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

03-Aug-11

13:07

13:37

Sunny

59

60

58

Drill rig

Traffic noise & Aircraft noise

-

32

0.3

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

09-Aug-11

13:40

14:10

Fine

60

63

57

Drill rig, welding machine

Traffic noise & Aircraft noise

-

31

0.3

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

15-Aug-11

13:35

14:05

Sunny

59

60

56

Drill rig, welding machine

Traffic noise & Aircraft noise

-

31

0.3

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

25-Aug-11

13:35

14:05

Sunny

61

63

59

Drill rig, welding machine

Traffic noise & Aircraft noise

-

31

0.5

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

31-Aug-11

15:40

16:10

Sunny

60

61

58

Drill rig

Traffic noise & Aircraft noise

-

33

0.3

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

Min.

59

Max.

61