APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: January 2017
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. (%) |
|
|
04/01/2017 |
49 |
41 |
39 |
56 |
27.7 |
70 |
80 |
|
10/01/2017 |
67 |
56 |
51 |
51 |
36.6 |
70 |
80 |
|
16/01/2017 |
41 |
40 |
34 |
40 |
35.5 |
70 |
80 |
|
22/01/2017 |
75 |
87 |
67 |
43 |
18.8 |
20 |
58 |
|
28/01/2017 |
46 |
(1) |
44 |
17 |
30.4 |
60 |
79 |
|
01/02/2017 |
- |
49 |
- |
- |
(2) |
(2) |
(2) |
Note:
(1)
Breakdown of High Volume
Air Sampler. A make up 24-hr TSP
sampling was conducted on 1/2/2017.
(2)
Weather information from
Hong Kong Observatory not available.
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
04/01/2017 |
15:00 - 15:59 |
34 |
38 |
42 |
|
16:00 - 16:59 |
43 |
37 |
40 |
|
|
17:00 - 17:59 |
30 |
39 |
37 |
|
|
10/01/2017 |
15:00 - 15:59 |
42 |
47 |
44 |
|
16:00 - 16:59 |
51 |
55 |
53 |
|
|
17:00 - 17:59 |
55 |
58 |
57 |
|
|
16/01/2017 |
15:00 - 15:59 |
27 |
30 |
27 |
|
16:00 - 16:59 |
24 |
31 |
8 |
|
|
17:00 - 17:59 |
28 |
39 |
38 |
|
|
22/01/2017 |
15:00 - 15:59 |
48 |
63 |
39 |
|
16:00 - 16:59 |
30 |
54 |
47 |
|
|
17:00 - 17:59 |
71 |
71 |
65 |
|
|
28/01/2017 |
15:00 - 15:59 |
46 |
41 |
38 |
|
16:00 - 16:59 |
37 |
41 |
37 |
|
|
17:00 - 17:59 |
44 |
42 |
41 |
|
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 |
High Volume Air
Sampler |
|
Ash Lagoon |
TEOM |
TEOM |
|
Tai Yuen Village |
- |
MINIVOL Portable
Sampler |