24-hour TSP Monitoring Results                                
Station CM_CB1a, The Arcade, Cyberport                              
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  
02-Apr-13 08:00 03-Apr-13 08:00 Sunny 2.7984 2.9042 5521.38 5545.38 24.00 1.0860 1.0860 1.0860 68 178.1 260 Operation of excavator Arcade 1434  
08-Apr-13 08:00 09-Apr-13 08:00 Fine 2.7783 2.9107 5545.38 5569.38 24.00 1.1148 1.1148 1.1148 82 178.1 260 Operation of excavator Arcade 1442  
12-Apr-13 08:00 13-Apr-13 08:00 Cloudy 2.7623 2.8502 5569.37 5593.37 24.00 1.1210 1.1210 1.1210 54 178.1 260 Operation of excavator Arcade 1449  
18-Apr-13 08:00 19-Apr-13 08:00 Cloudy 2.7722 2.8178 5593.39 5617.39 24.00 1.2293 1.2293 1.2293 26 178.1 260 Operation of excavator Arcade 1452  
24-Apr-13 08:00 25-Apr-13 08:00 Cloudy 2.7521 2.8398 5617.37 5641.37 24.00 1.0792 1.0792 1.0792 56 178.1 260 Operation of excavator Arcade 1454  
30-Apr-13 08:00 01-May-13 08:00 Fine 2.7260 2.8146 5641.38 5665.38 24.00 1.1039 1.1039 1.1039 56 178.1 260 Operation of excavator Arcade 1461  
                        Min.  26            
                        Max.  82            
                      Average  57