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

02-Jun-11

13:12

13:42

Sunny

58

60

56

Drill rig, Welding machine

Traffic noise & Aircraft noise

-

29

0.5

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

08-Jun-11

13:15

13:45

Sunny

58

60

56

Drill rig

Traffic noise & Aircraft noise

-

30

0.3

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

14-Jun-11

15:00

15:30

Fine

60

62

57

Drill rig

Traffic noise & Aircraft noise

-

31

0.3

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

20-Jun-11

15:50

16:20

Sunny

59

61

56

Drill rig, Welding machine

Traffic noise & Aircraft noise

-

31

0.5

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

30-Jun-11

15:25

15:55

Cloudy

57

59

55

Drill rig

Traffic noise & Insect noise

29

0.3

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

Min.

57

Max.

60