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
03-Oct-11 08:00 04-Oct-11 08:00 Cloudy 2.7977 2.8672 3231.74 3255.74 24.00 0.8177 0.8177 0.8177 59 178 260 Mud out Arcade 766
07-Oct-11 08:00 08-Oct-11 08:00 Cloudy 2.8043 2.9643 3255.75 3279.75 24.00 0.8153 0.8153 0.8153 136 178 260 No major construction works Arcade 772
13-Oct-11 08:00 14-Oct-11 08:00 Cloudy 2.7816 2.8216 3279.76 3303.76 24.00 0.8147 0.8147 0.8147 34 178 260 Operation of mobile crane Arcade 780
19-Oct-11 08:00 20-Oct-11 08:00 Haze 2.7828 2.887 3303.77 3327.77 24.00 0.8182 0.8182 0.8182 88 178 260 No major construction works Arcade 786
25-Oct-11 08:00 26-Oct-11 08:00 Cloudy 2.7867 2.9283 3327.77 3351.77 24.00 1.1790 1.1790 1.1790 83 178 260 Excavation Arcade 795
31-Oct-11 08:00 01-Nov-11 08:00 Sunny 2.7753 2.8328 3351.77 3375.77 24.00 1.1794 1.1794 1.1794 34 178 260 Excavation and operation of gantry Arcade 800
                        Min.  34          
                        Max.  136          
                        Average  73