24-hour TSP Monitoring Results
Station CM_WF1a, The Wah Ming House
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-Aug-12 HVS failure of power supply 0 0
08-Aug-12 08:00 09-Aug-12 08:00 Sunny 2.7050 2.8308 4154.78 4178.78 24.00 1.0280 1.0280 1.0280 85 185.3 260 Shotcrete Wah Fu 1142
13-Aug-12 08:00 14-Aug-12 08:00 Sunny 2.7147 2.7521 4178.78 4202.78 24.00 1.0576 1.0576 1.0576 25 185.3 260 Shotcrete Wah Fu 1148
17-Aug-12 08:00 18-Aug-12 08:00 Sunny 2.7054 2.7640 4202.78 4226.78 24.00 1.0820 1.0820 1.0820 38 185.3 260 Operation of mobile crane Wah Fu 1149
23-Aug-12 08:00 24-Aug-12 08:00 Sunny 2.7048 2.8436 4226.78 4250.78 24.00 1.0682 1.0682 1.0682 90 185.3 260 Operation of mobile crane Wah Fu 1156
29-Aug-12 08:00 30-Aug-12 08:00 Sunny 2.6775 2.7307 4250.80 4274.80 24.00 1.0680 1.0680 1.0680 35 185.3 260 Operation of mobile crane Wah Fu 1163
                        Min. 25          
                        Max. 90          
                        Average 54