Night time Noise Monitoring Results                  
                           
Station M5a, Chuk Lam Ming Tong(near entrance )                  
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
07/08/2014-a 23:00 23:05 Cloudy 60 60 52 No major construction workd on surface Traffic noise at San Wan Drive  N.A 29.0 <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 3004068
07/08/2014-b 23:05 23:10 Cloudy 56 60 52 B&K 2238   S/N : 2684503 B&K 4231  S/N: 3004068
07/08/2014-c 23:10 23:15 Cloudy 56 57 52 B&K 2238   S/N : 2684503 B&K 4231  S/N: 3004068
07-Aug-14 23:00 23:15 Cloudy 57 59 52 No major construction workd on surface Traffic noise at San Wan Drive  N.A 29.0 <5 B&K 2238   S/N : 2684503 B&K 4231  S/N: 3004068
28/08/2014-a 23:00 23:05 Fine 63 65 51 No major construction workd on surface Traffic noise at San Wan Drive  N.A 29.5 <5 B&K 2238   S/N : 2800932 B&K 4231  S/N: 3004068
28/08/2014-b 23:05 23:10 Fine 63 65 51 B&K 2238   S/N : 2800932 B&K 4231  S/N: 3004068
28/08/2014-c 23:10 23:15 Fine 64 65 52 B&K 2238   S/N : 2800932 B&K 4231  S/N: 3004068
28-Aug-14 23:00 23:15 Fine 63 65 51 No major construction workd on surface Traffic noise at San Wan Drive  N.A 29.5 <5 B&K 2238   S/N : 2800932 B&K 4231  S/N: 3004068
      Max 64      
      Min 56      
      Average 60