Daytime Noise Monitoring Results                    
Station NM4                        
Date Start Time End Time  Weather Noise level (dB(A)), 30 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-Jan-15 14:17 14:47 Fine 73 75 69 Sheet Piling Traffic Noise - 19 0.3 RION- NL52 (S/N 00131627) RION-NL73  (S/N 10997142)
16-Jan-15 10:25 10:55 Sunny 71 73 66 Breaker noise Traffic Noise - 18 0.3 RION- NL52 (S/N 00131627) RION-NL73  (S/N 10997142)
22-Jan-15 14:10 14:40 Sunny 70 72 66 Breaker noise Traffic Noise - 20 0.2 RION- NL52 (S/N 00131627) RION-NL73  (S/N 10997142)
28-Jan-15 14:15 14:45 Fine 69 71 66 Breaker noise Traffic Noise - 18 0.5 RION- NL52 (S/N 00131627) RION-NL73  (S/N 10997142)
00-Jan-00   00:30 Sunny       Sheet Piling Traffic Noise -     RION- NL52 (S/N 00131627) RION-NL73  (S/N 10997142)
00-Jan-00   00:30             -     RION-NL31 (S/N 00410224) RION - NC73 (S/N 10997142)
30-Apr-13 09:00 09:30 Fine   69 66 - Traffic Noise -   0.5 RION- NL31 (S/N 00603867) RION - NC73 (S/N 10997142)
                           
                  -        
    Min. 69                  
    Max. 73                  
    Average 71