Daytime Noise Monitoring Results -- Normal weekday          
Station M7a, Wah Ming House              
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
03-Oct-13 09:27 09:57 Cloudy 65 66 62 No major construction works N.A N.A 26.7 <5 B&K 2238  S/N : 2684503 B&K 4231  S/N: 3004068
09-Oct-13 09:17 09:47 Sunny 70 72 61 No major construction works N.A N.A 27.2 <5 B&K 2238  S/N : 2684503 B&K 4231  S/N: 3004068
17-Oct-13 09:40 10:10 Sunny 75 76 62 Operation of backhoe near the Wah Chun House N.A N.A 24.5 <5 B&K 2238  S/N : 2684503 B&K 4231  S/N: 3004068
21-Oct-13 09:19 09:49 Sunny 68 70 63 Operation of backhoe near the Wah Chun House N.A N.A 24.8 <5 B&K 2238  S/N : 2684503 B&K 4231  S/N: 3004068
31-Oct-13 15:14 15:44 Sunny 62 65 58 Operation of backhoe near the Wah Chun House N.A N.A 24.8 <5 B&K 2238  S/N : 2684503 B&K 4231  S/N: 3004068
Min. 62
Max. 75