APPENDIX E  AIR QUALITY MONITORING RESULTS FOR OCTOBER 2001

 

Site: Lamma Power Station Extension

 

Month: October 2001

 

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.

 

(%)

01/10/2001

56

55

66

79

24.5

010

67

07/10/2001

38

39

40

76

22.0

090

80

13/10/2001

48

50

76

63

29.9

080

71

19/10/2001

65

73

77

82

36.0

080

70

25/10/2001

63

58

97

54

37.5

070

74

31/10/2001

52

50

100

71

25.3

080

74

 

1 hour TSP Measurement:-

Date

Time

TSP concentration (mg/m3)

Reservoir

(AM1)

East Gate

(AM2)

Ash Lagoon

(AM3)

01/10/2001

15:00-15:59

87

68

69

16:00-16:59

71

61

57

17:00-17:59

60

42

47

07/10/2001

15:00-15:59

41

34

39

16:00-16:59

37

38

40

17:00-17:59

42

44

44

13/10/2001

15:00-15:59

48

48

57

16:00-16:59

51

43

68

17:00-17:59

54

59

53

19/10/2001

15:00-15:59

73

62

80

16:00-16:59

64

56

76

17:00-17:59

63

58

65

25/10/2001

15:00-15:59

61

55

60

16:00-16:59

67

61

64

17:00-17:59

73

64

67

31/10/2001

15:00-15:59

32

27

27

16:00-16:59

86

77

65

17:00-17:59

54

50

59

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 H.

 

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