Daytime Noise Monitoring Results -- Normal weekday

Station M7a, Wah Ming House

Date

Start Time

End Time

Weather

Noise level (dB(A)), 30 min

Major Construction Noise Source(s) Observed

Other Noise Source(s) Observed

Remarks

Temp. (°C)

Wind Speed (m/s)

Noise Meter Model / ID

Calibrator Model / ID

Leq

L10

L90

05-Jan-12

16:27

16:57

Cloudy

72

73

68

Drilling

N.A

N.A

11.0

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

10-Jan-12

09:40

10:10

Cloudy

71

73

62

Drilling

N.A

N.A

15.9

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2385180

16-Jan-12

09:30

10:00

Cloudy

68

72

61

Drilling

N.A

N.A

15.7

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

27-Jan-12

09:25

09:55

Cloudy

62

63

60

Rock Loading

N.A

N.A

14.7

<5

B&K 2238   S/N : 2684502

B&K 4231  S/N: 2656516

Min.

62

Max.

72