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

06-Jul-11

13:20

13:50

Sunny

57

59

55

Drill rig

Traffic noise & Aircraft noise

-

32

0.3

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

12-Jul-11

13:10

13:40

Cloudy

61

63

58

Drill rig, welding machine

Traffic noise & Aircraft noise

-

29

0.5

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

18-Jul-11

15:40

16:10

Cloudy

61

62

58

Drill rig, welding machine

Traffic noise & Aircraft noise

-

29

0.3

RION- NL31 (S/N 00983400)

RION - NC73 (S/N 10997142)

28-Jul-11

13:20

13:50

Sunny

60

62

58

Drill rig

Traffic noise & Aircraft noise

-

32

0.3

RION- NL31 (S/N 00320533)

RION - NC73 (S/N 10786708)

Min.

57

Max.

61