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

04-Oct-11

15:10

15:40

Cloudy

61

63

58

Drill rig, welding machine

Traffic Noise

-

22

0.8

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

10-Oct-11

13:10

13:40

Cloudy

62

63

58

Drill rig

Traffic noise & Aircraft noise

-

23

0.5

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

20-Oct-11

15:50

16:20

Sunny

59

61

58

Drill rig, welding machine

Traffic noise & Aircraft noise

-

22

0.5

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

26-Oct-11

15:20

15:50

Cloudy

59

61

57

Drill rig, welding machine

Traffic noise & Aircraft noise

-

24

0.3

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

Min.

59

Max.

62