APPENDIX D  AIR QUALITY MONITORING RESULTS

 

Site: Lamma Power Station Extension

 

Month: April 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.

 

(%)

03/04/2016

33

33

35

53

9.2

050

87

09/04/2016

25

25

21

32

17.3

200

86

15/04/2016

33

29

27

43

20.0

030

97

21/04/2016

71

44

34

21

7.3

030

87

27/04/2016

42

43

30

31

20.2

230

85

 

1 hour TSP Measurement:-

Date

Time

TSP concentration (mg/m3)

Reservoir

(AM1)

East Gate

(AM2)

Ash Lagoon

(AM3)

03/04/2016

15:00-15:59

28

30

25

16:00-16:59

34

38

32

17:00-17:59

42

38

34

09/04/2016

15:00-15:59

37

39

30

16:00-16:59

43

36

32

17:00-17:59

28

21

12

15/04/2016

15:00-15:59

31

34

20

16:00-16:59

36

26

16

17:00-17:59

15

29

23

21/04/2016

15:00-15:59

137

25

22

16:00-16:59

37

23

23

17:00-17:59

29

26

28

27/04/2016

15:00-15:59

50

30

22

16:00-16:59

27

33

29

17:00-17:59

28

41

41

 

 

                                                                        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