APPENDIX D  AIR QUALITY MONITORING RESULTS

 

Site: Lamma Power Station Extension

 

Month: February 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.

 

(%)

03/02/2016

38

41

32

37

21.3

040

77

09/02/2016

46

50

45

33

17.2

040

54

15/02/2016

30

44

24

26

33.5

020

64

21/02/2016

148

141

115

76

44.7

070

77

27/02/2016

79

87

62

43

9.1

020

79

 

1 hour TSP Measurement:-

Date

Time

TSP concentration (mg/m3)

Reservoir

(AM1)

East Gate

(AM2)

Ash Lagoon

(AM3)

03/02/2016

15:00-15:59

32

35

37

16:00-16:59

28

61

35

17:00-17:59

48

80

72

09/02/2016

15:00-15:59

71

75

83

16:00-16:59

59

41

34

17:00-17:59

39

25

41

15/02/2016

15:00-15:59

32

34

36

16:00-16:59

34

54

39

17:00-17:59

34

25

26

21/02/2016

15:00-15:59

172

169

149

16:00-16:59

177

167

162

17:00-17:59

165

157

144

27/02/2016

15:00-15:59

64

75

72

16:00-16:59

66

80

69

17:00-17:59

67

86

60

 

 

                                                                        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