Restricted Hours Noise Monitoring Results
Station NM2
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
03-Jul-12 20:35 20:40 Fine 70.5 71.7 69.3 No outdoor construction activity observed Mainly traffic noise - 30 0.2 RION- NL31 (S/N 00603867) RION - NC73 (S/N 10997142)
03-Jul-12 20:40 20:45 Fine 70.3 71.1 69.2 -
03-Jul-12 20:45 20:50 Fine 70.4 71.3 69.3 -
03-Jul-12 20:35 20:50 Fine 70.4 71.4 69.3  
08-Jul-12 15:46 15:51 Sunny 70.5 71.5 69.2 No outdoor construction activity observed Mainly traffic noise - 30 0.2 RION- NL31 (S/N 00603867) RION - NC73 (S/N 10997142)
08-Jul-12 15:51 15:56 Sunny 69.9 70.9 68.9 -
08-Jul-12 15:56 16:01 Sunny 71.3 72.2 69.3 -
08-Jul-12 15:46 16:01 Sunny 70.6 71.6 69.1 -
17-Jul-12 20:31 20:36 Fine 70.4 71.4 69.3 No outdoor construction activity observed Mainly traffic noise - 30 0.3 RION- NL52 (S/N 00710259) RION - NC73 (S/N 10997142)
17-Jul-12 20:36 20:41 Fine 70.8 71.9 69.5 -
17-Jul-12 20:41 20:46 Fine 70.6 71.6 69.7 -
17-Jul-12 20:31 20:46 Fine 70.6 71.6 69.5 -
22-Jul-12 10:32 10:37 Sunny 71.7 72.7 70.6 No outdoor construction noise Mainly traffic noise - 27 0.2 RION- NL52 (S/N 00710259) RION - NC73 (S/N 10997142)
22-Jul-12 10:37 10:42 Sunny 71.4 72.5 70.3 -
22-Jul-12 10:42 10:47 Sunny 71.7 72.6 70.2 -
22-Jul-12 10:32 10:47 Sunny 71.6 72.6 70.4 -
31-Jul-12 19:05 19:10 Fine 69.3 70.7 68.0 No outdoor construction noise Mainly traffic noise - 27 0.2 RION- NL52 (S/N 00710259) RION - NC73 (S/N 10997142)
31-Jul-12 19:10 19:15 Fine 69.5 70.5 68.5 -
31-Jul-12 19:15 19:20 Fine 69.1 69.9 68.1 -
31-Jul-12 19:05 19:20 Fine 69.3 70.4 68.2 -
      Min. 69.1                  
    Max. 71.7