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-Apr-11

16:20

16:50

Cloudy

62

64

60

Generator, Excavator, Dump truck

Aircraft noise, traffic noise

-

20

0.3

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

14-Apr-11

15:10

15:40

Sunny

61

62

58

Generator, Drill rig, Excavator, Dump truck

Aircraft noise, traffic noise

-

24

0.3

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

20-Apr-11

14:18

14:48

Fine

64

65

62

Generator, Drill rig, Excavator, Dump truck

Aircraft noise, traffic noise

-

22

0.3

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

26-Apr-11

14:18

14:48

Sunny

62

63

60

Generator, Drill rig, Excavator, Dump truck

Aircraft noise, traffic noise

-

24

0.5

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

Min.

61

Max.

64