APPENDIX D  AIR QUALITY MONITORING RESULTS

 

Site: Lamma Power Station Extension

 

Month: March 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.

 

(%)

04/03/2016

48

43

46

36

15.4

040

82

10/03/2016

13

13

8

28

39.7

020

93

16/03/2016

34

35

33

28

33.2

060

90

22/03/2016

24

23

20

24

33.5

050

96

28/03/2016

74

68

61

60

26.9

060

65

 

1 hour TSP Measurement:-

Date

Time

TSP concentration (mg/m3)

Reservoir

(AM1)

East Gate

(AM2)

Ash Lagoon

(AM3)

04/03/2016

15:00-15:59

35

25

31

16:00-16:59

37

21

35

17:00-17:59

33

21

37

10/03/2016

15:00-15:59

2

5

4

16:00-16:59

4

6

7

17:00-17:59

5

9

12

16/03/2016

15:00-15:59

60

49

49

16:00-16:59

40

45

44

17:00-17:59

36

35

29

22/03/2016

15:00-15:59

28

28

22

16:00-16:59

28

32

21

17:00-17:59

22

29

21

28/03/2016

15:00-15:59

46

55

55

16:00-16:59

42

61

62

17:00-17:59

58

70

58

 

 

                                                                        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