Restricted Hours Noise Monitoring Results - Night time 
Station M3, Kwan Yick Building
Date Start Time End Time  Weather Noise level (dB(A)), 15 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
19-Sep-12 23:00 23:15 Fine 66 67 64 No outdoor construction noise Mainly traffic noise - 26.9 <5 B&K 2238 
 S/N: 2808432
B&K 4231   S/N: 3003246
Min. 66
Max. 66