Appendix E                Continuous Noise Monitoring Results for June 2026

 

Site:                  Lamma Power Station Extension Construction

Measurement Location:  Ash Lagoon and Ching Lam

Measurement Parameter: 30-min Leq (07:00-19:00 hrs on normal weekdays)

                       5-min Leq (07:00-23:00 hrs on holidays and

                       19:00-23:00 hrs on all other days, and 23:00-

                       07:00 hrs of next day)

Noise Equipment:       B&K 2250 sound level meters and B&K 4231 sound

                       level calibrator

Lab. Calibration Date: B&K 2250 sound level meters - 14/4/2026 (Ash Lagoon)

                                                      9/7/2025 (Ching Lam)

     B&K 4231 calibrator (9/4/2026)

 

Date

Time

Calculated

Noise

Level at

NSR at Long

Tsai

Tsuen/Hung

Shing Ye

(dB(A))

Limit

Noise

Level

(dB(A))

Calculated

Noise

Level at

NSR at the

school

within Tai

Wan San

Tsuen

(dB(A))

Limit

Noise

Level

(dB(A))

Max

Avg

Max

Avg

1/06/2026

07:00-19:00

47

39

75

48

37

70

1/06/2026

19:00-23:00

---

---

60

51

41

60

1/06/2026

23:00-07:00

45

44

45

45

40

45

2/06/2026

07:00-19:00

45

42

75

45

39

70

2/06/2026

19:00-23:00

48

48

60

53

48

60

2/06/2026

23:00-07:00

45

42

45

44

39

45

3/06/2026

07:00-19:00

46

46

75

47

42

70

3/06/2026

19:00-23:00

---

---

60

53

47

60

3/06/2026

23:00-07:00

42

42

45

43

37

45

4/06/2026

07:00-19:00

48

41

75

47

39

70

4/06/2026

19:00-23:00

46

41

60

53

45

60

4/06/2026

23:00-07:00

45

36

45

44

36

45

5/06/2026

07:00-19:00

51

43

75

47

41

70

5/06/2026

19:00-23:00

41

37

60

48

35

60

5/06/2026

23:00-07:00

45

42

45

45

34

45

6/06/2026

07:00-19:00

58

49

75

53

42

70

6/06/2026

19:00-23:00

50

38

60

48

37

60

6/06/2026

23:00-07:00

45

31

45

45

34

45

7/06/2026

07:00-23:00

54

42

60

51

39

60

7/06/2026

23:00-07:00

45

39

45

44

34

45

8/06/2026

07:00-19:00

55

45

75

49

38

70

8/06/2026

19:00-23:00

49

39

60

44

36

60

8/06/2026

23:00-07:00

45

39

45

42

31

45

9/06/2026

07:00-19:00

46

43

75

50

42

70

9/06/2026

19:00-23:00

43

35

60

46

34

60

9/06/2026

23:00-07:00

44

36

45

45

32

45

10/06/2026

07:00-19:00

39

37

75

49

39

70

10/06/2026

19:00-23:00

40

33

60

37

29

60

10/06/2026

23:00-07:00

41

37

45

44

31

45

11/06/2026

07:00-19:00

42

42

75

47

41

70

11/06/2026

19:00-23:00

41

34

60

43

34

60

11/06/2026

23:00-07:00

44

40

45

43

33

45

12/06/2026

07:00-19:00

50

48

75

49

45

70

12/06/2026

19:00-23:00

29

25

60

48

35

60

12/06/2026

23:00-07:00

42

42

45

44

37

45

13/06/2026

07:00-19:00

57

47

75

48

41

70

13/06/2026

19:00-23:00

---

---

60

46

38

60

13/06/2026

23:00-07:00

---

---

45

41

38

45

14/06/2026

07:00-23:00

53

41

60

48

39

60

14/06/2026

23:00-07:00

41

37

45

45

37

45

15/06/2026

07:00-19:00

53

43

75

44

37

70

15/06/2026

19:00-23:00

41

34

60

41

38

60

15/06/2026

23:00-07:00

45

35

45

41

33

45

16/06/2026

07:00-19:00

46

44

75

44

38

70

16/06/2026

19:00-23:00

44

37

60

40

32

60

16/06/2026

23:00-07:00

---

---

45

45

36

45

17/06/2026

07:00-19:00

---

---

75

36

34

70

17/06/2026

19:00-23:00

---

---

60

43

35

60

17/06/2026

23:00-07:00

45

45

45

43

40

45

18/06/2026

07:00-19:00

43

37

75

38

34

70

18/06/2026

19:00-23:00

---

---

60

38

38

60

18/06/2026

23:00-07:00

41

38

45

38

34

45

19/06/2026

07:00-23:00

43

41

60

19

19

60

19/06/2026

23:00-07:00

45

40

45

43

40

45

20/06/2026

07:00-19:00

---

---

75

45

40

70

20/06/2026

19:00-23:00

39

39

60

37

37

60

20/06/2026

23:00-07:00

43

41

45

44

41

45

21/06/2026

07:00-23:00

58

50

60

47

39

60

21/06/2026

23:00-07:00

45

42

45

45

41

45

22/06/2026

07:00-19:00

52

46

75

44

41

70

22/06/2026

19:00-23:00

42

42

60

44

39

60

22/06/2026

23:00-07:00

45

39

45

43

36

45

23/06/2026

07:00-19:00

56

49

75

46

39

70

23/06/2026

19:00-23:00

---

---

60

47

41

60

23/06/2026

23:00-07:00

45

40

45

44

37

45

24/06/2026

07:00-19:00

53

47

75

39

39

70

24/06/2026

19:00-23:00

41

41

60

49

47

60

24/06/2026

23:00-07:00

45

43

45

44

31

45

25/06/2026

07:00-19:00

53

50

75

48

44

70

25/06/2026

19:00-23:00

---

---

60

47

40

60

25/06/2026

23:00-07:00

45

41

45

44

37

45

26/06/2026

07:00-19:00

54

47

75

51

43

70

26/06/2026

19:00-23:00

52

45

60

31

31

60

26/06/2026

23:00-07:00

45

35

45

42

35

45

27/06/2026

07:00-19:00

44

39

75

51

46

70

27/06/2026

19:00-23:00

41

37

60

50

37

60

27/06/2026

23:00-07:00

45

39

45

45

40

45

28/06/2026

07:00-23:00

53

41

60

50

40

60

28/06/2026

23:00-07:00

42

39

45

44

41

45

29/06/2026

07:00-19:00

48

37

75

47

40

70

29/06/2026

19:00-23:00

39

30

60

46

36

60

29/06/2026

23:00-07:00

39

39

45

42

37

45

30/06/2026

07:00-19:00

42

42

75

42

34

70

30/06/2026

19:00-23:00

42

35

60

44

38

60

30/06/2026

23:00-07:00

45

40

45

44

35

45

 

Note:

a.   --- represents the measured noise monitoring data lower than the established notional background level/discarded under strong wind.

b.   Continuous noise monitoring was also carried out at holidays & evening-time (07:00-23:00 hrs on holidays and 19:00-23:00 hrs on all other days) and night-time (23:00-07:00 hrs of next day).