Restricted Time Noise Monitoring Results (19:00 to 23:00 on Normal Weekdays  
                 
Station M9, Ap Lei Chau PTW            
Date Time Weather dB(A), 5 min Baseline Level, Leq Construction Noise Level, Leq
Leq L10 L90 Average Leq Leq Leq
08-Mar-12 20:00 Cloudy 60 56 55 58 53 57
20:05 56 52 45
20:10 58 56 48
13-Mar-12 20:10 Cloudy 55 59 48 52 52.0 Measured <= Baseline
20:15 49 51 50
20:20 48 50 45
20-Mar-12 20:10 Cloudy 61 59 51 57 54
20:15 51 52 46
20:20 51 54 47
27-Mar-12 20:10 Sunny 51 53 47 51 50.5 Measured <= Baseline
20:15 49 51 46
20:20 51 54 47
Max. 61
Min. 48