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
07-Nov-10 13:05 13:10 Sunny 68 69 66 Noise from nearby football court. Traffic Noise - 23 0.3 RION- NL31 (S/N 00983400) RION - NC73 (S/N 10997142)
13:10 13:15 Sunny 71 72 69 -
13:15 13:20 Sunny 64 65 63 -
13:05 13:20 Sunny 68 70 67 Average results during 15 min monitoring
14-Nov-10 14:40 14:45 Sunny 67 69 63 Noise from nearby recycling. Traffic Noise - 23 0.3 RION- NL31 (S/N 00983400) RION - NC73 (S/N 10997142)
14:45 14:50 Sunny 66 69 62 -
14:50 14:55 Sunny 66 68 62 -
14:40 14:55 Sunny 66 68 62 Average results during 15 min monitoring
21-Nov-10 10:50 10:55 Sunny 68 71 63 No outdoor construction activity Traffic Noise - 22 0.2 RION- NL31 (S/N 00983400) RION - NC73 (S/N 10997142)
10:55 11:00 Sunny 68 70 64 -
11:00 11:05 Sunny 68 70 62 -
10:50 11:05 Sunny 68 70 63 Average results during 15 min monitoring
28-Nov-10 17:05 17:10 Sunny 67 68 62 No outdoor construction activity Traffic Noise - 27 0.2 RION- NL31 (S/N 00410224) RION - NC73 (S/N 10997142)
17:10 17:15 Sunny 67 69 61 -
17:15 17:20 Sunny 68 70 61 -
17:05 17:20 Sunny 67 69 62 Average results during 15 min monitoring
      Min. 64                  
      Max. 71                  
                           
[1] No class was held at the school during the measurement period on 7, 14, 21, and 28 November 2010.