
|
03/07/2001 |
30 |
47 |
52 |
39 |
28.3 |
090 |
85 |
09/07/2001 |
29 |
31 |
42 |
26 |
8.8 |
220 |
81 |
15/07/2001 |
22 |
25 |
29 |
19 |
15.3 |
200 |
92 |
21/07/2001 |
28 |
25 |
85 |
18 |
27.5 |
110 |
93 |
27/07/2001 |
26 |
32 |
43 |
28 |
15.8 |
120 |
87 |
1 hour TSP Measurement:-
Date |
Time |
TSP concentration (mg/m3) |
||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
03/07/2001 |
15:00-15:59 |
32 |
23 |
35 |
16:00-16:59 |
13 |
10 |
24 |
|
17:00-17:59 |
12 |
0 |
20 |
|
09/07/2001 |
15:00-15:59 |
28 |
22 |
17 |
16:00-16:59 |
48 |
46 |
27 |
|
17:00-17:59 |
25 |
16 |
17 |
|
15/7/2001 (Remark 2) |
15:00-15:59 |
0 (16/07) |
10 |
7 |
16:00-16:59 |
0 (16/07) |
0 |
5 |
|
17:00-17:59 |
8 (16/07) |
0 |
3 |
|
21/07/2001 |
15:00-15:59 |
23 |
7 |
11 |
16:00-16:59 |
16 |
0 |
5 |
|
17:00-17:59 |
6 |
2 |
8 |
|
27/07/2001 |
15:00-15:59 |
21 |
21 |
18 |
16:00-16:59 |
31 |
17 |
23 |
|
17:00-17:59 |
31 |
15 |
22 |
Remark:
(1)
The monitoring stations, Reservoir, East Gate
& Ash Lagoon are located within Lamma Power Station.
(2)
TEOM at AM1 (Reservoir) was tripped on
15/7/2001. A make-up 1hr TSP
sampling for AM1 was carried out on 16/7/2001.
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 H.
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 |