APPENDIX D AIR QUALITY
MONITORING RESULTS
Site: Lamma Power Station Extension
Month: August 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. (%) |
|
|
01/08/2016 |
92 |
86 |
69 |
76 |
21.3 |
290 |
76 |
|
07/08/2016 |
29 |
30 |
25 |
6 |
22.3 |
250 |
80 |
|
13/08/2016 |
19 |
24 |
15 |
28 |
12.0 |
070 |
84 |
|
19/08/2016 |
46 |
94 |
42 |
17 |
19.9 |
070 |
90 |
|
25/08/2016 |
45 |
40 |
59 |
31 |
11.7 |
060 |
77 |
|
31/08/2016 |
49 |
44 |
45 |
63 |
8.8 |
210 |
78 |
1 hour TSP Measurement:-
|
Date |
Time |
TSP concentration
(mg/m3) |
||
|
Reservoir (AM1) |
East Gate (AM2) |
Ash Lagoon (AM3) |
||
|
01/08/2016 |
15:00-15:59 |
105 |
106 |
148 |
|
16:00-16:59 |
125 |
119 |
146 |
|
|
17:00-17:59 |
122 |
88 |
112 |
|
|
07/08/2016 |
15:00-15:59 |
44 |
61 (8/8)* |
45 |
|
16:00-16:59 |
38 |
55 (8/8)* |
43 |
|
|
17:00-17:59 |
46 |
51 (8/8)* |
40 |
|
|
13/08/2016 |
15:00-15:59 |
14 |
12 |
8 |
|
16:00-16:59 |
9 |
19 |
12 |
|
|
17:00-17:59 |
15 |
9 |
14 |
|
|
19/08/2016 |
15:00-15:59 |
59 |
143 |
65 |
|
16:00-16:59 |
63 |
147 |
65 |
|
|
17:00-17:59 |
60 |
70 |
60 |
|
|
25/08/2016 |
15:00-15:59 |
46 |
31 |
55 |
|
16:00-16:59 |
54 |
34 |
67 |
|
|
17:00-17:59 |
61 |
50 |
73 |
|
|
31/08/2016 |
15:00-15:59 |
56 |
48 |
39 |
|
16:00-16:59 |
49 |
43 |
52 |
|
|
17:00-17:59 |
58 |
33 |
45 |
|
* - TSP
monitoring at AM2 (East Gate) was suspended on 07/08/2016 due to failure of
1-hr TEOM TSP sampler. Make-up 1-hr TSP
sampling at AM2 was conducted on 08/08/2016.
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 |