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
02-Dec-11 08:00 03-Dec-11 08:00 Cloudy 2.7982 2.8936 3397.80 3421.80 24.00 0.9085 0.9085 0.9085 73 174 260 Drilling,loading and grouting Ice Factory 833
19-Dec-11 08:00 20-Dec-11 08:00 Sunny 2.7923 2.9618 3421.80 3445.80 24.00 0.8231 0.8231 0.8231 143 174 260 loading  Ice Factory 861
23-Dec-11 08:00 24-Dec-11 08:00 Fine 2.8026 2.9967 3499.70 3523.70 24.00 0.8255 0.8255 0.8255 163 174 260 loading  Ice Factory 869
29-Dec-11 08:00 30-Dec-11 08:00 Fine 2.7985 2.937 3523.70 3547.70 24.00 0.8213 0.8213 0.8213 117 174 260 loading  Ice Factory 875
                        Min. 73          
                        Max. 163          
                      Average 124          
Remark : The 24-hr TSP monitoring on 8th and 14th December was cancelled due to HVS failure