APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: August 2019
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. (%) |
|
|
4/8/2019 |
21 |
28 |
22 |
7 |
20.8 |
50 |
83 |
|
10/8/2019 |
28 |
71 |
44 |
- |
40.3 |
240 |
83 |
|
14/8/2019 |
- |
- |
- |
86 |
29.3 |
230 |
80 |
|
16/8/2019 |
25 |
43 |
26 |
12 |
28.8 |
230 |
81 |
|
22/8/2019 |
31 |
35 |
29 |
28 |
5.9 |
80 |
77 |
|
28/8/2019 |
42 |
55 |
16 |
47 |
17.7 |
70 |
77 |
Make-up sample for 10/8 at AM4 on 14/8 due to equipment fault
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
4/8/2019 |
15:00 - 15:59 |
14 |
24 |
19 |
|
16:00 - 16:59 |
21 |
24 |
19 |
|
|
17:00 - 17:59 |
15 |
26 |
17 |
|
|
10/8/2019 |
15:00 - 15:59 |
64 |
113 |
89 |
|
16:00 - 16:59 |
47 |
88 |
65 |
|
|
17:00 - 17:59 |
45 |
84 |
50 |
|
|
16/8/2019 |
15:00 - 15:59 |
30 |
45 |
29 |
|
16:00 - 16:59 |
22 |
52 |
30 |
|
|
17:00 - 17:59 |
27 |
48 |
31 |
|
|
22/8/2019 |
15:00 - 15:59 |
27 |
25 |
30 |
|
16:00 - 16:59 |
36 |
33 |
32 |
|
|
17:00 - 17:59 |
40 |
39 |
35 |
|
|
28/8/2019 |
15:00 - 15:59 |
67 |
58 |
53 |
|
16:00 - 16:59 |
32 |
36 |
31 |
|
|
17:00 - 17:59 |
22 |
18 |
25 |
|
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, East
Gate and Ash Lagoon |
TEOM |
TEOM |
|
Tai Yuen Village |
- |
MINIVOL Portable
Sampler |
