24-hour TSP Monitoring Results                            
                                     
Station CM_AB1, The Hong Kong Ice and Cold Storage                        
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
04-May-10 08:00 05-May-10 08:00 Sunny 2.899 3.0182 956.42 980.42 24.00 1.3316 1.3316 1.3316 62 174 260 Demolition work for
 underground structure
Ice Factory 123
10-May-10 08:00 11-May-10 08:00 Rainy 2.9052 3.0006 980.42 1004.42 24.00 1.2677 1.2677 1.2677 52 174 260 Demolition work for
 underground structure
Ice Factory 130
14-May-10 08:00 15-May-10 08:00 Sunny 2.9255 3.0614 1004.42 1028.42 24.00 1.3783 1.3783 1.3783 68 174 260 Demolition work for
 underground structure
Ice Factory 136
20-May-10 08:00 21-May-10 08:00 Rainy 2.898 2.9641 1028.42 1052.42 24.00 1.3760 1.3760 1.3760 33 174 260 Demolition work for
 underground structure
Ice Factory 144
26-May-10 08:00 27-May-10 08:00 Cloudy 2.822 2.9342 1052.42 1076.42 24.00 1.5798 1.5798 1.5798 49 174 260 Demolition work for
 underground structure
Ice Factory 152
                        Min. 33          
                        Max. 68          
                        Average 53