APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power Station Extension
Month: June 2016
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.
(%) |
|
|
02/06/2016 |
31 |
55 |
27 |
17 |
27.4 |
230 |
79 |
|
08/06/2016 |
20 |
31 |
15 |
10 |
11.3 |
120 |
89 |
|
14/06/2016 |
51 |
48 |
30 |
29 |
30.0 |
220 |
81 |
|
20/06/2016 |
20 |
27 |
17 |
7 |
12.0 |
170 |
78 |
|
26/06/2016 |
24 |
19 |
15 |
10 |
11.9 |
160 |
75 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration (mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
02/06/2016 |
15:00-15:59 |
29 |
55 |
25 |
|
16:00-16:59 |
32 |
33 |
25 |
|
|
17:00-17:59 |
35 |
23 |
31 |
|
|
08/06/2016 |
15:00-15:59 |
16 |
16 |
6 |
|
16:00-16:59 |
16 |
22 |
14 |
|
|
17:00-17:59 |
16 |
21 |
19 |
|
|
14/06/2016 |
15:00-15:59 |
50 |
52 |
45 |
|
16:00-16:59 |
46 |
50 |
43 |
|
|
17:00-17:59 |
47 |
75 |
27 |
|
|
20/06/2016 |
15:00-15:59 |
12 |
26 (21/6)* |
20 |
|
16:00-16:59 |
20 |
14 (21/6)* |
13 |
|
|
17:00-17:59 |
17 |
16 (21/6)* |
16 |
|
|
26/06/2016 |
15:00-15:59 |
15 |
26 |
12 |
|
16:00-16:59 |
26 |
26 |
13 |
|
|
17:00-17:59 |
13 |
6 |
17 |
|
* - Missing data was due to failure of 1-hr TEOM TSP sampler at AM2 (East Gate) on 20/06/2016. Make-up 1-hr TSP sampling was conducted on 21/06/2016.
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 |