Station CM_AB1a, The Hong Kong Ice and Cold Storage (Aberdeen)                        
Start Finish Weather Filter Weight (g) Elapsed Time Reading Sampling Time Flow Rate (m3/min) TSP Conc. Action Level Limit Level Observations / Remarks Sampler Filter  
Date Time Date Time   Initial Final Initial Final (hrs) Initial Final Average  (µg/m3)  (µg/m3)  (µg/m3)   ID ID  
06-May-13 08:00 07-May-13 08:00 Fine 2.7858 2.8878 5487.00 5511.00 24.00 1.1043 1.1043 1.1043 64 174.2 260 Operation of tower crane and mucking out Ice Factory 1468  
10-May-13 08:00 11-May-13 08:00 Cloudy 2.7434 2.8294 5511.00 5535.00 24.00 1.0973 1.0973 1.0973 54 174.2 260 Operation of tower crane and mucking out Ice Factory 1475  
16-May-13 08:00 17-May-13 08:00 Cloudy 2.7866 2.8685 5535.00 5559.00 24.00 1.0915 1.0915 1.0915 52 174.2 260 Operation of tower crane and mucking out Ice Factory 1482
23-May-13 08:00 24-May-13 08:00 Cloudy 2.7562 2.7999 5559.00 5583.00 24.00 0.8810 0.8810 0.8810 34 174.2 260 Operation of tower crane and mucking out Ice Factory 1488
28-May-13 08:00 29-May-13 08:00 Sunny 2.7555 2.8104 5583.01 5607.01 24.00 1.0474 1.0474 1.0474 36 174.2 260 Operation of tower crane and mucking out Ice Factory 1496
Min. 34
Max. 64
Average 48