APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power
Station Extension
Month: March 2023
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. (%) |
|
|
3/3/2023 5 |
68 |
68 |
48 |
75 |
30.8 |
80 |
56 |
|
9/3/2023 |
66 |
51 |
31 |
18 |
5.0 |
230 |
75 |
|
15/3/2023 |
48 |
49 |
34 |
64 |
13.2 |
80 |
77 |
|
21/3/2023 |
26 |
27 |
15 |
19 |
14.8 |
170 |
85 |
|
27/3/2023 |
19 |
18 |
22 |
21 |
42.3 |
80 |
86 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
3/3/2023 |
15:00 - 15:59 |
66 |
119 |
50 |
|
16:00 - 16:59 |
69 |
76 |
58 |
|
|
17:00 - 17:59 |
84 |
76 |
56 |
|
|
9/3/2023 |
15:00 - 15:59 |
96 |
87 |
38 |
|
16:00 - 16:59 |
70 |
86 |
37 |
|
|
17:00 - 17:59 |
57 |
59 |
33 |
|
|
15/3/2023 |
15:00 - 15:59 |
70 |
47 |
38 |
|
16:00 - 16:59 |
50 |
49 |
36 |
|
|
17:00 - 17:59 |
47 |
49 |
39 |
|
|
21/3/2023 |
15:00 - 15:59 |
29 |
20 |
10 |
|
16:00 - 16:59 |
24 |
21 |
13 |
|
|
17:00 - 17:59 |
25 |
22 |
13 |
|
|
27/3/2023 |
15:00 - 15:59 |
20 |
21 |
24 |
|
16:00 - 16:59 |
22 |
21 |
32 |
|
|
17:00 - 17:59 |
12 |
17 |
30 |
|
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 |
