APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: March 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. (%) |
|
1/3/2019 |
31 |
57 |
29 |
21 |
30.6 |
060 |
89 |
7/3/2019 |
8 |
45 |
11 |
7 |
39.5 |
040 |
93 |
13/3/2019 |
52 |
64 |
49 |
33 |
30 |
050 |
71 |
19/3/2019 |
37 |
66 |
36 |
24 |
9 |
100 |
84 |
25/3/2019 |
32 |
17 |
25 |
33 |
19.1 |
060 |
85 |
31/3/2019 |
45 |
39 |
44 |
31 |
44.3 |
070 |
85 |
1 hour TSP Measurement:-
Date |
Time |
TSP concentration
(mg/m3) |
||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
1/3/2019 |
15:00 - 15:59 |
31 |
62 |
30 |
16:00 - 16:59 |
33 |
62 |
33 |
|
17:00 - 17:59 |
38 |
58 |
37 |
|
7/3/2019 |
15:00 - 15:59 |
9 |
19 |
16 |
16:00 - 16:59 |
14 |
19 |
11 |
|
17:00 - 17:59 |
9 |
26 |
4 |
|
13/3/2019 |
15:00 - 15:59 |
65 |
106 |
57 |
16:00 - 16:59 |
62 |
132 |
51 |
|
17:00 - 17:59 |
56 |
113 |
49 |
|
19/3/2019 |
15:00 - 15:59 |
32 |
51 |
28 |
16:00 - 16:59 |
35 |
54 |
29 |
|
17:00 - 17:59 |
35 |
54 |
30 |
|
25/3/2019 |
15:00 - 15:59 |
33 |
51 |
27 |
16:00 - 16:59 |
39 |
54 |
30 |
|
17:00 - 17:59 |
46 |
54 |
33 |
|
31/3/2019 |
15:00 - 15:59 |
68 |
47 |
68 |
16:00 - 16:59 |
77 |
44 |
68 |
|
17:00 - 17:59 |
69 |
42 |
68 |
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 |