Restricted Hours Noise Monitoring Results

Station NM4

Date

Start Time

End Time

Weather

Noise level (dB(A)), 5 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

05-Aug-12

10:22

10:27

Fine

63.8

65.6

61.0

No outdoor construction noise

Mainly traffic noise

-

30

0.3

RION- NL52 (S/N 00710259)

RION - NC73 (S/N 10997142)

05-Aug-12

10:27

10:32

Fine

63.5

65.0

61.5

-

05-Aug-12

10:32

10:37

Fine

64.4

66.7

61.9

-

05-Aug-12

10:22

10:37

Fine

63.9

65.8

61.5

-

14-Aug-12

19:37

19:42

Fine

65.1

66.6

63.3

No outdoor construction noise

Mainly traffic noise

-

28

0.4

RION- NL52 (S/N 00710259)

RION - NC73 (S/N 10997142)

14-Aug-12

19:42

19:47

Fine

64.9

66.7

62.6

-

14-Aug-12

19:47

19:52

Fine

65.3

67.7

62.6

-

14-Aug-12

19:37

19:52

Fine

65.1

67.0

62.8

-

19-Aug-12

11:23

11:28

Fine

63.5

64.9

61.5

No outdoor construction noise

Mainly traffic noise

-

31

0.4

RION- NL52 (S/N 00710259)

RION - NC73 (S/N 10997142)

19-Aug-12

11:28

11:33

Fine

64.1

65.5

61.7

-

19-Aug-12

11:33

11:38

Fine

63.9

65.6

61.6

-

19-Aug-12

11:23

11:38

Fine

63.8

65.3

61.6

-

28-Aug-12

19:18

19:23

Fine

64.3

65.8

62.5

No outdoor construction noise

Mainly traffic noise

-

30

0.3

RION- NL52 (S/N 00710259)

RION - NC73 (S/N 10997142)

28-Aug-12

19:23

19:28

Fine

64.8

66.9

62.7

-

28-Aug-12

19:28

19:33

Fine

64.1

65.6

62.2

-

28-Aug-12

19:18

19:33

Fine

64.4

66.1

62.5

-

Min.

63.5

Max.

65.3