APPENDIX D AIR QUALITY MONITORING RESULTS
Site: Lamma Power Station Extension
Month: June 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.
(%) |
|
03/06/2017 |
45 |
84 |
28 |
21 |
30.5 |
240 |
83 |
09/06/2017 |
31 |
40 |
17 |
60 |
20.6 |
120 |
81 |
15/06/2017 |
40 |
44 |
34 |
29 |
31.3 |
230 |
81 |
21/06/2017 |
30 |
33 |
31 |
19 |
27.6 |
210 |
90 |
27/06/2017 |
30 |
40 |
26 |
31 |
24.8 |
230 |
79 |
1 hour TSP Measurement:-
Date |
Time |
TSP concentration (mg/m3) |
||
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
03/06/2017 |
15:00 - 15:59 |
42 |
68 |
34 |
16:00 - 16:59 |
45 |
60 |
45 |
|
17:00 - 17:59 |
38 |
48 |
32 |
|
09/06/2017 |
15:00 - 15:59 |
17 |
21 |
22 |
16:00 - 16:59 |
16 |
23 |
19 |
|
17:00 - 17:59 |
11 |
17 |
16 |
|
15/06/2017 |
15:00 - 15:59 |
39 |
59 |
23 |
16:00 - 16:59 |
40 |
56 |
24 |
|
17:00 - 17:59 |
41 |
45 |
26 |
|
21/06/2017 |
15:00 - 15:59 |
18 |
33 |
40 |
16:00 - 16:59 |
38 |
31 |
36 |
|
17:00 - 17:59 |
21 |
39 |
45 |
|
27/06/2017 |
15:00 - 15:59 |
18 |
53 |
46 |
16:00 - 16:59 |
13 |
46 |
64 |
|
17:00 - 17:59 |
16 |
42 |
50 |
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 |