Restricted Hours Noise Monitoring Results [1]

Station NM1

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

08-Apr-14

19:11

19:16

Fine

67

69

66

Noise from nearby playground

Traffic noise

-

22

0.4

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

08-Apr-14

19:16

19:21

Fine

67

69

65

-

08-Apr-14

19:21

19:26

Fine

69

70

67

-

08-Apr-14

19:11

19:26

Fine

68

69

66

-

13-Apr-14

09:00

09:05

Fine

67

69

66

Noise from nearby playground

Traffic noise

-

25

0.5

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

13-Apr-14

09:05

09:10

Fine

67

68

65

-

13-Apr-14

09:10

09:15

Fine

70

73

66

-

13-Apr-14

09:00

09:15

Fine

68

70

66

22-Apr-14

21:20

21:25

Cloudy

68

71

66

Noise from nearby playground

Traffic noise

-

25

0.3

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

22-Apr-14

21:25

21:30

Cloudy

69

71

67

-

22-Apr-14

21:30

21:35

Cloudy

69

71

67

-

22-Apr-14

21:20

21:35

Cloudy

69

71

67

-

27-Apr-14

11:27

11:32

Fine

70

72

66

Noise from nearby playground

Traffic noise

-

25

0.2

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

27-Apr-14

11:32

11:37

Fine

67

69

65

-

27-Apr-14

11:37

11:42

Fine

68

70

66

-

27-Apr-14

11:27

11:42

Fine

68

71

66

-

15:06

15:11

Cloudy

-

Mainly traffic noise

-

0.3

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

00-Jan-00

15:11

15:16

Cloudy

-

00-Jan-00

15:16

15:21

Cloudy

-

00-Jan-00

15:06

15:21

Cloudy

-

00:05

-

Mainly traffic noise

-

RION- NL31 (S/N 00603867)

RION - NC73 (S/N 10997142)

00-Jan-00

00:05

-

00-Jan-00

00:05

-

00-Jan-00

00:15

-

Min.

67

Max.

70

[1] No class was held at the school during all the measurement period.