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
28-Nov-12 23:00 23:15 Hazy 66.7 68.0 64.7 No outdoor construction noise Mainly traffic noise - 19.3 <5 B&K 2238   S/N: 2385180 B&K 4231   S/N: 3003246
Min. 66.7
Max. 66.7