24-hour TSP Monitoring Results                            
                                     
Station AM1                                  
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
20-Jan-12 13:06 21-Jan-12 13:06 Sunny 2.6886 2.8211 13704.03 13728.03 24.00 1.23 1.23 1.23 75 185 260 Construction work in progress 1808 3417
26-Jan-12 12:46 27-Jan-12 12:46 Cloudy 2.7203 2.8699 13731.03 13755.03 24.00 1.23 1.23 1.23 84 185 260 Construction work in progress 1808 3421
                        Min. 75          
                        Max. 84          
                        Average 80          
                                     
# Monitoring scheduled on 3, 9 and 14 January 2012 has been cancelled due to roof renovation works on Chan's Creative School.