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

09-Aug-12

11:10

11:40

Sunny

61.9

63.7

59.1

Drill rig

Traffic Noise

-

33

0.5

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

15-Aug-12

15:20

15:50

Sunny

61.1

63.0

59.3

Drill rig

Traffic Noise

-

31

0.3

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

21-Aug-12

15:20

15:50

Sunny

61.8

63.0

60.1

Drill rig, excavator

Traffic noise and aircraft noise

-

31

0.4

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

27-Aug-12

15:30

16:00

Sunny

61.4

62.7

59.3

Drill rig, excavator

Traffic noise and aircraft noise

-

31

0.3

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

Min.

61.1

Max.

61.9