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-11 08:02 02-Mar-11 08:02 Cloudy 2.8117 2.978 2198.83 2222.83 24.00 1.2473 1.2473 1.2473 93 174.2 260 Soil excavation and welding Ice Factory 499
07-Mar-11 08:02 08-Mar-11 08:02 Fine 2.8066 2.9701 2222.83 2246.83 24.00 0.9612 0.9612 0.9612 118 174.2 260 Soil excavation and welding Ice Factory 507
11-Mar-11 08:02 12-Mar-11 08:02 Fine 2.808 2.9809 2246.84 2270.84 24.00 0.9651 0.9651 0.9651 124 174.2 260 Soil excavation and welding Ice Factory 513
17-Mar-11 08:02 18-Mar-11 08:02 Fine 2.7994 2.945 2270.84 2294.84 24.00 0.9672 0.9672 0.9672 105 174.2 260 Soil excavation  Ice Factory 520
23-Mar-11 08:02 24-Mar-11 08:02 Cloudy 2.8056 2.9421 2294.84 2318.84 24.00 0.9674 0.9674 0.9674 98 174.2 260 Soil excavation  Ice Factory 528
29-Mar-11 11:05 30-Mar-11 11:05 Sunny 2.8114 3.018 2318.84 2342.84 24.00 0.9674 0.9674 0.9674 148 174.2 260 Soil excavation  Ice Factory 528
                        Min. 93          
                        Max. 148          
                      Average 114