24-hour TSP Monitoring Results  
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  
01-Mar-13 08:00 02-Mar-13 08:00 Sunny 2.8497 2.9523 5204.65 5228.65 24.00 1.0903 1.0903 1.0903 65 174 260 Operation of tower crane Ice Factory 1387  
07-Mar-13 08:00 08-Mar-13 08:00 Sunny 2.7189 2.9251 5228.65 5252.65 24.00 1.1199 1.1199 1.1199 128 174 260 Operation of tower crane Ice Factory 1401  
13-Mar-13 08:00 14-Mar-13 08:00 Sunny 2.8736 3.0108 5252.65 5276.65 24.00 1.0860 1.0860 1.0860 88 174 260 Operation of tower crane Ice Factory 1407
19-Mar-13 08:00 20-Mar-13 08:00 Sunny 2.8661 2.9531 5276.65 5300.65 24.00 1.0817 1.0817 1.0817 56 174 260 Operation of tower crane and mucking out Ice Factory 1415
25-Mar-13 08:00 26-Mar-13 08:00 Sunny 2.8638 2.9938 5300.64 5324.64 24.00 1.1146 1.1146 1.1146 81 174 260 Operation of tower crane and mucking out Ice Factory 1421
Min. 56
Max. 128
Average 84