Daytime Noise Monitoring Results

Station NM4

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

07-Apr-10

14:30

15:00

Trace Rain

69

71

67

Mobile cranes, excavator work

Traffic Noise

-

19

1.2

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

13-Apr-10

10:20

10:50

Fine

69

70

67

Mobile cranes

Traffic Noise

-

26

0.5

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

19-Apr-10

14:22

14:52

Fine

69

70

66

Mobile cranes, excavator work

Traffic Noise

-

23

0.8

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

30-Apr-10

08:20

08:50

Sunny

69

70

68

Mobile cranes, excavator work

Traffic Noise

-

22

0.8

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

Min.

69

Max.

69