APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: February 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. (%) |
|
03/02/2017 |
37 |
45 |
38 |
29 |
(1) |
(1) |
76 |
09/02/2017 |
79 |
89 |
35 |
28 |
(1) |
(1) |
56 |
15/02/2017 |
36 |
38 |
39 |
46 |
(1) |
(1) |
62 |
21/02/2017 |
43 |
39 |
28 |
56 |
(1) |
(1) |
90 |
27/02/2017 |
63 |
53 |
46 |
36 |
(1) |
(1) |
66 |
Note: (1) 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) |
||
03/02/2017 |
15:00 - 15:59 |
31 |
42 |
47 |
16:00 - 16:59 |
50 |
50 |
54 |
|
17:00 - 17:59 |
48 |
46 |
46 |
|
9/02/2017 |
15:00 - 15:59 |
70 |
92 |
62 |
16:00 - 16:59 |
64 |
84 |
60 |
|
17:00 - 17:59 |
61 |
74 |
53 |
|
15/02/2017 |
15:00 - 15:59 |
44 |
32 |
27 |
16:00 - 16:59 |
32 |
41 |
38 |
|
17:00 - 17:59 |
58 |
52 |
62 |
|
21/02/2017 |
15:00 - 15:59 |
29 |
33 |
26 |
16:00 - 16:59 |
27 |
29 |
27 |
|
17:00 - 17:59 |
22 |
23 |
27 |
|
27/02/2017 |
15:00 - 15:59 |
39 |
46 |
49 |
16:00 - 16:59 |
58 |
57 |
65 |
|
17:00 - 17:59 |
64 |
62 |
70 |
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 |