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

05-May-11

13:18

13:48

Fine

62

63

60

Generator, Drill rig, Excavator, Dump truck

Aircraft noise, traffic noise

-

28

0.3

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

11-May-11

13:35

14:05

Sunny

63

64

62

Generator, Drill rig

Aircraft noise, traffic noise

-

24

0.3

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

17-May-11

15:30

16:00

Cloudy

62

63

61

Generator, Drill rig

Traffic noise

-

23

0.3

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

23-May-11

14:17

14:47

Cloudy

62

64

60

Generator, Drill rig

Aircraft noise, traffic noise

-

26

0.5

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

Min.

62

Max.

63