APPENDIX D  AIR QUALITY MONITORING RESULTS

 

Site: Lamma Power Station Extension

 

Month: January 2018

 

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.

 

(%)

5/1/2018

27

28

30

36

25.5

060

87

11/1/2018

28

27

37

38

31

360

42

17/1/2018

80

81

98

143

9.4

030

60

23/1/2018

44

43

42

56

23.9

070

78

29/1/2018

19

27

25

42

34.3

350

76

 

 

 

1 hour TSP Measurement:-

Date

Time

TSP concentration (mg/m3)

Reservoir

(AM1)

East Gate

(AM2)

Ash Lagoon

(AM3)

5/1/2018

15:00 - 15:59

18

23

31

16:00 - 16:59

36

36

42

17:00 - 17:59

42

34

43

11/1/2018

15:00 - 15:59

26

27

37

16:00 - 16:59

26

31

43

17:00 - 17:59

29

35

45

17/1/2018

15:00 - 15:59

107

92

157

16:00 - 16:59

93

96

148

17:00 - 17:59

87

98

37

23/1/2018

15:00 - 15:59

64

53

63

16:00 - 16:59

71

58

60

17:00 - 17:59

59

57

57

29/1/2018

15:00 - 15:59

27

33

33

16:00 - 16:59

24

31

34

17:00 - 17:59

34

32

30

 

 

                                                                               

                                                                 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, East Gate and Ash Lagoon

TEOM

TEOM

Tai Yuen Village

-

MINIVOL Portable Sampler