APPENDIX D AIR QUALITY MONITORING RESULTS

 

Site: Lamma Power Station Extension

 

Month: June 2006

 

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.

 

(%)

01/06/2006

23

24

21

43

26.6

230

88

07/06/2006

60

45

36

47

34.0

230

81

13/06/2006

36

28

34

38

18.7

200

89

19/06/2006

33

32

36

31

10.3

050

86

25/06/2006

32

14

17

26

10.8

200

77

 

1 hour TSP Measurement:-

Date

Time

TSP concentration (mg/m3)

Reservoir

(AM1)

East Gate

(AM2)

Ash Lagoon

(AM3)

01/06/2006

15:00-15:59

14

21

17

16:00-16:59

25

25

22

17:00-17:59

23

26

28

07/06/2006

15:00-15:59

44

89

33

16:00-16:59

48

60

31

17:00-17:59

52

51

35

13/06/2006

15:00-15:59

23

26

24

16:00-16:59

23

29

24

17:00-17:59

25

30

28

19/06/2006

15:00-15:59

17

39

11

16:00-16:59

18

24

21

17:00-17:59

28

40

26

25/06/2006

15:00-15:59

36

25

13

16:00-16:59

26

10

8

17:00-17:59

18

4

6

 

 

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 1400a

High Volume Air Sampler

Ash Lagoon

Partisol Model 2000 Sampler

Tai Yuen Village

-

MINIVOL Portable Sampler