Daytime Noise Monitoring Results

Station NM5

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

06-Sep-12

09:10

9:40

Sunny

63

64

61

Drill rig, excavator

Traffic Noise

-

32.2

0.4

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

12-Sep-12

15:10

15:40

Sunny

62

64

58

Drill rig

Traffic Noise

-

32

0.4

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

18-Sep-12

11:00

11:30

Sunny

62

64

60

Drill rig, excavator

Traffic noise and aircraft noise

-

30

0.4

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

24-Sep-12

15:10

15:40

Cloudy

63

65

60

Drill rig, excavator

Traffic noise and aircraft noise

-

28

0.8

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

Min.

62

Max.

63