APPENDIX E  AIR QUALITY MONITORING RESULTS FOR MAY 2001

 

Site: Lamma Power Station Extension

 

Month: May 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.

(%)

04/05/2001

84

76

89

65

17.5

060

87

10/05/2001

48

45

44

38

24.7

010

80

16/05/2001

24

25

29

49

26.5

070

80

22/05/2001

36

36

40

39

7.3

270

88

28/05/2001

47

45

59

44

29.3

080

81

 

 

1 hour TSP Measurement:-

Date

Time

TSP concentration (mg/m3)

Reservoir

(AM1)

East Gate

(AM2)

Ash Lagoon

(AM3)

04/05/2001

15:00-15:59

79

82

101

16:00-16:59

86

89

105

17:00-17:59

101

105

120

10/05/2001

15:00-15:59

37

19

40

16:00-16:59

31

15

42

17:00-17:59

29

16

36

16/05/2001

15:00-15:59

13

6

13

16:00-16:59

0

0

0

17:00-17:59

12

8

14

22/05/2001

15:00-15:59

43

19

76

16:00-16:59

51

46

58

17:00-17:59

15

5

8

28/05/2001

15:00-15:59

72

52

75

16:00-16:59

77

56

81

17:00-17:59

92

67

88

 

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