APPENDIX D  AIR QUALITY MONITORING RESULTS FOR JANUARY 2002

 

Site: Lamma Power Station Extension

 

Month: January 2002

 

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.

 

(%)

05/01/2002

143

126

157

101

5.4

010

55

11/01/2002

85

75

92

76

5.1

230

81

17/01/2002

47

40

46

50

12.4

070

89

23/01/2002

133

108

124

121

32.5

070

63

29/01/2002

56

55

49

60

23.5

010

76

 

1 hour TSP Measurement:-

Date

Time

TSP concentration (mg/m3)

Reservoir

(AM1)

East Gate

(AM2)

Ash Lagoon

(AM3)

05/01/2002

15:00-15:59

100

39

73

16:00-16:59

61

49

62

17:00-17:59

48

47

63

11/01/2002

15:00-15:59

57

57

73

16:00-16:59

145

145

109

17:00-17:59

61

47

71

17/01/2002

15:00-15:59

51

59

63

16:00-16:59

47

45

47

17:00-17:59

39

42

45

23/01/2002

15:00-15:59

91

90

88

16:00-16:59

90

89

85

17:00-17:59

95

91

86

29/01/2002

15:00-15:59

44

40

41

16:00-16:59

51

47

46

17:00-17:59

57

55

48

Remark:

(1)                 The monitoring stations, Reservoir, East Gate & Ash Lagoon are located within Lamma Power Station.

 

 

                                                                        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 G.

 

 

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