Restricted Hours Noise Monitoring Results [1]                  
                           
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-Oct-10 09:35 09:40 Sunny 72 73 70 No Construction Noise Traffic Noise - 28 0.8 RION- NL31 (S/N 00983400) RION - NC73 (S/N 10997142)
09:40 09:45 Sunny 71 73 70 -
09:45 09:50 Sunny 71 73 70 -
09:35 09:50 Sunny 71 73 70 Average results during 15 min monitoring
10-Oct-10 10:54 10:59 Cloudy 71 72 70 No outdoor construction activity Traffic Noise - 25 0.8 RION- NL31 (S/N 00983400) RION - NC73 (S/N 10997142)
10:59 11:04 Cloudy 71 72 70 -
11:04 11:09 Cloudy 71 72 70 -
10:54 11:09 Cloudy 71 72 70 Average results during 15 min monitoring
17-Oct-10 11:00 11:05 Sunny 72 73 70 No outdoor construction activity Traffic Noise - 27 0.3 RION- NL31 (S/N 00983400) RION - NC73 (S/N 10997142)
11:05 11:10 Sunny 72 73 70 -
11:10 11:15 Sunny 72 73 71 -
11:00 11:15 Sunny 72 73 70 Average results during 15 min monitoring
24-Oct-10 10:33 10:38 Sunny 72 73 70 No outdoor construction activity Traffic Noise - 27 0.5 RION- NL31 (S/N 00410224) RION - NC73 (S/N 10997142)
10:38 10:43 Sunny 72 73 70 -
10:43 10:48 Sunny 72 73 71 -
10:33 10:48 Sunny 72 73 70 Average results during 15 min monitoring
31-Oct-10 11:09 11:14 Sunny 72 73 71 No outdoor construction activity Traffic Noise - 27 0.8 RION- NL31 (S/N 00983400) RION - NC73 (S/N 10997142)
11:14 11:19 Sunny 72 73 71 -
11:19 11:24 Sunny 72 73 71 -
11:09 11:24 Sunny 72 73 71 Average results during 15 min monitoring
      Min. 71                  
      Max. 72                  
                           
[1] No class was held at the school during the measurement period on 3, 10, 17, 24 and 31 October 2010.