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
03-Dec-11 11:16 04-Dec-11 11:16 Sunny 2.6877 2.8547 13596.03 13620.03 24.00 1.20 1.20 1.20 97 185 260 Construction work in progress 1808 3123
09-Dec-11 13:16 10-Dec-11 13:16 Sunny 2.6816 2.8019 13623.03 13647.03 24.00 1.20 1.20 1.20 70 185 260 Construction work in progress 1808 3134
15-Dec-11 13:16 16-Dec-11 13:16 Sunny 2.7824 2.9594 13650.03 13674.03 24.00 1.20 1.20 1.20 102 185 260 Construction work in progress 1808 3236
23-Dec-11 12:42 24-Dec-11 12:42 Sunny 2.6973 2.8744 13677.03 13701.03 24.00 1.20 1.20 1.20 102 185 260 Construction work in progress 1808 3170
                        Min. 70          
                        Max. 102          
                        Average 93          
 
#Monitoring scheduled on 24 and 30 December 2011 has been cancelled and monitoring scheduled on 21 December 2011 has been re-scheduled to 23 December 2011 due to roof renovation works on Chan's Creative School.