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

02-Mar-10

15:05

15:35

Fine

69

70

68

Mobile cranes

Traffic noise

-

24

0.8

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

08-Mar-10

15:00

15:30

Cloudy

69

70

67

Mobile cranes

Traffic Noise

-

15

0.8

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

19-Mar-10

15:30

16:00

Sunny

69

71

68

Mobile cranes

Traffic Noise

-

21

1.0

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

25-Mar-10

14:30

15:00

Sunny

69

71

68

Mobile cranes

Traffic noise

-

17

1.5

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

31-Mar-10

15:15

15:45

Sunny

69

71

67

Mobile cranes, excavators

Traffic noise

-

22

0.5

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10786708)

Min.

69

Max.

69