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  
04-Oct-13 16:35 05-Oct-13 16:35 Fine 2.8624 3.0016 6159.06 6183.06 24.00 0.7490 0.7490 0.7490 129 174.2 260 Tunnel works Ice Factory 1648  
10-Oct-13 12:35 11-Oct-13 12:35 Fine 2.7421 2.8235 6183.07 6207.07 24.00 0.8882 0.8882 0.8882 64 174.2 260 Tunnel works Ice Factory 1651  
16-Oct-13 16:40 17-Oct-13 16:40 Fine 2.7646 2.8757 6207.11 6231.11 24.00 0.7041 0.7041 0.7041 110 174.2 260 Tunnel works Ice Factory 1659
22-Oct-13 16:40 23-Oct-13 16:40 Fine 2.7828 3.0232 6231.15 6255.15 24.00 1.0784 1.0784 1.0784 155 174.2 260 Tunnel works Ice Factory 1670
25-Oct-13 10:30 26-Oct-13 10:30 Fine 2.7614 3.0219 6255.16 6279.16 24.00 1.0803 1.0803 1.0803 167 174.2 260 Tunnel works Ice Factory 1676
31-Oct-13 17:26 01-Nov-13 17:26 Fine 2.7857 2.9202 6279.15 6303.15 24.00 1.0793 1.0793 1.0793 87 174.2 260 Tunnel works Ice Factory 1677
Min. 64
Max. 167
Average 119