Restricted Hours Noise Monitoring Results

Station NM5

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-May-13

13:20

13:25

Sunny

58.4

60.5

56.1

Drill rig

Traffic noise

-

24

0.6

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

05-May-13

13:25

13:30

Sunny

62.5

64.4

56.3

-

05-May-13

13:30

13:35

Sunny

60.0

61.9

57.0

-

05-May-13

13:20

13:35

Sunny

60.6

62.6

56.5

-

14-May-13

19:02

19:07

Cloudy

59.8

61.4

56.7

Drill rig

Traffic noise & aircraft noise

-

27

0.6

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

14-May-13

19:07

19:12

Cloudy

60.5

62.2

57.1

-

14-May-13

19:12

19:17

Cloudy

60.2

62.5

57.6

-

14-May-13

19:02

19:17

Cloudy

60.2

62.1

57.1

-

19-May-13

15:00

15:05

Sunny

60.4

62.8

57.6

Drill rig

Traffic noise & aircraft noise

-

31

0.5

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

19-May-13

15:05

15:10

Sunny

60.6

63.3

57.9

-

19-May-13

15:10

15:15

Sunny

59.5

61.7

59.5

-

19-May-13

15:00

15:15

Sunny

60.2

62.7

57.7

-

28-May-13

19:30

19:35

Cloudy

59.8

61.6

57.4

Drill rig

Traffic noise

-

29

0.8

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

28-May-13

19:35

19:40

Cloudy

59.6

61.5

57.1

-

28-May-13

19:40

19:45

Cloudy

60.4

62.3

57.6

-

28-May-13

19:30

19:45

Cloudy

59.9

61.8

57.4

-

30-Apr-13

19:05

19:10

Cloudy

Drill rig

Traffic noise & aircraft noise

-

RION- NL31 (S/N 00410224)

RION - NC73 (S/N 10997142)

30-Apr-13

19:10

19:15

Cloudy

-

30-Apr-13

19:15

19:20

Cloudy

-

30-Apr-13

19:05

19:20

Cloudy

-

Min.

58.4

Max.

62.5