Restricted Hours Noise Monitoring Results -- Night time 
Station M5a, Chuk Lam Ming Tong                  
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
17-May-12 23:00 23:15 Cloudy 62 60 52 Operation of gantry Traffic noise at San Wan Drive  N.A 27.0 <5 B&K 2238   S/N : 2684502 B&K 4231  S/N: 2656516
      Min. 62                
      Max. 62